甲氧甲基化 的英文怎麼說
中文拼音 [jiǎyǎngjiǎjīhuà]
甲氧甲基化
英文
methoxymethylation-
Using refined cotton, chloroacetic acid, sodium hydroxide and hydrogen peroxide as main feedstock, sodium carboxymethyl cellulose was made by the process of basification, etherification, abstersion and drying
摘要以精製棉、氯乙酸、氫氧化鈉和過氧化氫為原料，經過堿化、醚化、洗滌、乾燥，制得羧甲基纖維素鈉。Meanwhile adopting two - step process of viscosity - decreasing method, i. e. adding hydrogen peroxide during the process of basification and abstersion to decrease the viscosity of alkaline cellulose, as a result the sodium carboxymethyl cellulose with ultra low viscosity was obtained
同時，採用二步降粘法，在堿化及洗滌過程中加入過氧化氫，以降低纖維素鈉的粘度，制得超低粘度的梭甲基纖維素鈉。An one - pot process including direct condensation of ethyl isodehydracetate and hydrocitronellal, followed by decarboxylation, isomerization and isomer resolution, was developed for practical preparation of zr juvenile hormone analogue series with high content of effective component
以異脫氫乙酸乙酯與甲氧基香茅醛直接縮合為起點，將縮合、脫羧、異構化、 （順、反）異構體拆分等採用多步反應連續一鍋法的操作方法，成功地得到高有效含量的zr型保幼激素類似物。2 benjia 4 - methyl ketone, 4 - chlorine two benjia methadone, acrylic acid resins, hydrochloric cola organism, 1023 - 1063 nitrogen zhuo methadone, phenyl acetone, reactive copper oxide, chlorobenzene oxygen ethanoic acid, ethyl ammonium chloride de base 3, 4 butadiene styrene brominated ammonium, four butadiene styrene acid hydrogen amines, amino benyi r123 for methadone, a pond amine manufacturing and marketing
甲基二苯甲酮、 4氯二苯甲酮、丙烯酸樹脂、鹽酸可樂啶、月桂氮卓酮、苯基丙酮、活性氧化銅、對氯苯氧乙酸、芐基三乙基氯化銨、四丁基溴化銨、四丁基硫酸氫胺、二氯對氨基苯乙酮、因潢胺製造和銷售。Talc, zinc stearate, phenyl trimethicone, iron oxide brown, ferric ammonium ferrocyanide, chrome oxide green, ultramarine blue, hydrated chrome oxide green
滑石，硬脂酸鋅，苯基三甲基聚矽氧烷，氧化鐵棕，氧化鐵氨，氧化鉻綠，人工合成群青藍，水氧化鉻綠。( 2 ) an aminobenthiazole schiff base has been synthesized as a new fluorescence carrier by reacting 2 - aminobenthiazole with p - allyoxybenzoldohyde. the new kind of schiff base can be utilized for preparing an optical sensor, used for determining furazolidone based on the fluorescence quenching. aminobenthiazole schiff base immobilized on a glass plate surface by covalent bonding can circumvent the leakage of the fluorephore from the sensor surface and guarantee a relatively long working lifetime
（ 3 ）用強熒光基團2 -氨基苯並蒽酮與對烯丙氧基苯甲醛合成了另一種新的schiff堿類化合物，與甲基丙烯酸羥乙酯、丙烯酰胺、環乙二醇二丙烯酸酯共聚制得光極膜，制備了一種苯並蒽酮schiff堿光化學傳感器，可用於單質碘的測定。The photocatalytic activity of the samples was evaluated by the photocatalytic oxidation of nitrogen monoxide in the gaseous phase and the photocatalytic decolorization of methyl orange solution in the aqueous phase, respectively. the titania thin films on fused quartz were prepared by lpd method and then calcined at different temperatures
用液相沉積法在石英玻璃上制備了二氧化鈦薄膜，並在不同的溫度下進行熱處理，用甲基橙水溶液的降解脫色評價二氧化鈦薄膜的光催化活性。R" is a replaceable function, e. g. acetoxy, methoxy, their acyloxy and alkoxy homologs or halo.
R」是取化基，如乙氧基、甲氧基及它們的環氧和烷氧同系物或鹵基。Produces carboxymethyl cellulose, thiourea dioxide, cmc, tdo, sodium hydrosulfite
羧甲基纖維素鈉二氧化硫脲保險粉Macrokinetics of mesitylenic acid synthesis by oxidation of mesitylene
均三甲苯氧化合成間二甲基苯甲酸的宏觀動力學Water - borne epoxy resin has been synthesized by grafting route, epoxy resin, methacrylic acid, butyl acrylic as primal materials. the mechanism of the preparation, emulsification and curing of the resin were described, and the whole course was analyzed. the correlative factors on each step reaction were discussed in detail
探討了以環氧樹脂、甲基丙烯酸和丙烯酸丁酯為原料，由接枝的路線合成水可分散性環氧樹脂的制備、乳化及固化成膜一系列的反應機理，對過程進行了分析，並討論了有關因素對各步反應的影響。Degradation of o - nitrotoluene by complex chemical oxidation
鄰硝基甲苯復合化學氧化降解研究Abstract : the principal development of the study on chemical conversion of nitrogroup derivatives for the toluene was summarized at first based on this review, described herewith are reaction mechanisms and effects substituents and concluded four methods about sclcctive oxidation of nitrotoluene
文摘:在這篇文章中，首先綜述了甲苯硝基衍生物研究的進展，根據這一評論詳細地說明了化學轉化機理和取代基效應，並對硝基甲苯的選擇性氧化進行了簡單評述。The compounds are prepared by the epoxidization of dinitrofluoromethyl olefins with peroxytrifluoroacetic acid.
這種化合物，由二硝基氟甲基烯烴與過氧化三氟醋酸進行環氧化反應而得到。Synthesis and fungicidal activity of n - methoxylcarbamates containing 1, 2, 4 - triazole and oxime ether
甲氧基氨基甲酸酯類化合物的合成及殺菌活性Hydroxyquinol triacetate was prepared from p - benzoquinone by 1, 4 - addition reaction with acetic anhydride and then 6, 7 - dihydroxy coumarin was synthesized from it by hydrolyze and cyclization in concentrated sulfuric acid. then 6, 7 - dimethoxy coumarin was synthesized by methylating from 6, 7 - dihydroxy coumarin with an overall yield of 74. 4 %. the procedure was practical. its structure was confirmed by ir and 1hnmr
對苯醌與乙酸酐經1 ， 4 -加成生成1 ， 2 ， 4 -苯三酚三乙酸酯，然後與蘋果酸反應經水解、環合反應得6 ， 7 -二羥基香豆素，再經甲基化得到6 ， 7 -二甲氧基香豆素，總收率為74 . 4 % ，整個過程反應條件溫和，操作方便，適合工業生產的要求，對產品結構進行了ir和1hnmr表徵。Aim to report a method for synthesis of n - chloroacetyl - 5 - ( aryloxymethyl ) - 2 - oxazolidinonesare
摘要目的研究n -氯乙酰基5 -芳氧甲基惡唑烷酮類化合物的合成方法。This unusual modification causes wild type s. lividans 1326 dna sensitive to site - specific oxidative double - strand cleavage ( dnd phenotype ). preliminary study revealed that such dna modification involves incorporation of sulphur. the entire functional dnd cluster, 8. 3kb in size, including 3 orfs - dnda, dndb and dndc was involved in this dna modification
野生型變鉛青鏈黴菌具有一種不同於甲基化修飾的新型dna硫修飾系統，使dna在電泳時易遭到氧化雙鏈切割而導致降解（ dnd ， dnadegradation ）表型（ zhouetal . ， 1988 ， 1994 ， 1999 ） 。A novel dna modification discovered in streptomyces lividans is different from dna methylation. this unusual modification causes wild type s. lividans dna sensitive to site - specific oxidative double - strand cleavage ( dnd phenotype, dna degradation )
變鉛青鏈黴菌的dna異常修飾系統是一種不同於甲基化修飾的新型修飾系統，它可使變鉛青鏈黴菌dna在電泳時易遭到氧化雙鏈切割（ dnd表型， dnadegradation ） （ zhouetal . ， 1988 ） 。Studies on the catalytic behaviors of nabr kzsm - 5 catalyst for the oxidative methylation of toluene with methane
Nabr kzsm - 5催化劑在甲苯氧化甲基化反應中的催化性能分享友人