生物甲基化 的英文怎麼說
中文拼音 [shēngwùjiǎjīhuà]
生物甲基化
英文
biological methlation- 生 : Ⅰ動詞1 (生育; 生殖) give birth to; bear 2 (出生) be born 3 (生長) grow 4 (生存; 活) live;...
- 物 : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
- 甲 : Ⅰ名詞1 (天乾的第一位) the first of the ten heavenly stems2 (爬行動物和節肢動物身上的硬殼) she...
- 生物 : living things; living beings; organisms; bios (pl bioi bioses); biont; thing; life生物材料 biol...
- 甲基 : methyl; methylium; carbinyl; hexanone
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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。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。The obtained polysilane - polyacrylate gradient films showed no macro - interface with the silicone content reducing gradually from the top surface to the bottom one. dma thermograms indicated that polysilane - polyacrylate gradient films contained two glass temperatures with their bands drifting from and their range extending much from each component. the good properties of waterproof, calorifics, and ultraviolet - absorption were also determined by dsc, uv and water contact angle measurements
結果表明:有機硅聚合物-聚丙烯酸酯梯度膜有一個較寬的玻璃化轉變溫區,玻璃化轉變范圍相對組分材料的玻璃化轉變范圍發生了擴展:有機硅聚合物-聚甲基丙烯酸酯梯度膜具有較好的熱學性能;硅含量的提高有利於改善膜層的憎水性能和紫外吸收性能。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。Tao feng changzhou chemical company located in the jiangsu international plastics city, is in changzhou city, the river additives ltd. and jurong city tao reagent production plant product sales window, the major products : toluene, pure benzene, xylene, n - octanol, ethyl acetate, acetic acid small fat, silicone oil, aniline, poly - succinimide, benzene triazole derivatives, isopropanolamine, ethanolamine, alkylation two aniline, scale inhibitor, promoting agents, antioxidants, ppd, defoamer, metal deactivator, hx - 3308 scale and corrosion inhibitor, hx03 - 12 diesel flow improver, parathion octyl - zinc chloride bridge acid, chlorine bridge anhydride, chlorobenzene, double - dicyclopentadiene, norbornene anhydride
常州濤峰化工有限公司座落在江蘇國際塑化城,是常州市夏溪助劑有限公司和句容市龍濤試劑廠生產的產品的銷售窗口,主要經營產品:甲苯、純苯、二甲苯、辛醇、乙酸乙脂、乙酸丁脂、硅油、二苯胺、雙聚丁二酰亞胺、苯三唑衍生物、異丙醇胺、乙醇胺、烷基二苯胺、防垢劑、促進劑、抗氧劑、降凝劑、消泡劑、金屬鈍化劑、 hx - 3308阻垢緩蝕劑、 hx03 - 12柴油流動改進劑、硫磷丁辛基鋅鹽、氯橋酸、氯橋酸酐、氯苯、雙聚環戊二烯、降冰片烯二酸酐等。Abstract : methanesulfonic acid method was used to prepare five acylated chitins. except heptanoyl chitin, four of them, i. e. acetyl chitin, propionyl chitin, butyryl chitin and hexanoyl chitin, had high degree of substitution ( from 1. 5 to 2. 0 ) and exhibited lyotropic liquid crystalline behavior and cholesteric phase. as the length of the side chain increased the critical concentration ( w / w ) somewhat increased from 0. 21 to 0. 26 because the chain rigidity dropped. the critical concentration values of all the four derivatives were much higher than that of chitin ( 0. 12 ) due to the decrease of intramolecular hydrogen bonds. the four acylated chitin can form typical banded texture after being sheared. there minimum concentrations to form banded texture of them were evidently different, varied from 0. 25 ( for acetyl chitin ) to 0. 37 ( for hexanoyl chitin ). these results further indicated that liquid crystallinity decreased while the length of flexible side substituents increased
文摘:四種羧酰化甲殼素即乙酰化、丙酰化、丁酰化和己酰化甲殼素在二氯乙酸溶液中均呈現膽甾型溶致液晶相.臨界濃度隨側基長度增加而略有增加,衍生物的臨界濃度明顯都比原甲殼素高許多,這些規律都可以用鏈剛性的變化來解釋.四種羧酰化甲殼素在剪切時均能形成條帶織構,而且能形成條帶織構的最低濃度有明顯差別,隨側基長度增加而提高,進一步表明側基較長,液晶性減少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。The predicted value of the model theory coincided basically with the experimental result of the waste gas methyl benzene of low concentration in the trickling biofilter
模型的理論預測值與生物膜滴濾塔凈化低濃度甲苯廢氣的實驗結果基本吻合。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。Synthesis and biological activity of methyl n - methoxylcarbamates containing pyrimidine
甲氧基氨基甲酸甲酯類化合物的合成及生物活性Monofunctional alkylating agent n - methyl - n ' - nitro - n - nitrosoguanidine ( mnng ) is a widely spread environmental mutagen and carcinogen that targets dna and proteins to generate adducts. among the adducts, o6 - alkyl guanine is the predominant mutagenic lesion because of its mispairing properties, which can eventually lead to chromosomal aberrations, point mutations, and cell death. this lesion also appears to be involved in tumor initiation, particularly in gastric carcinogenesis
單功能烷化劑n -甲基- n -硝基- n -亞硝基胍( mnng )是一種在環境中廣泛存在的化學誘變劑和致癌劑,它能和dna及蛋白質等生物大分子形成加合物( adduct ) ,其引起的與突變有關的主要dna損傷類型是o ~ 6 -甲基鳥嘌呤,這種損傷與腫瘤尤其是胃癌的發生密切相關。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。Focus on the bioinformatics analysis of dna methylation
主要研究dna甲基化的生物信息學分析。This paper describes several latest industrial microbial technologies in detail, which are the synthesis of the chiral diols by epoxide hydrolase from microbie, cofactors regeneration for redox with fdh, production of nano / micro wire by the phage display, metabolic network rebuilding for conventional fermentation and the application of the organic solvent tolerance and the metagenomics technology
本文綜述了幾項最新的工業微生物技術,主要包括:微生物環氧化水解酶催化合成手性二醇、微生物甲酸脫氫酶用於再生氧化還原反應的輔因子、通過噬菌體展示技術得到納米級金屬絲、代謝網路改造和重建用於傳統發酵生產以及有機溶劑耐受菌和宏基因組技術的應用。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。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。A. niger m - l which was screened in our laboratory produced a strongly a - transglucosidase. in this paper, studies on the fermentation conditions, purification and characterization of a - transglucosidase and its necessary groups was carried out in this dissertation. the main reports were as following : the fermentation conditions in shaking flasks were investigated by the method of single - factor analysis, the suitable main medium was achieved : which contained 4 % a, 2 % b and 1 % g ; the a. niger m - l was inoculated into 100ml medium in flask, shaking in 33 c at 140r / min for four days, with initial ph6. 5 and 6 % inocula volume ; adding 0. 1 mmol / l methyl a - d - glucopyranoside had inductive effect on enzyme formation, the a - transglucosidase activity amounted to 296. 05u / ml
本研究以黑麴黴m - 1為出發菌株,對其-葡萄糖轉苷酶的產酶影響因素、純化、酶學性質以及必需基團進行系統的研究,結果如下:通過對影響黑麴黴m - 1產-葡萄糖轉苷酶的單因素分析,得液態發酵生產-葡萄糖轉苷酶的最適產酶條件為: 4 a , 2 b和1 g ;在33 ,起始ph值為6 . 5 ,轉速為140r min ,接種量為6 ,裝液量100ml條件下,發酵4 . 0d ,酶活力達296 . 05u ml ,添加0 . 1mmol l的酶作用底物甲基- - d -葡萄糖苷對產酶的誘導作用最大。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