(1) Sulphur dioxide is the main precursor of acid rain.

(2) Thefirst telephone was the precursor of modern communications networks.

(3) Error is often the precursor of what is correct, but conceit is the prelude to a fall.

(4) Biological research has often been a precursor to medical breakthroughs which benefit patients.

(5) A code could serve as a precursor.

(6) Its overthrow was a necessary precursor of, and possibly stimulus to, the theories Charles Darwin was developing a century later.

(7) The abacus was the precursor of the modern electronic calculator.

(8) How do electrically active axons signal oligodendrocyte precursor cells to divide?

(9) Linoleic acid is a precursor of prostaglandin synthesis from arachidonic acid.

(10) The Office of Strategic Services was the precursor of the CIA.

(11) Sometimes that inner frustration is an important precursor for change.

(12) Human nature often requires conflict as a precursor to truth.

(13) Although oligodendrocytes themselves normally do not divide, the precursor cells that give rise to them do.

(14) So, molecular fragments, formed by irradiating a precursor, would instantly recombine.

(15) He invented a precursor of the high-speed continuous extrusion freezer which could cut novelties out of slabs of vanilla ice cream.

(16) The play is also an excellent precursor for Romantic drama.

(17) We repeated the experiments with a precursor for protein and found that an increase in protein synthesis occurred also.

(18) Basic education remains a necessary precursor to behavior change, especially for the young and those just becoming sexually active.

(19) Nars' silver lipstick, 2001(), is a precursor of a holiday fashion season that promises the Midas touch.

(20) He said that the deal should not be seen as a precursor to a merger.

(21) Seismologists throughout the world have searched for such a precursor for more than 100 years but their attempts have failed.

(22) In the other two mechanisms, buckminsterfullerene is formed by a combination of specific precursor carbon clusters.

(23) In the case of estriol, the placenta utilizes a dehydroepiandrosterone precursor made in the adrenal glands of the fetus.

(24) This assumes that the plasma free amino acid pool is representative of the precursor for pancreatic enzyme synthesis.

(25) Our 1977 conference in Edinburgh had been as fruitless, in terms of its actual agenda, as its precursor at Dilizhan.

(26) This may represent either increased synthesis of the type 1 chain precursor or activation of the Le and Se genes.

(27) This is the first treatment designed to specifically target insulin resistance, which is a precursor to diabetes.

(28) The fall of Risinghill in 1965 was as much a precursor of change as was William Tyndale in 1976.

(29) A range of genetic alterations have recently been described in colorectal cancer and its benign precursor, the large bowel adenoma.

(30) BOne of them is that sound economic management is a precursor, a necessary precondition for, poverty alleviation and growth.

(1) Sulphur dioxide is the main precursor of acid rain.

(2) Error is often the precursor of what is correct, but conceit is the prelude to a fall.

(31) But for Jenks thought was always the precursor to action.

(32) Legal reform was a prerequisite for social change, but not automatically the immediate precursor of it.

(33) Ischemia; Reperfusion; Oligodendrocyte precursor cells; NBQX.

(34) Precursor pyridyl anilines 2 were prepared by Suzuki coupling.

(35) They alter the cleaves amyloid precursor protein.

(36) The precursor or cell of a plasma cell.

(37) They alter the way it cleaves amyloid precursor protein.

(38) Crazing is the invariable precursor of brittle fracture.

(39) Lysine is a precursor of certain alkaloids.

(40) Global fiber market analysis with special emphasis on precursor.

(41) Conclusion:The early phase expression of NG2 and O4 and the number of oligodendrocyte precursor cells in the brain of epileptic rats increase and relate to the observing time-point.

(42) In plant cells the principal precursor of alanine , as well as leucine and valine, is pyruvate.

(43) Coffee is a major source of the phenolic compound chlorogenic acid and the vitamin B3 precursor trigonelline that have been shown to reduce blood glucose concentrations in animal studies.

(44) The seismic precursor abnormal information extraction of tilt solid tide usually based on the distortion, tendency, elevation, fall, break and so on characteristics of solid tide.

(45) Article 29 The state adopts an international check-up system to the import and export of precursor chemicals.

(46) Red bone marrow contains stem cells, progenitor cells precursor cells, and functional blood cells.

(47) The results show that above-named observation data are able to reflect short - impending precursor information before some medium shocks.

(48) The first - ever computer - to - computer link is established on ARPANET, the precursor to the Internet.

(49) Thus, thematically, Thomas Hardy can be regarded as the precursor to modernism.

(50) Some psychomotor seizures, grand mal can be the precursor of similar symptoms.

(51) Democrats face a heavy lift in implementing the agenda proposed in the president's 140-page outline, which is a precursor of the full budget the president will send Congress in April.

(52) Glycerate 3 - phosphate is a precursor of the amino acid serine.

(53) Amphetamines is one kind of synthetic compounds whose precursor structure is amphetamine.

(54) The process includes synthesis, dry and roast of cordierite precursor and so on./precursor.html

(55) Defoe, a precursor of modern novelists, in his Robinson Crusoe and Moll Flanders initiated an important theme of modern novels: the fate of an isolated individual in modern society.

(56) Glyoxylate rather than ascorbate is an efficient precursor for oxalate biosynthesis in rice.

(57) It is indicated that polarizability of new geoelectric parameter as the precursor observation term is good.

(58) 1894 - Thomas Edison demonstrates the kinetoscope, a device for peep-show viewing using photographs that flip in sequence, a precursor to movies.

(59) The solubility of the precursor ceric hydroxide in nitric acid, recycle of crystal mother liquor of ammonium ceric hydroxide, and recovery method for cerium in mother liquor have been investigated.

(60) Protein chemistry studies have shown that the full length of DMP-1, as a precursor, is cleaved into two distinct forms: the C-terminal and N-terminal fragments.

(61) L - Arginine: This amino acid is a precursor to nitric oxide ( NO ).

(62) The immediate transcript of a t RNA gene is known as precursor tRNA.

(63) In this paper, the developing process of the automatic collection software system of the precursor analog data in Henan province and the efficiency analysis of the software are introduced.

(64) ARJ 21 is seen as the precursor to a jumbo jet.

(65) Vanadium-phosphorus-oxide(VPO) catalyst was prepared by adding Ce and Fe complex oxide to the precursor of VPO catalyst during the organic synthesis process.

(66) The group's precursor, the Islamic Courts Union, first came to power because its strict interpretation of Islamic law imposed some order on the country's chaos and corruption.

(67) The exudates of the glandular trichome on the green leaf surface of Nicotiana tabacum L. is the important precursor of the aroma and flavour matter of cured tacco leaf.

(68) The selective precursor may include a thiol termination, the first material may include gold, and the second material may include silicon.

(69) MPE technique shows remarkable advantages such as single precursor, wide choices of source materials, high deposition rate, and no subsequent annealing.

(70) DMAE is an immediate precursor of choline, an important component of skin cell membranes.

(71) The experiment shows that(), the pyrochlore phase can be rid of by the precursor synthesis.

(72) Use stem cell(or cell precursor) can enhance the ability that tissue regenerating, it can also enhance the possibility that the transplanted organs heal over with the surrounding tissues.

(73) The vinyl silazane (VL20) is a kind of liquid ceramic precursor. The VL20 and thiol compounds can photopolymerize quickly under photoinitiator and form polymers.

(74) A precursor of the non-wetting monolayer may include a thiol termination, the attachment region may include gold atoms, and the outer surface of the fluid ejector may include silicon atoms.

(75) Article 2 Pharmaceutical precursor chemicals refer to such substances as lysergic acid, ephedrine, etc. as determined in the Regulation, see Annex 1 of these Measures for the catalogue of varieties.

(76) The experimental results showed that zirconyl oxalate dried gel prepared by this method has a thixotropic characteristic, and is an economic and practical precursor for preparing zirc.

(77) Carbonaceous mesophase is an excellent precursor for carbon materials, especially those with high additional value.

(78) These protein spots were identified as glyceraldehyde-3-phosphate dehydrogenase, T-kininogen 1 precursor and dihydropyrimidinase-like 2 with mass spectrometry.

(79) A recent advancement in storage technologies called de-duplication is a precursor to memory sharing in Linux and other hypervisors.

(80) The effects of orthophosphoric acid concentration in precursor preparation on the catalyst behavior have been studied.

(81) An originator of a line of descent ; a precursor.

(82) Taking 2,4,6-triaminopyrinide as triamine monomer, polyimide foams with cross-linked structures were prepared by foaming poly(ester-amine salt) precursor powders.

(83) Real tennis, an ancient precursor of the modern game, originated in the eleventh century.

(84) Small cell lung cancer is neuroendocrine neoplasm and origins from APUD ( amine precursor uptake decarboxylation ) cell.

(85) With 2-pentylidene cyclopentanone as a precursor,[http:///precursor.html] 2-pentyl cyclopentenone was synthesized in 83.

(86) The zirconium nitrate is more suitable to be used as the precursor than zirconium oxychloride to get stable zirconyl oxalate sol with uniform particles.

(87) Bismuth sulfide nanorods were synthesized in ionic liquid using bismuth nitrate and thiourea as precursor.

(88) It was indicated that the modified coal pitch, which had not only a great deal of mesophase microbead but good thermostability as well, can be qualified to be an excellent carbon precursor.

(89) And thus it can be judged that the quality of meterial-stuffing-fault and contact form of fault-surface may affect the extent and the size of seismic precursor anomalism.

(90) RNA, the single-stranded precursor to DNA, normally expands one nucleic base at a time, growing sequentially like a linked chain.

(91) Papain - catalyzed synthesis of aspartame precursor Z - APM in biphasic solvent system wasinvestigated.

(92) This study provided a precursor of N-propionyl-D-mannosamine for the tumor-associated carbohydrate antigen.

(93) We get the conclusion that geomagnetism and underground water level observations are the fairly good precursor methods.

(94) The FDA notes that adding a progestin to postmenopausal estrogen therapy has been shown to reduce the risk for endometrial hyperplasia, which may be a precursor to endometrial cancer.

(95) Repetitive thinking is often a precursor to depression due to mental fatigue and depletion of melatonin.

(96) For example, a thiol-terminated precursor attaches to gold, but substantially does not attach to silicon.

(97) These results showed that ATP, citrate lyase reaction determines the supply of acetyl-CoA, the precursor for astaxanthin biosynthesis, in cytosol of this yeast.

(98) In the pollen tube of buckwheat, the function of coated vesicles which contain the precursor of pollen tube wall is to form pollen tube besides decomposing lipid bodies and amyloplast .

(99) Hobbes is a precursor of modern positivism and analytical jurisprudence.

(100) After being reevaluated in the second wave of feminist movement in the sixties and seventieth of the last century, Edith Wharton has been established as an outstanding precursor of feminism.

(101) That found in medullary carcinoma of the thyroid appears to have calcitonin or precalcitonin as its precursor, while the amyloid which occurs in the islets of Langerhans may be derived from insulin .

(102) Article 19 An operation entity shall establish a sales account of the precursor chemicals and record the varieties, quantities, date and purchasers in a faithful manner.

(103) Highly ordered mesoporous carbon, denoted as CMK-5, was synthesized by using mesoporous silicates SBA-15 as template and furfuryl alcohol as carbon precursor.

(104) In insects, cholesterol is not only one of the main components of cell membranes, but also a precursor of ecdysone biosynthesis.

(105) Oligodendrocyte Precursor Cell Differentiation Medium is a complete medium designed for the differentiation of oligodendrocyte precursor cells in vitro.

(106) The XRD and FTIR analysis of the carbon materials show that the carbon material prepared by different carbon matrix precursor have different crystallite structure and functional groups.

(107) TMOS and sodium silicate led to iron-containing silicas with ordered two-dimensional hexagonal mesoporous structure, and vesicle mesostructure was obtained using TEOS as silica precursor.

(108) The corrosiveness of commodity fetishism, the breakout of collective life, and the loss of the cultural critic and spiritual precursor, all of these become new crisis of postmodernism.

(109) The smooth surface makes it possible to utilize the printing plate precursor in preparing planography plate with long running period.

(110) By using the image converter camera, the high voltage long gap discharge phenomena were studied, particularly, the processes of corona and precursor discharge varying with concerned parameters.

(111) Diamond-Like Carbon(DLC) films were deposited by a DBD plasma gun at an atmospheric pressure, with CH_4 as a precursor and Ar as dilution gas.

(112) The bore-hole water temperature observation is a main earthquake precursor observation method of geothermal observation network.

(113) With 2-pentylidene cyclopentanone as a precursor, 2-pentyl cyclopentenone was synthesized in 83.6%yield.

(114) In this case, it is necessary that the precursor fields are formed by every earthquake to superpose mutually.

(114) is a online sentence dictionary, on which you can find excellent sentences for a large number of words.

(115) N - acetylcysteine a precursor of glutathione in cells, is a thiol antioxidant.

(116) The electric-hydraulic commutate valves apply module structure: composed of electromagnetic precursor valve and main control valve.

(117) Two metal acetylacetonate complexes were inserted into the interlayer of precursor. The metal atoms were withheld, but acetylacetone was removed in the wash process.

(118) Another agent by the Korean high - power LED lighting industry has always been a precursor.

(119) The ancient Greeks, for example, treated pain with a tea made by boiling willow leaves and bark, a tea modern scientists now know contains salicin, a precursor of acetylsalicylic acid—aspirin.

(120) L - arginine, a precursor to nitric oxide, has been proven to support a healthy cardiovascular system.

(121) Thus, the elements would be interconvertible, so this idea was a precursor to alchemy.

(122) The paper describes that new type inject steam technology can reduce coke precursor, resulting in operation rate of cracking furnace over 96.8 % .

(123) As the precursor of ancient glasses, faience and frit have different chemical compositions and structures from true ancient glasses.

(124) The dissertation sets up the data model of the precursor core of the pressure valve, analyzes its dynamic response performance under hydraulic impact, proves its good response characteristic.

(125) Most dolomite is obviously the result of replacement of precursor calcite but certainly not all.

(126) Impatience is often a precursor to self-punishment, so stop way before the red light hits.

(127) Exogenously supplied aspartate is not an active precursor of asparagine in plant tissurs.

(128) Allene oxide cyclase (AOC) catalyzes the stereospecific cyclization of an unstable allene oxide to (9S, 13S)-12-oxo-(10,15Z)-phytodienoic acid, which is the precursor next to jasmonic acid.

(129) Cyanide can serve as precursor for the amide nitrogen of asparagine.

(130) The sulfidation performance of iron oxide prepared from various precursors was investigated, and the ferric nitrate with better sulfidation performance was chosen as precursor of active component.

(131) The structure and thermal decomposition of carboxylate precursor gel were investigated by infrared spectroscopy and thermogravimetry.

(132) Monodispersed NiO precursor particles were prepared by homogeneous precipitation from nickel nitrate solution in the presence of urea.

(133) And the reaction mechanism is derived from analysis of the vibration frequency of the precursor complex, transition state, successor complex and the isolated state.

(134) Here and elsewhere, "Let the Great World Spin" can feel like a precursor to another novel of colliding cultures: "The Bonfire of the Vanities," Tom Wolfe's classic portrait of New York in the 1980s.

(135) Aim:To explore the early phase change of oligodendrocyte precursor cells in the brain of epileptic rats induced by chloride lithium-pilocarpine.

(136) WO3 precursor solution was prepared by Sol-gel method. The films were printed by dip-coating method.

(137) Recent studies implicated expression of cyclooxygenase 2 (COX-2) as a marker to identify precursor cells for breast cancer.

(138) Some safeguarding and management methods for SQL database of seismologic precursor network of Anhui Province are introduced in detail.

(139) Precursor filaments such as acrylic or cellulose ( mainly rayon ) are carbonized at high temperature.

(140) The first stage in the process leading to such diversity is for the HSCs to become the precursor cells called multipotent progenitor (MPPs) cells.

(141) It was the precursor to the land - contract system that the government later enacted.

(142) It is a precursor of many aromatic compounds and of alkaloids such as curare and morphine.

(143) The crystallinity of wet-spinning PAN precursor fibers gradually reduces during preoxidation process, while it gradually increases during carbonization process.

(144) Objective: To study effect of Laurate alcohol ester phenylacetate as precursor on thallus itself and fermentation unit in penicillin fermentation process.

(145) Ultrafine alumina powders were prepared by pyrolysis of the aluminium precursor powders obtained by precipitation method using aluminium nitrate and ammonium carbonate as raw materials.

(146) In this paper has been analyzed the formation mechanism of the anomalies of deformation, gravity and geomagnetism,[http:///precursor.html] and the difference of field precursor and source precursor as well.

(147) Indolyl glucosinolates can be hydrolyzed by myrosinase into IAN, which is the precursor of IAA. Thus, indolyl glucosinolate may participate in regulating active IAA levels in cruciferous plants.

(148) The effects of orthophosphoric acid concentration in precursor preparation with n pentanol as reductive agent on vanadium catalyst behavior were studied.

(149) According to the present situation and development needs of domestic carbon fiber industry, a new type of production line control system for carbon fiber precursor was developed in this paper.

(150) A hormone produced by the anterior pituitary gland that promotes the utilization of fat by the body and is a precursor to the endorphins.

(151) Conclusions The results suggested that the genesis of nephroblastoma is relevant to the retarded differentiation of fetal kidney. NR is the precursor lesion of nephroblastoma.

(152) The simian virus, known as S.I.V.cpz, is considered the precursor of H.I.V.-1, which crossed the species barrier sometime in the past 100 years.

(153) The results agree with previous studies that have analyzed single photons whose precursor and main wave form have not been separated, which have reported an oscillatory structure.

(154) Furthermore, the multi-functional trimer of N-(11-carboxyundecyl) maleimide was prepared via trimerization of the precursor in the presence of triphenylphosphine and phenol.

(155) Objective To investigate the dynamic expression of pepsinogen C (PGC) and its value in detection of precursor and gastric cancer.

(156) In fact, the new yeast strain simultaneously converts cellobiose (a precursor of glucose) and xylose to ethanol just as quickly as it can ferment either sugar alone.

(157) Violent growing pains are just a precursor to Earths internal struggle to define itself.

(158) This a precursor to what we call fluid group dynamics.

(159) MoO 3 ultrafine powders were prepared by using ( NH 4 ) 6 Mo 7 O 24·4 H 2 O and HAc as precursor.

(160) The humic acid was dosed as the precursor of trihalomethanes(THM) and second order kinetics was identified for the THM formation reaction.

(161) An immature cell of the bone marrow that is the precursor of a myelocyte .

(162) The present invention relates to the oxidation process of thioether precursor compound for digestion tract ulcer treating medicine containing sulfoxide base.

(163) Precursor of Hangu Ecotype High-tech Industrial Park is Tianjin Chadian Industrial Park.

(164) Objective To investigate some conditions which could in vitro induce neural precursor cells (NPCs) from mesencephalon of rat embryo to differentiate into dopaminergic neurons with a higher percentage.

(165) The measurement indicates that the optimized performance can be achieved by three - element composite columbite precursor methods.

(166) It is a precursor in the synthesis of various amino acids, such as alanine, and of malic acid and oxaloacetic acid, both intermediates in the KREBS CYCLE.

(167) Geller et al. 122 proposed that the question of precursor test can be addressed using a Bayesian approach where each failed attempt at prediction lowers the apriori probability for the next attempt.

(168) The phenylacetyl ethanolamine, a low toxic precursor of benzylpenicillin, was synthesized by using ethyl phenylacetate and colamine as raw materials.

(169) N acetylcysteine ( NAC ), a precursor of glutathione, is a thiol antioxidant.

(170) The precursor made by extrusion can foam at any furnace temperature under the experimental condition.

(171) Comparing the ratio of testosterone to epitestosterone can then indicate whether testosterone or a precursor has been taken.

(172) It was considered that the mechanical properties of PAN precursor was better when the orientation degree in crystalline region and overall orientation factor were about 0. 9 and 0.8, respectively.

(173) BCPL was an imperative language developed by Martin Richards at the University of Cambridge and was a precursor to the B language that evolved into the C language we use today.

(174) The closed cell polyimide foams were fabricated by foaming the precursor balloons, and the foams' acoustic absorption properties were tested.

(175) The invention discloses a bimetallic catalyst precursor for catalyzing olefin to polymerize or copolymerize and belongs to the field of olefin coordination polymerization.

(176) Supported phosphorized molybdenum catalyst precursor was prepared by the sol-gel method, and reduced under atmospheric pressure by hydrogen nitrogen mixture for the first time.

(177) A fundamental question in stem cell research is whether cultured multipotent adult stem cells represent endogenous multipotent precursor cells.

(178) The effect of the size of alumionphosphate precursor, ammonia flow and nitridation temperature on preparation of AlPON were investigated.

(179) Effects of addition of precursor amino acids, glutamic acid, cysteine and glycin at varying concentrations on Saccharomyces cerevisiae HSJB1 biomass and GSH yield were also investigated.

(180) Aluminium hydroxide, the precursor of alumina, was synthesized by precipitation reaction of the aluminium nitrate and sal volatile.

(181) The class II terpene synthase producing syn-copalyl diphosphate from the universal diterpenoid precursor geranylgeranyl diphosphate was also mapped to this same region.

(182) Alhazen also invented the camera obscura, a precursor to the modern camera.

(183) Diosgenin is the hydrolyzed material of dioscin and the precursor substance of several important endogenous steroids.

(184) WO3 electrochromic films were prepared on ITO glass substrates by the sol-gel method. The precursor sodium tungstate was converted into tungstenic acid by cation-exchange.

(185) The precursor of dinosteranes were dinoflagellate algae developed in the saline and brackish water environments.

(186) The growth velocity of the crystal depends on the undercooling, temperature gradient and original particles in the precursor.

(187) Suspension is a blow to Syria's claim to be the beating heart of pan-Arabism. And isolation could be a precursor to recognising the Syrian National Council, the umbrella group of the opposition.

(188) Higher education service has several features such as goal particularity, production and expense synchrony, quasi-public, precursor and lag behind, systematic characteristic and mentality.

(189) The campaign began in disappointing fashion with a 3-2 home defeat by Watford but that early set-back proved the precursor to promotion.

(190) Allingham joined the Royal Naval Air Service — precursor to the Royal Air Force — in 1915, and a year later took part in the Battle of Jutland, the war's largest naval battle.

(191) The precursor protein coding by Juema pig′s growth hormone gene contained 216 amino acids, and maturation protein was a secretory protein consisting of 190 amino acid residue.

(192) Androgens in women either derive from direct ovarian production or from peripheral conversion of the adrenal sex steroid precursor, dehydroepiandrosterone, towards active androgens.

(193) It is believed that the present technological index of precursor prediction fibre number and conditioned weight fib re number has some defects and needs revising.

(194) To show his respect for his honored guests. Montezuma served them "chocolate, " a bitter drink that was the precursor of modern chocolate.

(195) After studying coke reaction mechanism and vapor - liquid - water three - phase equilibrium, we think that the coke is produced by coke precursor in convection section of cracking furnace.

(196) Trilobal polycarbosilane ( PCS ) fibers were prepared by melt spinning PCS precursor through Y shaped spinneret.

(196) try its best to collect and create good sentences.

(197) The functions of the mitochondria and yolk precursor granules during vitellogenesis process are discussed in this paper.

(198) The precursor of the modern car was a horseless carriage with a petrol engine.

(199) Hyman Minsky and James Tobin credited Fisher's Debt-Deflation Theory as a crucial precursor of their theories of macroeconomic financial instability.