(1) Much of the progress achieved in studies of Quaternary environmental change has involved increasing amounts of interdisciplinary cooperation.

(2) A field guide to the Quaternary deposits has been completed; it includes descriptions of important interglacial deposits found during the survey.

(3) Cationics are usually quaternary ammomium salts.

(4) Quaternary System are not developed in eastern Liaonmg.

(5) Quaternary upper Pleistocene Series residual soil and slope washes.

(6) Woolly mammoths died out during the late Quaternary period.

(7) The Quaternary sediments are largely undeformed.

(8) Adsorption equilibrium on quaternary ammonium resin in uranyl sulphate solution, which is similar to composition used in uranium hydrometallurgy, was studied by chemical equivalent method.

(9) The natural thermoluminescence in Quaternary sediment has stored accumulated irradiated dose since the sediment deposited.

(10) Eleven solid quaternary complexes of rare earth perchlorate with diphenyl sulfoxide (L) and benzoic acid (L') have been synthesized and characterized.

(11) Plant area was distributed over Quaternary system alluvium and deposit of oxbow lake facies(), base rock is Tertiary red rock.

(12) The present invention relates to a quaternary chrome series catalyst for ethylene trimerization to prepare 1-hexane.

(13) Quaternary ammonium salt cationic surfactant containing glucose group was synthesized with ethylene glycol glycoside, N, N-dimethyldodecan-1-amine and epoxy chloropropane.

(14) The Quaternary deposits of the Qaidam Basin are abundant in Ostracoda whose combination can be used to study the evolution of the climate because of their sensitivity to the climatic changes.

(15) Dayangshu Basin was in extensional setting in the Quaternary period, and a series of small extensional half-grabens were formed.

(16) NHPI combined with assistant catalyst such as azodiisobutyronitrile, quaternary ammonium bromide, anthraquinone, alcohol etc. can also catalyze aerobic oxidations.

(17) Result showed that dialkyl quaternary ammonium salts inhibited the growth of Aeromonas hydrophila and Flexibacter colnmnaris, and the short alkyl group is more effective than the long one.

(18) Warped and folded Paleozoic strata and reddish Tertiary volcanic rocks are capped with dark Quaternary basalt flows.

(19) The group will investigate coastal processes and assess these in the context of late Quaternary and Holocene conditions.

(20) In Changxing Basin, there are abundant ground water resources, such as pore water of Quaternary system, fracture water of sandstone, fracture water and cavern water of carbonatite.

(21) This paper first reports the synthesis and applications in hydrolysis and etherification of a new polymer supported quaternary ammonium resin, which is an effective triphase catalyst.

(22) X-ray powder diffraction(XRD) has been used to study the orientation of alkyl quaternary ammonium ion in the interlayer of products.

(23) An early form called Panel Call Indicator Pulsing used quaternary pulses to set up calls between a panel switch and a manual switchboard.

(24) NHPI combined with assistant catalyst such as : azodiisobutyronitrile, quaternary ammonium bromide , anthraquinone, alcohol et. al can also catalyze aerobic oxidations.

(25) Based on solid phosphoric acid catalyst (SPAC) T 49 composed of Si P B ternary system a new SPAC T 99 composed of Si P B D quaternary system was developed.

(26) Lime stones was more suitable for continuous cropping of flue - cured tobacco than clays formed quaternary period.

(27) Industries based on brainwork or knowledge are called the quaternary industry. And thus the concept of the cultural industry emerged and gradually matured.

(28) Ground water in Sanshandao mine field consists of sea water, Quaternary water, fissure water in base rock, underground hot water and fresh water.

(29) Furthermore, the expression of stationary bit error rate of system output corresponding to equiprobability quaternary pulse amplitude modulation (PAM) input signals was deduced.

(30) The discovery of Renzidong fauna is of great help for the study of the environmental background to the hominid evolution, and the evolution of zoogeography and paleoclimate of China in the Quaternary.

(31) The sterilization efficiency of two quaternary phosphonium salts, BHP 1 and BHP 2, was evaluated by Maximum Probable Number.

(32) This discovery provides important data and evidence for establishing the climatic stratigraphic sequence and division and correlation of the Quaternary glacial period on the Qinghai-Tibet plateau.

(33) The bottom gravel of Quaternary system in Huainan and Huaibei mine districts of Anhui Province has been studied for the upper limit of coal mining.

(34) The Luannigou ore field riches with alluvial gold of Quaternary Period and is the favorable target for rock gold.

(35) The cationic quaternary ammonium salt bituminous emulsifier was synthesized with the method of a certain sort of hydroxybenzene, epichlorohydrin, and triethylamine mixed together.

(36) The paper gives an introduction of Li Siguang's academic thought and achievements in three aspects, on stratigraphic paleontology, Quaternary glaciology and geomechanics.

(37) The new polymer quaternary ammonium salt was synthesized from epoxy phenolic resin via ring-opening reaction with aqueous solution of triethylamine hydrochloride.

(38) What happened in the environmental evolution in the eastern Tibet Plateau shows that climate change, which reflected by quaternary moraine series, has long cycle and great breadth.

(39) The principle of the boundary theory of phase diagrams is introduced and an experimental method of determining the isopleth section of phase diagrams of quaternary alloy system is described.

(40) The quaternary ammonium salt polymer PDA was applied on dye fixation process for pigskin suede leather on the basis of dye fixation principle of quaternary ammonium salts.

(41) The primary cause is the alternation of cold-arid climate and warm-moist climate in Quaternary period and the induced change of soil-formation processes.

(42) The equilibrium phase diagram and the density-composition diagram of the quaternary system were plotted using experimental data.

(43) This quaternary system is a simple eutectic type, and no double salt or solid solution was found.

(44) Reportedly, the site is mainly underlain by alluvial deposits of Quaternary Age comprising sand and clay.

(45) In this work, anolyte of nickel was examined in order to check the effect of separation of cobalt from nickel using quaternary amine impreg- nated resins.

(46) The Mesozoic volcanic rock is developed and in sea section, the sediment of Quaternary period is huge-thick, with complicated types and gravel commonly.

(47) Finally, it is proved that under broadband noise the PSR system could transmit quaternary baseband PAM signal effectively.

(48) Quaternary loose and thicker deposits are widespread in Beihaitown, forming a fan-shaped peneplain in geomorphology.

(49) The upper structure layer is composed of the Cretaceous to the Quaternary, which shows a large slope dipping northwestward.

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(50) Industries based on brainwork or knowledge are called the quaternary industry.

(51) Based on TTL technique, the designed quaternary Schmitt circuit is simulated with PSPICE and is proved to have the ideal Schmitt function.

(52) The paper reported these fossil strata for research of quaternary system at the region.

(53) The application of smectite which is modified by quaternary ammonium compound cation surfactant, hexadecyltrimethylammonium (HDTMA) to industrial wastewater treatment has been studied.

(54) In the early Quaternary, medium, Populus gradually evolved into the most important building in desert riparian forest species.

(55) Design Syntax-directed translation of the expression generated quaternary type of algorithm, write code and debug on a machine to run through.

(56) In this paper, by drawing up the isopach maps of series in the Quaternary system, analysed the evalution of the tectogenesis of each epoch in the Quaternary period of the Dongting Basin.

(57) The groundwater in Qian an County includes the pore phreatic water, the pore confined water of the Quaternary period and up Tertiary cranny pore confined water.

(58) The difference of ammonia, amido, amino group and quaternary ammonium salt, some common wrong expressions on them, and the valence state of phosphorus in some of its oxyacid were pointed out.

(59) The course change of Xijiang River and the formation of Lingyang Gorge are related to the neo-tectonic movements since Quaternary Period.

(60) The measurement of natural thermoluminescence of Quaternary sediment is a new method for oil and gas prospecting.

(61) The pullulan aminoalkyl ether according to claim 1, wherein the pullulan aminoalkyl ether is in a form of a quaternary alkylamine salts.

(62) Transparent hair shampoo was prepared using poly siloxane quaternary ammonium salt microemulsion as a conditioner.

(63) Na-montmorillonite(Na-MMT) was modified with different quaternary phosphonium salts using ion-exchange method, and the structures and property of modified montmorillonite were studied.

(64) The Quaternary thick eluvium and slide rock are dispersed over the Yangshan Au ore belt.

(65) Quaternary ammonium salt of chitosan was synthesized starting from chitosan, triethylamine and ethyl chloroacetate by ester exchange reaction.

(66) Under the same experiment conditions, the algae removal rate of Phosphonium salt modified montmorillonite is better than quaternary modified montmorillonite.

(67) Conclusion: The compound disinfectant of quaternary ammonium salt has good germicidal efficacy,() good stability and low corrosiveness.

(68) H. Rotary used in conjunction with slurry pump can be used for the drilling of rock, slurry wall for loosen stratum of the Quaternary period and deep hole drilling in.

(69) Oil displacement mechanism of quaternary cationics has been studied in several ways: surface and interface tension, wettability, surface electrical behavior.

(70) Since the Quaternary Period covers the overall human cultural history, the applications of Quaternary sciences to environmental archaeology become the main study aspect.

(71) Kinds of alluvial and pluvial placers were formed in Quaternary as No. 13 series.

(72) The electronic structure of a quaternary alloy has been investigated using EHT band calculation method.

(73) Pyrene fluorescence probe was used to investigate the structure of the adsorbed layer of cationic surfactants primary amines and quaternary amines at the diaspore-water interface.

(74) IR absorption bans of three new kinds of tail - porphyrin quaternary ammonium salts were determined and analyzed.

(75) Structute of nitrogen heterocyclic ring quaternary ammonium salt cationic surfactants was identi fied by mass spectrography, nuclear magnetic resonance spectra, infrared spectra and etc.

(76) Organic anti-bacterial agent more varieties, such as organic compounds, metal halide, effects of thiazole, quaternary ammonium salts and diphenyl ethers, organic nitrogen compounds, and so on.

(77) Multi-reactive quaternary ammonium compound agent containing epoxy group and chlorotriazinyl for cotton was used to modify bamboo fiber fabrics.

(78) The mud in a mud drilling and water pumping well drilled through the Quaternary System can be only removed partly as the well is washed intensively.

(79) Quaternary system has been divided into four "series", including ten "f...

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(80) Four new types of organic siloxane surfactants with quaternary ammonium group have been obtained.

(81) Objective To study general toxicity, hereditary toxicity and mutagenicity of quaternary ammonium compound detergent.

(82) A novel bi - pyridine quaternary ammonium salt cationic surfactants was prepared by acrylic modified rosin.

(83) Sichuan Province is famed as the cradle for many old, endemic and rare plants due to the little impact of glaciers during the Quaternary Period.

(84) The quaternary system piezoelectric ceramic with good properties and suitable for stationary wave ultrasonic motor is prepared.

(85) Since late Quaternary, the predominant crust in Beishan Region is shrinking in north-south direction and stretching in west-east direction.

(86) The quaternary ammonium salts of liensinine differ from d-tubocurarine by one less ether linkage in chemical structure.

(87) We also discover the Lower Quaternary limit locates in M/G boundary or the interface between the grey-green clay-silty sand layer and brown-red silty clay sand layer.

(88) The delta deposit characterizing short basin growth time (it's mainly concentrated onto Quaternary), short lithogenous time and low lithogenous level forms an excellent accumulation condition here.

(89) Formula of iron - nickel - phosphorus - boron quaternary alloy electroless plating was optimized so as to obtain amorphous deposit.

(90) Therefore, the area is typical to study the environmental change of China , even of the globe since Quaternary Period, especially since the Holocene Epoch.

(91) The division of Quaternary stratigraphic sequence in Qingdao City was determined by using different methods suitable for Quaternary system study.

(92) The result of AATCC100 experiment shows that the anti-biosis rate of polysiloxane quaternary ammonium salt to colibacillus is 100 % when its concentration exceeds (0.5 %)(mass).

(93) If seismic excitation points and receiving points can avoid the Quaternary strata, especially near-surface strata, the collection ratio will be improved greatly.

(94) A proposal for investigation without delay the problem of quaternary oil recovery for further enhanced oil recovery succeeding a tertiary recovery has been advanced in this paper.

(95) The chemical properties of bromomethyl quaternary ammonium salts are changed drastically when compared with the methyl group counterpart.

(96) Stability of a shaft in thick and deep surface soil is studied when a bottom aquifer of Quaternary System is feeding water to Haizi Mine in Huaibei.

(97) To conform with the Japanese JIS x 4061 standard, you need to set this attribute to on and the strength attribute to the quaternary level.

(98) New results of field investigations show that the eastern Liupanshan piedmond fault is an active reverse fault zone since late Quaternary.

(99) The characteristic and the formation process of moraine hill in the Dalian area along the coast are analyzed from the phenomenon of the Quaternary incompact layer covering the Dalian red clay.

(100) The dextral shear movement of Tancheng-Lujing fault zone in Tertiary to Quaternary is the general tectonic setting of Shaojia subsag.

(101) The structure of many proteins is mostly described in three levels, but a quaternary structural level must be considered if the protein consists of more than one polypeptide chain.

(102) Using trimethylamine, epoxy chloropropane and poly (vinyl alcohol) as materials, the quaternary cationic poly (vinyl alcohol) was synthesized.

(103) The Santee Coastal Reserve core, a 545 ft deep borehole in northeastern Charleston County, South Carolina, recovered sediments of Late Cretaceous, Paleocene, Eocene, and Quaternary age.

(104) After this, it is modified by using trimethylamine to make it a quaternary ammonium salt, so as it get water soluble modified urea-formaldehyde resin quaternary ammonium salt flocculant MUFRQA.

(105) During Quaternary period, the gulch-gold mines are eventually formed with the action o...

(106) All these results have shown that an upper mantle diapir had continued to occur during the Quaternary in this area.

(107) A new water developable, photosensitive phenolic resin containing quaternary ammonium hydroxide groups and acrylate groups(AQHPR) was synthesized.

(108) The new kind of quaternary co-polymerized thermosol was synthesized by the ternary co-polymerized polyamide thermosol with the long carbon nylon 1212, with has low water absorbency.

(109) Cationic starch of quaternary ammonium type with high DS, polyamines and polyamines grafted with UV-absorber BP-4 were applied as cationic agents of cotton in salt-free dyeing of reactive dyes.

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(110) Praseodymium and neodymium could be deposited at lithium or quaternary ammonium amalgam electrode, but not at sodium amalgam electrode.

(111) Adsorption equilibrium on quaternary ammonium resin in uranyl sulphate solution, which is similar to composition used in uranium hydrometal1urgy, was studied by chemical equivalent method.

(112) It could be concluded that the reaction current efficiency was related with the surface adsorption of quaternary ammonium salt by measuring the differential capacitance at the solution in...

(113) The cationic surfactants based on bisamide and imidazoline quaternary ammonium salts were synthesized and the content of cations was determined.

(114) The classification, naming and field description are introduced of the Tertiary and Quaternary rocks from monitoring shaft hole.

(115) In the south of the Basin , the quaternary sediment is major in lacustrine facies, and the north is major in alluvial-diluvial.

(116) The external cause was due to the influence of the Quaternary Period glacier.

(117) The content of dissoluble organic matter in quaternary source rock of biogenic gas is about 2.

(118) An antistatic agent of polyacrylamide quaternary ammonium compound was designed and synthesized.

(119) The reducing in water production of tube well is a familiar problem, especially in the loose bed of the quaternary system.

(120) There were mainly neritic shelf and bathyal filling sedimentation in the Pliocene and Quaternary.

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