甲基化作用 的英文怎麼說
中文拼音 [jiǎjīhuàzuòyòng]
甲基化作用
英文
methylation-
The results suggested that the ph value, the type of monomers, the type, concentration and surface properties of inorganic nanoparticles, the type and concentration of emulsifier have a great influence on the encapsulating emulsion polymerization and the obtained latex stability. if selecting cationic emulsifier ( ctab ), low water soluble monomers ( such as ba, st ) and hydrophobic nano - silica, the inorganic nanoparticles would be encapsulated by polymers through ultrasonic irradiation successfully under alkalescent condition
系統研究了ba 、甲基丙烯酸甲酯（ mmal苯乙烯舊t ）以及它們的共聚體系在超聲輻照作用下包裹聚合的主要影響因素，結果表明： ph值、單體的種類、無機納米粒子的種類、濃度及表面性能、乳化劑的種類及濃度等對超聲輻照包裹乳液聚合以及復合體系的穩定性有較大的影響。1. ecological effects of long - term organophasphate pesticides contamination on soil microflora the long - term effects of organophosphate pesticides contamination on soil microflora were investigated in the present study. little difference in total counts of bacteria, actinomycetes and fungi was observed between the contaminated and the non - contaminated soil. compared with the control there were a slight decrease in total counts of free - living nitrogen - fixer and denitrifying bacteria and a significant increase in those of ammonifying and ammonia - oxidizing and nitrifying _ bacteria in the methylparathion contaminated soil
一、甲基對硫磷長期污染對土壤微生物的生態學效應研究了有機磷農藥甲基對硫磷長期污染對土壤微生物的影響，實驗表明：土壤細菌、放線菌、真菌總的數量影響不大；自生固氮菌和反硝化細菌數量減少；氨化細菌、亞硝化細菌、硝化細菌的數量在污染土壤中卻有所增加；與對照土壤相比，污染土壤呼吸作用下降了29 . 93 ；氨化作用和硝化作用強度得到增強。Studies on the structure optimization of bis - schiff base deri ved from 4 - amino - antipyrine and 1, 4 - benzenedialdehyde and spectra properties of the ligand with co
氨基安替比林縮對苯二甲醛雙希夫堿的結構優化及其與鈷離子作用的光譜研究The methods - three dimension fabric - enforced laminates, and sparse fabric - enforced laminates, layer - enforced laminates ? to enhance the interlaminar toughness of fabric - reinforced laminates were discussed in this paper. the stitching method to enhance interlaminar toughness of stitched - laminates was mainly discussed in this paper based on our research and experiment. the middle - alkali glass fabric used as enforced - material with thickness of 0. 2mm, 3 section 600 deniner kevlar yarn is used as stitching thread in this research, which improved lock stitching way and different kinds of stitching mode were adopted
以提高層合板復合材料的層間斷裂韌性（能量釋放率）為目標，採用中堿玻璃布為增強材料，對疊層后的玻璃布，採用凱芙拉縫合線、改進的鎖型縫合方法、不同的縫合工藝進行了縫合；基體採用的是不飽和樹脂，固化劑為過氧化甲乙酮，促進劑為環烷酸鈷液；在室溫下採用真空輔助rtm （ resigntransfermolding ）成型固化方法，製作了不同縫合工藝的玻璃布增強復合材料層合板。The free - phosphine carbene ruthenium complex [ 1, 3 - bis ( 2, 6 - dimethylphenyl ) - 2 - tetrahydroimidazol [ ( c5h5n ) 2 ( cl ) 2ru = chph ( 8 ) was prepared by the reaction of [ 1, 3 - bis ( 2, 6 - dimethylphenyl ) - 2 - tetrahydroimidazol ] ( pph3 ) ( cl ) 2ru = chph ( 7 ) with pyridine and used as a highly effective catalyst for the cross metathesis of acrylonitrile with allylbenzene
摘要設計了由1 ， 3 -二（ 2 ， 6 -二甲基苯基） 2 -四氫咪唑基苯亞甲基三苯基膦二氯合釕（ 7 ）和吡啶反應生成無膦型金屬釕卡賓化合物1 ， 3 -二（ 2 ， 6 -二甲苯基） 2 -四氫咪唑基苯亞甲基2 -吡啶基二氯合釕（ 8 ） ， 8作為高效催化劑用於丙烯腈和烯丙基苯的交叉交互置換反應。It was then cloned to the secreted vector - ppic9k and recombined successfully into the chromosome of pichia pastoris host strain - gsl 15 by electroporation
通過電轉化作用該基因片段被成功地整合至酵母cs115的染色體上，經過甲醇誘導之後，該基因得到了分泌表達。A butylated hydroxyanisole or butylated hydroxytoluene or mixtures thereof within the limits specified in part ii of this schedule may be used in conjunction with propyl gallate or octyl gallate or dodecyl gallate or mixture thereof within the limits specified, provided that the total amount of antioxidant shall not exceed, in the case of anhydrous oils and fats and vitamin oils and concentrates, and partial glycerol esters, 300 parts per million, in the case of butter for manufacturing purposes, 240 parts per million and in the case of essential oils and isolates from the concentrates of essential oils, 1000 parts per million
A不超逾本附表第ii部所指明分量的經丁化作用的羥基茴香醚或經丁化作用的羥基甲苯或其混合物，可與不超逾指明分量的丙基?酸鹽或辛基?酸鹽或十二烷基?酸鹽或其混合物同時使用，但添加於無水食油及脂肪維他命油及其濃縮物及部分丙三醇酯的抗氧化劑總分量，不得超逾百萬分之300 ，添加於作製造用途的牛油的抗氧化劑總分量，不得超逾百萬分之240 ，而添加於香精油及香精油濃縮物的分離物的抗氧化劑總分量，則不得超逾百萬分之1000 。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。Especially, when - bi together with a little carbon black ( cb ) or copper salt is used, the catalytic effect is better ; the flame structures of the double - base propellants containing - bi are similar to the typical plateau double - base propellant, but the combustion temperature distribution has been changed because of adding the - bi ; and the active components of catalysts deposit on the burning surface of propellants and the quenched surfaces of propellants with various catalysts possess different structure
它與銅鹽和少量炭黑（ cb ）復合后，催化效果更優； 2 ， 4 -二羥基苯甲酸鉍加入后，推進劑的火焰結構保持了典型平臺雙基推進劑的結構特徵，但改變了雙基推進劑燃燒波溫度分佈，炭黑和銅鹽的加入對2 ， 4 -二羥基苯甲酸鉍的催化作用有很大影響；催化劑分解的活性組分富集在燃燒表面，不同催化劑使推進劑熄火表面形成不同的結構。Alterations in dna methylation, an important regulator of gene transcription, lead to cancer
對調節基因轉錄起重要作用的dna甲基化的異常將導致癌癥的發生。By using the titanium - based anode made from the thermal decomposition method, the electro - catalysis of anode coating containing pt ? towards methanol oxidation is discussed in this dissertation. thermal decomposition technology is easily realized
本文以熱分解法制備的鈦陽極為基礎，探討了復合含pt ~ 0陽極塗層對甲醇的電催化作用。B preparations containing more than 100000 i. u. s vitamin a per gram are allowed to have in them or on them only 10 parts per million for each 1000 i. u. s vitamin a per gram of butylated hydroxyanisole b. h. a
每克含超逾100000個國際單位維他命a的配製品，其中每1000個國際單位維他命a只可含百萬分之10的經丁化作用的羥基茴香醚或經丁化作用的羥基甲苯或其任何混合物。According to the preservatives in food regulations cap. 132bd, permitted antioxidants in specified food include only propyl gallate octyl gallate dodecy gallate, butylated hydroxyanisole, butylated hydroxytoluene and ethoxyquin. tbhq is not specified in the said regulations and it is not a permitted antioxidant in fats and oils in hong kong
食物內防腐劑規例第132bd章規定，獲準添加於指明食物的抗氧化劑只限於丙基?酸鹽辛基?酸鹽十二烷基?酸鹽經丁化作用的羥基茴香醚經丁化作用的羥基甲苯及乙氧基奎。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。Water quality - physical, chemical and biochemical methods - determination of selected phenoxyalkanoic herbicides, including bentazones and hydroxybenzonitriles by gas chromatography and mass spectrometry after solid phase extraction and derivitization
水質.物理化學和生物化學法.固相萃取和衍生化作用后氣相色譜質譜法測定包括苯達松和羥基苯甲晴在內的選擇性苯氧烷類鋤草劑The s6 and 14 kd proteins could also suppress gfp silencing when pvx vectors harboring the two suppressors were infiltrated into nicotiana benthamiana whose gfp silencing had been induced by the tnos - deleted construct, and the suppression activity of the s6 protein was the strongest
表型觀察和分子檢測表明， s6和14kd基因可以對gfp基因的沉默產生不同程度地抑制作用，且s6對同源基因dna的甲基化具有抑制功能。In order to investigate the effect of 2, 4 - dihydroxylbenzoate ( - bi ) on the combustion of double - base propellant, the combustion law of the propellants containing - bi was studied by means of the single frame amplification photography fl miniature thermocouple, the scanning electron microscopy ( sem ) and the link isis energy spectrum
摘要為了探索2 ， 4 -二羥基苯甲酸鉍對雙基推進劑燃燒的催化作用，採用單幅放大彩色攝影法、型微熱電偶技術、掃描電鏡和電子能譜研究了含2 ， 4 -二羥基苯甲酸鉍雙基推進劑的燃燒規律。Research in recent years showed that dna methylation play a role in regulating gene expression, but the assay on relationship between dna methylation and flowering were mainly focused on model plants such as arabidopsis
近年來的研究表明， dna甲基化在植物基因表達調控中發揮重要的作用，但有關甲基化與植物開花關系的研究只是在擬南芥等模式植物上進行的較多，其它植物上的報道還很少。Or any mixture of b. h. a. and b. h. t
經丁化作用的羥基甲苯或分享友人