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单词 Methylene
例句
(1) Where these materials have to be cleaned methylene chloride is the only chemical option once items are soiled.
(2) This removal is very effective because methylene chloride and other caffeine solvents evaporate at temperatures between 100 and 120 degrees.
(3) One compound based on methylene chloride also incorporates ammonium hydroxide to give it a characteristic smell.
(4) Objective To observe the photochemical effect of methylene blue (MB) on the inactivation of E. coli in blood and on biological functions of blood cells.
(5) Process of photocatalytic decomposition of methylene blue on cadmium sulphide was studied using cadmium sulphide nanoparticles as photocatalyst and tungsten as simulated visible light.
(6) Methods: Samples were extracted by methylene chloride , dehydrated by anhydrous sodium sulfate and determinated by GC - MSD.
(7) Two fresh gastrocnemius muscle specimens were warmed and flushed with warm 0.9%NaCl then injecting 0.1%methylene blue through the medial sural artery.
(8) An Efficient NH2SO3H-catalyzed direct alkylation of active methylene compounds with benzylic and allylic alcohols has been reported.
(9) The relative removal rate of methyl and methylene group showed the shape of M with the increase of temperature.
(10) Diethylene Triamine Penta Methylene Phosphonic Acid (DTPMP) is applied to hydration resistance treatment of anodic oxide films[sentence dictionary], which treating method is same as that of ATMP.
(11) Do not contact methylene chloride, acet ( like nail oil ), strong acid detergent.
(12) Objective:To evaluate the value of chromoscopy by methylene blue staining in diagnosis of precancerous lesions and identification the benign or malignant gastric ulcer.
(13) The rods are seen here with a methylene blue stain.
(14) This solution is then treated with either methylene chloride or ethyl acetate, which bonds with the caffeine.
(15) A fluorination catalyst for methylene fluoride production by gaseous phase fluorination, and its practical process areintrouduced.
(16) Keyes method was used to evaluate the effect of methylene blue on Spraague - Dawley mouse dental caries.
(17) The reactor and transfer line are rinsed with several small portions of methylene chloride.
(18) The hydroxyl value of epoxy-containing polyester was determined by analyzing acetification principle and using acetyl chloride as acetifier and methylene chloride as solvent.
(19) It shows that theoretically predicted chemical shifts of hydrogen atoms in methylene in seven-membered ring are in good agreement with experimental values.
(20) This paper reports the function of anhydrous potassium fluoride and acetonitrile in C-alkylation of active methylene group of acetoacetic ester.
(21) The main applications of DBU and DBN in organic synthesis, including elimination reaction, migration of double bond, condensation(), cyclizationand active methylene reaction etc. were briefly reviewed.
(22) We use acute poisoning method to determine how the methylene blue affecting the Limnodilus hoffineisteri.
(23) The scavenging agent for scavenging the chewing gum residual consists of carbon disulfide, methylene dichloride, ethyl acetate, span-80, cyclohexanone, sodium dodecyl benzene sulfonate and water.
(24) Cyclic voltammetry was used to characterize the ssDNA immobilization and hybridization with its complementary DNA sequences by using methylene blue as indicator.
(25) Nowaday developments show that it can be drop in replacement of methylene chloride.
(26) The preparation and electrochemical characteristics of poly ( Eastman AQ 55 ) film incorporate with methylene blue was described.
(27) The sensitization of raw material and intermediate of pyrazosulfuron-ethyl was studied using guinea pig. The result indicated that ethoxy methylene cyanacetic ester is sensitive agent.
(28) The new method in the determination of negative ion surface-active agent is introduced, comparing with methylene blue method, it have merits of simple operation step and little dosage.
(29) The DET method qualitatively distinguishes the two hydrogen atoms in methylene , and the results for carbon are better than those determined by ah initio method.
(30) A new spectrophotometric method for the determination of trace nitrite was studied. The method is based on the diazo- reaction of methylene violet with nitrite in hydrochloric acid medium.
(31) A large number of structures of benzene methyl and methylene groups but rare aralkyl ether linkage existed in the waste liquor.
(32) The adsorption of cationic pink FG and methylene blue onto purified palygorskite is an endothermic processes, and direct acid proof scarlet 4BS is exothermic in nature.
(33) Through the peculiarity contact-coat, composes the ethoxy methylene propane dioic acid dio-ethylest which improves the quality and yield of the product.
(34) The Methylene Blue, Congo Red and Dimethoate was use to photodegradation, and then some measures that can be referred were raised.
(35) Myelin sheath of sciatic nerve and Nissl bodies in neurons were demonstrated with staining of solechrome cyanin and buffered methylene blue, respectively.
(36) The most common determining methods of corrosive gas - hydrogen sulfide are the methylene blue spectrophotometry and the iodimetry, however, these two methods are both affected by many factors.
(37) Do you bring the Retort Kit, Methylene Blue Kit to the platform?
(38) The supported cuprous oxide to visible light photocatalytic degradation for the methylene blue are reported.
(39) Use of natural gas for heat chlorination methylene chloride for the production of photographic materials for industrial solvent.
(40) Six kinds of phenyl hydrazones were synthesized by the reaction of ice bath using aromatic diazonium salt and active methylene compounds.
(41) Objective To investigate the methylene blue staining exploration ischial rectal abscess in the mouth of practicality and safety.
(42) The carbide reacts with hydrogen on the surface to give a methylene.
(43) As the elegant methylene blue images demonstrate in this article,[http:///methylene.html] metaplastic and dysplastic mucosa can be identified with magnification endoscopy.
(44) Objective: To evaluate the correlation between the methylene tetrahydrofolate reductase (MTHFR) mononucleotide polymorphism and risk of onset for carcinoma of the esophagus and gastric cardia.
(45) Tubal patent test with Methylene Blue by compression can help to diagnose salpingitis, endometriosis in tubes and adenomyoma.
(46) Objective To assess the value of methylene blue and parker ink staining in the detection of Malassezia.
(47) Main methanol, ethanol, ethylene glycol, acetone, ethylene dichloride, methylene chloride, diethylene glycol.
(48) The results showed recovery of spiked sample and RSD from method of ultrasonic extraction with methylene dichloride met timeliness and accuracy requirements of SVOCs monitoring in soil.
(49) The adsorption equilibrium and adsorption kinetic and thermodynamics of methylene blue on the adsorbent were studied.
(50) Use: Methylene Blue at 5 drops per gallon for 5 days.
(51) Objective To observe sentinel lymph node mapping in breast carcinoma using subareolar injection of methylene.
(52) The determination was carried out under acidic condition, using CHCl_3 as a solvent, Dioctyl Sodium Sulfosuccinate as a volumetric solution, and Dimethyl Yellow - Methylene Blue as mixed indicator.
(53) Objective We did intraoperative venography by using methylene blue during varicocelectomy in order to prevent collateral veins ligation omitted and decrease recurrence rate.
(54) One of the hydrogen atoms of the active methylene group is replaced with a cyclooxy group.
(55) The magnetic polymer microsphere was prepared by using solvent evaporation with polystyrene and methylene dichloride as the oil phase, and sodium dodecyl benzene sulfonate (SDBS) as the surfactant.
(56) Conclusion: 24% Hydrogen peroxide and methylene chloride enhanced the bond strength between a glass fiber post and root dentin.
(57) Objective: Using the headspace Gas- chromatography method to measure the assay of residual solvent (ethanol, methylene chloride) meanwhile in Ampicillin Sodium and Sulbactam Sodium.
(58) The methylene cyanine adsorption value and the iodine value of the product were tested.
(59) Objective To observe the influence of virus inactivation by methylene blue illumination on erythrocyte membrane.
(60) The effect of contact time on methylene blue ( MB ) adsorption onto wheat husk was studied.
(61) Methylene blue injection into breast duct in operation could help surgeons to explore and resect lesions.
(62) Methylene chloride was used as extractant in the extraction of condensed liquid and 3% sodium carbonate solution was used in acid separation.
(63) Again, chloroform, methylene chloride, and to a lesser degree, DMF, are suitable solvents.
(64) The invention discloses side difluoro methylene ether bridged bond paired-end alkyl terphenyl, a preparation method and application thereof.
(65) Approximately 473 L of methylene chloride was added to the reaction vessel to dilute the suspension.
(66) Beans are steamed, so that dissolved caffeine rises to the surface, where it is washed off using an organic solvent called methylene chloride.
(67) Under room temperature conditions, spinach was extracted with methanol-HCl (4:1 by vol), followed by a second extraction in methylene dichloride.
(68) A white or almost white power, slightly hygroscopic freely soluble in water, very soluble in alcohol, practically in soluble in ether and in methylene chloride .
(69) MEK, methylbenzene methylene halides and other organic solvents, and so is its main components.
(70) Do partial water changes. Add 2 - 5 drops per gallon of Methylene Blue.
(71) The adsorption behavior of amino methylene phosphonic acid resin ( APAR ) for mercury ( II ) was studied.
(72) Robert Koch dries films of bacteria, stains them with methylene blue and then photographs them. He uses cover slips to prepare permanent visual records.
(73) Using methylene blue as the degradation object, the effects of sulfurization temperature, photocatalyst dosage and preparation method on the degradation rate of methylene blue were studied.
(74) Carbasugars, carbocyclic analogues of true sugars,[] are compounds in which the ring-oxygen of furanoid or pyranoid sugars is replaced by methylene groupe.
(75) The dynamic analysis of the catalysis of Methylene blue shows that the degradation of dye under high concentrated solution is first-order reaction.
(76) Fe-Mn nodules collected from the East Pacific Ocean were used for decolorization of a cationic dye methylene blue(MB) in a batch system.
(77) L-NAME, methylene blue and indomethacin could reduce the vasodilative effect of TFCM significantly.
(78) Conclusion The methylene blue staining in the mouth for exploration ischial rectal fossa abscess coincide with the use of probes end detection methods.
(79) Objective: We detected the content of methylene chloride and diethylene oxide in Ceftizoxime Sodium using head-space GC method.
(80) Bengoyl leuco methylene blue is prepared from methylene blue by reduction and acylation.
(81) Kodak company describes open chain reactive methylene two - equivalent yellow - forming conplers.
(82) The experimental results suggest that methylene chloride ist a good substitute which can instead of trichlorofluoromethane in the production of different kind of density flexible polyurethane foam.
(83) This article is a study of methylene chloride as a substitute for trichlorofluoromethane in producing flexible polyurethane foam.
(84) The adsorption capability of mesoporous silicon for methylene blue was also preferable.
(85) Caffeine is removed by directly soaking the materials in the methylene chloride .
(86) The result indicated that ethoxy methylene cyanacetic ester is sensitive agent.
(87) Methods 20 patients with breast carcinoma were enrolled in this study to map the sentinel lymph node using subareolar injection of methylene.
(88) The separation effect was tested by methylene blue acidic indicator and IR spectroscopy.
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