二 - 关于二的双语例句 - 二造句 - 语文书

为您找到1654个与“二”相关的双语例句：

Objective : To develop a HPLC method for determination cytidine diphosphate choline ( CDPC ) .
目的: 用RP-HPLC 法测定胞二磷胆碱的含量.
Methyl dihydrojasmonate was synthesized from 2 pentyl 2 cyclopentanone and methyl malonate by condensation and decarboxylation.
2-戊基环戊烯酮再与丙二酸二甲酯缩合,脱羧得到二氢茉莉酮酸甲酯.
Cyclopentanone ethylene ketal was synthesized with I _ 2 as catalyst.
以单质碘为催化剂合成了环戊酮乙二缩酮.
The progresses in bridged or substituted cyclopentadienyl ( and indenyl ) RuRu Bond carbonyl complexes are summarized.
综述了桥连或取代环戊二烯基 ( 茚基 ) 铁—铁键羰基化合物的研究进展.
So, we carried out with cyclopentadienyl molybdenum tungsten disulfide - based Synthesis and Characterization of.
为此, 我们开展了对含环戊二烯基二硫型的钼钨配合物的合成及性质研究.
The chemistry of cyclopentadiene organometallic complexes including the syntheses properties and applications are discussed in detail.
较全面叙述了环戊二烯(茂)金属配合物的化学和应用. 包括配位体环戊二烯的合成和性质.
The cyclopentadiene is prepared by the thermal cracking of dicyclopentadiene.
以热裂解双环戊二烯的方法制备环戊二烯.
In there compounds, the cyclopentadiene ring has only four hydrogens.
在这些化合物里, 环戊二烯环只有4个氢.
Menthol was obtained from lemon eucalyptus oil via cyclization and catalytic hydrogenation.
以柠檬桉叶油为主要原料经环化、催化氢化二步反应得到薄荷醇.
Product of acerbity series of cyanogen make water shares 4 kinds big two breed.
氰尿酸系列产品共有四大类二十几个品种.
The 1,4 dialkoxynaphthalo 2,3 dinitriles were synthesized from 1,4 naphthoquinone by bromination, cyanation and O alkylation.
研究了以1,4-萘醌为原料,通过溴代、氰化和O-烷基化三步合成1,4-二烷氧基萘-2,3-二甲腈.
Polyurethane demulsifier for crude oil were prepared from polypropylene glycol, xylene, toluenediiso - cyanate in xylene solvent.
用聚丙二醇和甲苯二异氰酸酯为原料, 二甲苯为溶剂合成了聚氨酯型原油破乳剂(PPG).
The cyanate Resin is modificated by styrene and divinyl benzene , which are called active diluent.
以苯乙烯和二乙烯基苯作为氰酸酯树脂的活性稀释剂,得到粘度低、贮存稳定性好的改性树脂体系.
The teenagers were convicted of manslaughter and given a two - year custodial sentence.
这些青少年被判过失杀人罪,及二年的监禁(拘留)刑罚.
The English forces were led by King George II's younger son, the 25 - year - old Duke of Cumberland.
英格兰军由国王乔治二世的幼子、 25 岁的坎伯兰公爵统帅.
The average flow of the river is 200 cubic metres per second.
这条河平均流量为每秒二百立方米.
The lip of that confounded cub, the second mate, quivered visibly.
二副, 那个惊慌失措的小伙子的嘴唇明显地哆嗦起来了.
He crossed out "Screenplay" and put "Written by" instead.
他划掉了“编剧”二字，改为“作者”。
Even if he is a youth of twenty he moves like an ancient crone.
他即使是二十岁的青年,行动起来也象个干瘪的老太婆.
He abandoned every particle of self - respect cringe and fawn.
他把自尊心丢得一干二净.

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