酸產物 的英文怎麼說
中文拼音 [suānchǎnwù]
酸產物
英文
acid product-
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。The transferabilities of disinfectant outgrowths. the transformations admixed with chloroamine disinfectant water and chlorizating disinfectant water in conveying tubes have been particular analyzed. mostly work and conclusions as follows : ( 一 ) using simulative test and crosswise test, changing some parameters such as the sequence and proportion of chloroamine affiliated
C )採用氯胺消毒方式時,預加氯成為總三鹵甲烷、鹵乙酸生成量的決定因素,取消預加氯將大幅度減少氯消毒副產物的生成,而對于濾后水消毒劑量(主要為一氯胺)的控制影響不大。The principal adrenocortical products are aldosterone, cortisol and dehydroepiandrosterone sulphate.
腎上腺皮質的主要產物為醛固酮、皮質醇和脫氫異雄酮硫酸鹽。The presence of dihydrolinalyl acetate in the lavender oil exposes the synthetic source and can be considered an adulterant
這樣的話二次產物乙酸二氫芳樟酯就作為一種摻雜物存在薰衣草油裏面。The decrease in value of ph by plla can be stabilized by the alkalescence brought by degradable cp. inflammatory reaction can be avoided
同時磷酸鈣降解后溶液呈堿性,可以中和聚合物降解的酸性產物,穩定ph值,防止plla降解過快造成的無菌性炎癥的出現。Physiological function of arginine and its metabolites in plants
植物精氨酸及其代謝產物的生理功能The separate addition of micro - silica, ultra - fined slag, high quality fly ash can improve the cement concrete ' s anti - chloride permeability. the result is micro - silica grater than slag grater than fly ash, and the greater the amount that added the greater the improvement is
5 x而水化產物對氯離于的固化主要為水化氯鋁酸鈣( friedel鹽)生成及c s h凝膠體的層間物理化學吸附作用。Vitriol : the alchemical substance that purifies a promethean for the transition to mortality. vitriol is produced by the azoth when the promethean completes a milestone on the pilgrimage
硫酸:能夠凈化活屍,使其轉變成人類的煉金術物質。硫酸是當活屍完成朝聖的里程碑時,由水銀所製造的產物。The by - product including yellow water and ending water in liquor production was used to produce esterifying liquid through the addtion of ending liquor, daqu, quality aged pit mud, fermented grains, quality edible alochol, caproic acid and esterifying enzyme and yeast for liquor use only etc
摘要以白酒生產的副產物黃水和尾水,添加酒尾、大麴、優質老窖泥、酒醅、優質食用酒精、己酸、酯化酶和酒用酵母等生產酯化液。In this study, iltv - nm98a strain and iltv - wanggang strain were multiplied in chorioallantois. a pair of primers were devised according to the nucleic acid sequence of iltv tk gene and the dna of multiplied virus was used as pattern to amplify the gene of tk by polymerase chain reaction ( pcr ). the product of pcr was linked with suitable plasmid. then, the recombined plasmid was converted to escherichia coli. the converted escherichia coli
根據已發表的iltvtk基因的核苷酸序列設計一對pcr引物,以增殖的兩株iltv的dna為模板,分別對它們的tk基因進行pcr擴增。將回收的pcr產物連接到適當的質粒載體上,轉化感受態大腸桿菌,通過篩選對iltvtk基因的陽性克隆進行擴增培養。Degenerate oligonucleotides to highly conserved regions of cucumis melo 1 - aminocyclopropane - 1 - carboxylic acid ( acc ) oxidase gene were used to prime the amplification of fragment of 128bp by ploymerase chain reaction ( pcr ) in samples of genomic dna from fruit of cucumis melo l. cv hetao flesh, which was cloned into plasmid vector pmd - 18 - t. the clon of antisense orientation were selected, and it was inserted downstream of camv35s promoter and enhancer " " of tmv into the plant expression vector pbinyxw, antisence expression vector pbinya was constructed. at the base that pollination and fertilization of cucumis melo l. cv hetao was studied, using pollen tube pathway transformate cucumis melo l. cv hetao, 76 fruit had been obtained, moreover, hardness and content of sugar were analysed
本實驗以河套蜜瓜果肉基因組dna為模板,用甜瓜acc氧化酶基因特異寡核苷酸鏈為引物進行pcr擴增,得到128bp的擴增產物。將得到的擴增產物克隆到質粒載體pmd - 18 - t上,篩選反向克隆,然後將其反向構建到植物表達載體pbinyxw的camv35s啟動子和tmv增強子「 」的下游,構建成反義表達載體pbinya 。並在對河套蜜瓜授粉受精生物學研究的基礎上,通過花粉管通道法轉化河套蜜瓜,共獲76顆瓜,並進行了硬度和含糖量的分析。Determination of compounds and products based on vingl chloride homopolymers and copolymers to evolve hydrogen chloride and any other acidic products at elevoted temperatures - congo red method
以氯乙烯均聚和共聚物為主的共混物及製品在高溫時放出氯化氫和任何其它酸性產物的測定剛果紅法In this thesis, the development of emulsion polymerization theory and related new technologies are comprehensively reviewed, and the synthetic technologies of acrylate latex modified by organosilicon both at home and abroad are also reviewed. based on the current development and research in this field, attentions of this study are focused on three ways for preparing novel acrylate latexes modified by organosilicons, that is, 1 ) the acrylate monomers are copolymerized with unsaturated silicons by emulsion copolymerization ; 2 ) a new latex with microphase separation morphology is synthesized, which shows a core - shell structure character ; 3 ) soap - free polymerization is explored for preparing a higher - performance latex using an unsaturated silicon monomer, different acrylates and a reactive emulsifier. by using techniques of delaying addition of organosilicon monomer and a hydrolysis inhibitor, the hydrolysis and condensation of 3 - ( trimethoxysilyl ) propyl methacrylate during polymerization can be effectively prevented, as a result, organosilicon content in the macromolecular chain is increased
同時採用有機硅單體延遲滴加及添加水解抑制劑等技術,有效防止了-甲基丙烯酰氧基丙基三甲氧基硅烷在乳液聚合過程中的過渡水解及縮合反應,提高了聚合物大分子鏈中有機硅鏈節的含量;利用紅外光譜與差示掃描量熱儀對產物分子結構進行了表徵,並通過對共聚產物力學和吸水率的測試,證實了本研究所制備的有機硅改性丙烯酸酯共聚物具有比純丙烯酸酯聚合物更優良的力學及耐水性能;從分子設計角度出發,利用醇解反應合成出水解、縮合反應速率較慢的兩種新型不飽和有機硅單體: ?甲基丙烯酰氧基丙基三乙氧基硅烷和?甲基丙烯酰氧基丙基三異丙氧基硅烷;利用核磁共振對新型硅烷單體結構進行了證實;研究表明利用新型硅烷單體可以制備出高硅烷含量的有機硅改性丙烯酸酯乳液,且其聚合產物具有較高的力學及耐水性能。Long chain alkyl benzenes is the product of cyclization - decarboxylation - aromatization of fatty acid, with the help of clay minerals catalytic effect, which comes from bacteria, seaseed and higher plant lipid ; or the reaction product of monocylic aromatics and fatty acid alkyl group under the same conditions
長鏈烷基苯主要是細菌、藻類和高等植物類脂化合物中脂肪酸在粘土礦物催化下發生環化脫羧再芳構化或單環芳烴與脂肪酸烷基化反應形成的產物。In this paper, a strain was selected with high esterase activity. its characteristics of production and enzymology and separation of l - lactic acid were investigated. through primary screening and rescreening, a fungus, f - 16, with high esterase activity was selected
本文選育出了高活性酯酶產生菌株並對該菌體的產酶性質、酶學特性及酶對乳酸乙酯的手性拆分后產物分離作了一定的研究。Under alkaline condition, the descreasing of esterified copolymer viscosity indicate the esterified copolymer is slow releasing. the effect of the complex superplasticizers and the single one is compared in this paper
通過對水泥一水體系的ph值和酯化產物的ph對性能的影響的討論,確定酯化產物使用時的最佳酸堿度。Industrial circulating cooling water - determination of undissolved material in acid, phosphorus, ferrum, aluminium, calcium, magnesium, zinc and copper for sludge and corrosion products
工業循環冷卻水污垢和腐蝕產物中酸不溶物磷鐵鋁鈣鎂鋅銅含量測定方法The 600 bp and 800 bp pcr products were cloned into the pgem - t easy vector. their cdna sequences were determined with positive clones or purified pcr product. conclusion : compared the 600 bp pcr product with the amino acids sequence for the fibrinolysin metalloproteinase from the venom of agkistrodon acutus from the southern of anhui province, their homology is 90. 6 %
結果:其中一對引物擴增得到一600bp產物;另一對引物擴增得到三條特異性的dna條帶,大小分別為1 . 5kb 、 1 . 3kb和800bp ,將600bp和800bpdna進行克隆及測序,並推導編碼的氨基酸序列。3 ) foa ( fluoroorotic acid ) treatment with the dominant negative mutants showed that the dominant negative effects of mutants were caused by the presence of the gpi17 vector, not by another mutation located somewhere in the genome and in a gene involved in the natural resistance against copper
3 ) foa ( 5 -氟-乳清酸)處理突變體細胞表明,得到的顯性負性突變體不是細胞中銅抗性基因突變的產物,其確為gpi17突變引起。In adding - acid system : the resistivities of different lithotypes " cp tend towards being constant and equal when weight percentage of aniline exceeds 50 % ; because of the structure difference of different lithotypes, the polymerizing places and processes are different ; the resistivities of vituain / pan and fusain / pan reach the lowest point respectively when ( ntloisiog / an is 0. 6, 1. 0 ; the resistivities of cp decline fast and tend towards being constant along with the reduction of diameter of coal. in not adding - acid system : the resistivities of different lithotypes ' cp decline evenly ; it is found on the crossed experiment of cp, that ( nflsaog / an mole proportion is the most important factor to influence output ratio of cp and the weight percentage of aniline is the most important factor to influence resistivities of cp. according to the result of the crossed experiment of cp
在有外加酸體系中:苯胺百分含量大於50時,不同煤巖組分的電阻率趨于恆定和一致;由於不同煤巖組分結構上的差異,導致苯胺聚合場所和聚合過程的不同;當過硫酸銨/苯胺摩爾比為0 . 6 , 1 . 0時,鏡煤-聚苯胺導電材料電阻率和絲炭-聚苯胺導電材料的電阻率分別達到最低值;在無外加酸體系中:不同煤巖組分/聚苯胺導電材料的電阻率隨著聚合時間的增加而均勻下降,並在8小時左右達到恆定;在對絲炭-聚苯胺導電材料進行的正交試驗中發現:過硫酸銨/苯胺摩爾比對產率的影響最大,苯胺重量百分比對產率影響最小,而對產物電阻率影響最大的是苯胺重量百分比。分享友人