乙 - 关于乙的双语例句 - 乙造句 - 语文书

为您找到366个与“乙”相关的双语例句：

The propanedinitrile is synthesised from ethyl cyanoacetate by amination and elimination reaction.
由氰乙酸乙酯与氨反应生成氰乙酰胺,再经过消除反应制得丙二腈.
Based on the crosslinked polystyrene - polyacrylonitrile IPN matrix, the amidoxime groupmatrix through chemical reaction.
以交联聚苯乙烯 - 聚丙烯腈树脂为骨架, 经功能基化反应制备出含偕胺肟基团的互贯型螯合树脂.
Amebic dysentery is B type infectious disease legally.
阿米巴痢疾为法定乙类传染病.
The largest domestic companies are amantadine and rimantadine manufacturers of raw materials.
公司是国内最大的金刚烷胺和金刚乙胺原料生产商.
XPS foamed board, has a perfect closed - pore alveolate structure.
XPS挤出聚苯乙烯发泡板材, 具有完美的闭孔蜂窝状结构.
Nonionic surface - active agents include polyoxyethylene condensates, sucrose esters and alkyl amine oxides.
非离子型表面活性剂有聚氧乙烯缩合物, 糖酯和烷基胺氧化物.
Nonionics include polyoxyethylene condensates, sucrose esters and alkyl amine oxides.
非离子型表面活性剂有聚氧乙烯缩合物糖酯和烷基胺氧化物.
CONCLUSION Alisol A 24 - monoacetate is main diuretic compound of Alisma orientalis.
结果泽泻醇提物、水提物和24-乙酰泽泻醇A均有利尿作用.
The enzyme activity test results showed that aldolase could transform Nacetyl - D - ManNAc into N - acetyl - D - neuraminic acid very efficiently.
经纯化后催化活性实验结果表明,醛缩酶可将N- 乙酰 -D- 甘露糖胺高效率地转化为N - 乙酰-D-神经氨酸,表现出较高的催化活性.
Glycine and succinyl - CoA are precursors of 5 - aminolevulinic acid ( ALA ) biosynthesis.
甘氨酸和琥珀酸是红假单胞菌生物转化合成5-氨基乙酰丙酸 ( ALA ) 的前体.
The polyester , polythylene adipate, was removed from the reactor.
将聚酯, 聚已酸乙稀酯从反应器中拿出来.
The results show that zinc acetate - stearic acyloxy has thermal stability and synergistic effect with calcium stearate.
结果表明,硬脂酰氧基乙酸锌对PVC具有一定的热稳定性能,与硬脂酸钙具有较好的协同作用.
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、甲氧基及它们的环氧和烷氧同系物或卤基.
Carboxylic crosslinked polystyrene microsphere was prepared by F - C acylation reaction.
通过傅克酰基化反应制备了羧基化交联聚苯乙烯微球.
Aspirin is synthesized through O - acylating reaction from acid and anhydride acid with anhydrous carbonate as catalyst.
以水杨酸和乙酸酐为原料,采用无水碳酸钠作为催化剂经O - 酰化反应合成了阿司匹林.
Through nitrosation , hydrogenate reducion, and acylate three steps, the yield surpass 80 % for the diethyl malonate.
收率相对于丙二酸二乙酯达到了80%以上.
CONCLUSION Actinomycin D can stimulate encephalitis B virus replication.
结论:放线菌素D可使持续感染的乙脑病毒复制增加.
They are acrylaldehyde hydration, ethylene oxide formylation and biological zymolysis methods.
即丙烯醛水合法, 环氧乙烷甲酰化法,生物发酵法.
The blend of acrylate rubber ( ACM ) and ethylene propylene diene terpolymer ( EPDM ) was prepared.
以丙烯酸酯橡胶 ( ACM ) 和三元乙丙橡胶(EPDM ) 为主要原料制备共混材料.
In low temperature, reaction of ketone with sodium acetylide synthesized 1 - ethynyl - 2,3, 4,5 - tetramethyl - 2 - cyclopentene - 1 - ol; 1,2 - diphenyl - 2 - hydroxy - 3 - butine - 1 - one; 3,4 - diphenyl - 1,5 - hexadiine - 3,4 - diol and 3,4 - dipheny
报道了在低温条件下, 以邻二酮和α-环烯酮为原料与炔钠反应,合成了2,3, 4,5-四甲基-1-乙炔基-2-烯-环戊醇、1, 2 - 二苯基 -2 - 羟基 -3 - 丁炔 -1 - 酮、3, 4 - 二苯基 -1,5-己二炔-3,4 - 二醇和3,4 - 二苯基 -3 - 环戊烯 -1 -酮4种化合物.

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