原 - 关于原的双语例句 - 原造句 - 语文书

为您找到2717个与“原”相关的双语例句：

N, N - diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.
以苯胺和溴乙烷为原料,用四乙基氢氧化铵作相转移催化剂,在常压下合成N, N二乙基苯胺.
The aminolignin flocculant was prepared based on calcium lignosulfonate, diethylamine and epichlorohydrin by amino grafting.
摘要以木质素磺酸钙、二乙胺和环氧氯丙烷为原料,通过接枝氨基,合成了木质素胺脱色絮凝剂.
N, N - Diisopropylethylamine ( DIPEA ) was prepared from diisopropylamine ( DIPA ) and diethyl sulfate ( Et _ 2 SO _ 4 ).
以二异丙胺 ( DIPA ) 、硫酸二乙酯 ( Et2SO4 ) 为原料合成N, N二异丙基乙基胺 ( DIPEA ).
He put forward seven general dicta.
他提出7条总原则.
Methyl 2, 6 - dichlorophenoxyacetate is prepared with 2, 6 - dichlorophenol , sodium methoxide and methyl chloroacetate as raw materials.
以2, 6- 二氯苯酚、甲醇钠甲醇溶液和氯乙酸甲酯为原料,合成了2, 6-二氯苯氧乙酸甲酯.
Tetrahydrothiophene was synthesized using iodine as a catalyst from 1, 4 - dichlorobutane and sodium sulfide.
以1, 4- 二氯丁烷和硫化钠为原料,碘为催化剂,乙醇为溶剂合成了四氢噻吩.
Dibutyl Phthalate is a more rare ingredient, but still used also.
而邻苯二甲酸二丁酯虽然是一种很少见的原料, 但仍然在使用.
Di - Grignard Reagent and mono Grignard Reagent were prepared using 1, 4 - dibromobutane.
以1, 4- 二溴丁烷为原料,分别制备了双格氏试剂和单格氏试剂.
Synthesis of BGM salt from N. N - dimethylaniline by nitrosotion, reduction, diazotization is detailed.
N. N - 二甲基苯胺经亚硝化、还原、重氮等合成BGM盐.
We compared the response types are good at: alkylation, oxidation, reduction, diazotization, such as halocarbons.
我们比较擅长的反应类型有: 烷基化, 氧化, 还原, 重氮化, 卤化等.
George III clapped John Wilkes in the Tower for his diatribe not for his documents.
乔治三世在伦敦塔内教训约翰-威尔克斯,原因不在于后者的纪实文章而是后者对他的抨击谩骂.
Any heteronuclear diatomic molecule must have a dipole moment since its two ends are different.
任何异核双原子分子必然具有偶极矩,因为它的两端是不同的.
Apart from selenium and vapour - deposited germanium and silicon, glasses are at least diatomic.
除了硒和汽相沉积的锗和硅之外, 玻璃至少是二原子的.
We have concentrated on the ground electronic states of diatomic molecules.
我们曾主要集中注意双原子分子的电子基态.
The process conditions of separation and purification via diatom earth filtration and alcohol precipitation were studied.
醇析法是一种有效分离提纯黄原胶的方法.
Assume that atmosphere is made of diatom ideal gas in adiabatic equilibrium.
大气可看成绝热平衡下的双原子理想气体.
The dialysis principle can be used for demineralization of brackish water.
渗析原理的应用是除半咸水中的盐.
These changes reflect the effects of burial diagenesis on the originally deposited clay mineral assemblage.
这种变化反映了埋藏成岩作用对原来沉积的粘土矿物组合的影响.
Diacetone acrylamide ( DAAm ) was prepared by reacting acrylonitrile with diacetone alcoholammonia.
以二丙酮醇和丙烯腈为原料,利用简便、温和的反应条件合成新型乙烯基功能单体-双丙酮丙烯酰胺.
Has a primary metal D - level 2653.55 tons of diabase rich in mineral resources and mineral resources.
拥有原生的锡金属D 级 2653.55吨矿藏资源和丰富的辉绿岩矿产资源.

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