甲基化物 的英文怎麼說
中文拼音 [jiǎjīhuàwù]
甲基化物
英文
methide-
The chloromethylation of acetanilide and its derivatives in a polyformaldehyde - hc1 system gave n - substituted products as the major product
摘要?察了乙酰苯胺及其衍生物在多聚甲醛鹽酸體系下的氯甲基化反應，結果表明， n -氯甲基化反應的產物是主要產物。Chiral quaternary ammonium salts were synthesized from cinchonine in cinchona alkaloids using chloromethylated polystyrene - polyethylene glycol, diethylene glycol, triethylene glycol and glycol as polymer - supported phase transfer catalysts, finsl products were characterized by ftir, elemental analysis, scanning electron microscopy, x - ray photoelectron spectroscopy ( xps )
摘要以金雞納生物堿中的辛可寧為原料，氯甲基化聚苯乙烯聚乙二醇、一縮二乙二醇、二縮三乙二醇、乙二醇等為載體合成了幾種聚合物負載的手性季銨鹽，並對它們的結構用紅外光譜、元素分析、掃描電鏡和x射線光電子能譜等測試手段進行了表徵。Mass spectromerty of thiazide diuretics and their methyl derivatives
噻嗪類利尿劑及其甲基化物的質譜研究By controlling those parameters, the hydroxymethylated and sulfonated ratios of melamine resin superplasticizer were enhanced, the performances of product also improved
通過控制這些因素提高了密胺樹脂高效減水劑的羥甲基化率和磺化率，改善了產物性能。When chlorotrimethylsilane is added to ( 2 - amino - primidin - 5 - yl ) - methanol derivatives, the methylation would be found. it is a strange reaction which is first reported
氨基5 -羥甲基嘧啶衍生物用三甲基氯硅烷在乙氰溶劑中迴流會發生醇的甲基化反應，該現象尚屬首次發現。Epigenetic modification of the genome ensures proper gene activation during development and involves : genome methylation changes ; the assembly of histon and histone variants into nucleosomes and remodeling of other chromatin - associated proteins such as linker histones, polycomb group, nuclear scaffold protein, and transcription factors
這些染色質的再程序化包括dna的甲基化和核小體組蛋白的乙酰化等。組蛋白乙酰化在染色質結構調節、 dna復制、基因轉錄、細胞分化及癌細胞發育都有研究，但在克隆動物中卻是一個有待深入探索的領域。Focus on the bioinformatics analysis of dna methylation
主要研究dna甲基化的生物信息學分析。The condensation of aromatic aldehyde with active methylene compounds in water
水溶劑中羰基與活性亞甲基化合物的縮合反應For example, the sulfonated and sulfomethlated materials and their derivatives have satisfactorily undergone tests as drilling mud thinners, and the results are comparable to those obtained with commercial mud thinners
比如，將磺化物質、磺甲基化物質及其衍生物作為鉆井泥漿稀料進行測試，效果令人滿意，其應用效果可以同商業泥漿稀料相媲美。For example, the suffocated and sulfomethlated materials and their derivatives have satisfactorily undergone tests as drilling mud thinners, and the results are comparable to those obtained with commercial mud thinners
比如，將磺化物質、磺甲基化物質及其衍生物作為鉆井泥漿稀料進行測試，效果令人滿意，其應用效果可以同商業泥漿稀料相媲美。I have used low copy pbin19 and single copy pmw755i5j binary vectors as backbone plasmids, to create a gene targeting insertion vector designated gfp tnos. after agro - infiltration into transgenic nicotiana benthamiana 16c, progeny were analyzed genetically for phenotypic changes, sirna accumulation, and dna methylation
採用農桿菌浸潤法（ agro - infiltration ）感染轉基因本生煙16c ，並對同源基因瞬時表達所引起的植物表型變化、小分子rna的產生、 dna甲基化程度、以及相關性狀在後代中的遺傳情況進行了檢查。Discussion in practice of the forensic material evidence, one that is chemical disposal special material to examine, for example material treated by formalin fixation and paraffin wax is needed to distinguish the source to identificate. because the formalin influence dna to be drawn directly, fixation time is the important variation factor among them
討論在法醫物證實踐中，經過化學處理的特殊檢材，例如福爾馬林固定后的石蠟包埋組織塊和切片的個人識別和來源鑒別，因為福爾馬林介導的甲基化直接影響dna提取的效率，其中固定時間是一個重要的變異因素。Studies on the reaction of aromatic aldehyde with active methylene compound under microwave irradiation
微波輻射下芳醛與活性亞甲基化合物的反應In combination with the characteristics of the molecular structure of carbazole, a possible genetic mechanism of dmcs is proposed : l, x - dmcs may be derived from 1 - methylcarbazole by methylation. the methylation at the cyclocarbon positions 3 and 6, with equal chemical reaction activity, would result in equal products ; at the same time, competitive methylations would occur between cyclocarbon positions 3, 6 vs 4, 5 ; different conditions of reactions will result in different preferences of 1, 3 - + 1, 6 - dmc or 1, 4 - + 1, 5 - dmc
結合咔唑分子結構分析，首次提出二甲基咔唑的一種甲基化作用形成機理： 1 ， x -二甲基咔唑由1 -甲基咔唑經甲基化作用演化形成；等化學反應活性的環碳3與6位上的甲基化作用理應獲得相等的產物。According to professor lam wai - kei, chairman of the department of chemical pathology, the chinese university of hong kong, the major source of human mercury intake is dietary methylmercury present primarily in fish and other seafood
香港中文大學醫學院化學病理學繫系主任林偉基教授指出，進食魚類及其他海產是人體攝取甲基汞（水銀的甲基化產物）的主要來源。By measuring surface tension, adsorptive content and potential of the superplasticizer solution, the mechanism was studied
4 。而添加磺甲基化產物的砂漿因較長時間的緩凝，強度有所下降。Chitin possesses special character and usage after modification such as modified as sulphonation, carboxymethylation, deacetylation etc. the derivatives are widely used in the fields of chemical industry, medicine, food, cosmetics, printing and dyeing, papermaking, environmental protection and agriculture etc. chitin is the ba
甲殼素經過化學修飾和改性，如磺化羧甲基化脫乙酰化等可獲得具有特殊性質和用途的甲殼質系列衍生物，在化工醫藥食品化妝品印染造紙環保農業等領域具有廣泛用途。The sulfomethylated copolymer can increase the fluidity of cement paste 20 %, and it has longer time retarding performance. the influence of the molecular weight of copolymer and the proportion of monomers on the property of sulfomethylated copolymer has been discussed
通過對酰胺基團的磺甲基化改性得到初始流動度提高了20的改性產物，且改性產物具有較長時間的緩凝性。The best process of sulfomethylated poly ( maleic anhydride - co - acrylamide ) is also designed. by testing setting time and water reducing rate of water - reducing agent, we find that the water - reducing ratio of the monoesterified ma - am is 20 %, and the sulfomethylated ma - am is 6. 3 %. they both have good retarding performance
本文還對水泥標準稠度用水量與凝結時間進行測定，得出酯化改性的減水劑減水率達到20 ，磺甲基化改性的減水劑減水率為6 . 3 ，改性產物均有一定的緩凝性。In most affected individuals, cgg repeats are massively expanded over 200 repeats ( full mutation ) and become abnormally h ypermethylated, w hich r esult i n t he s ilence o f t he fmr1 gene
全突變患者cgg重復次數可達n 200 ，其fmr1基因的cgg重復區域本身及其附近的cpg島發生異常甲基化，引起基因關閉，而fmr1基因產物fmrp的缺乏，導致脆性x綜合征。分享友人