不对称的
- 与 不对称的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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With 1,2-dimethoxyethaneas an additive,the reaction proceeded under mild condition to gave the highly functionalizedγ-hydroxy-α,β-acetylenic esters,and highly toxic reagent was avoided.
以DME为添加剂使不对称合成手性γ-羟基-α,β-炔酸酯的反应条件更加温和、易于操作,避免了剧毒物质的使用。
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Corolla actinomorphic, lobes straight; seed coat not transparent.
辐射对称的花冠,直的裂片;种皮不透明。
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Only in the millisecond range, the current efficiency decreases with shortening pulse period due to the disproportionation of cuprous ions and the dissolution of copper adatom.
在毫秒范围时会因为亚铜离子的不对称反应以及铜吸附原子的溶解而使得电流效率随著缩短脉冲周期而下降。
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This dissertation focused on two types of reactions, oxidative allylation of 1, 3-dicarbonyl compounds and ring-opening allylation of epoxides.
我们重点考察了两类反应:1, 3-二羰基类化合物的不对称烯丙基化反应和环氧化合物的开环烯丙基化反应。
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The asymmetric allylation of aldehydes is one of the most important methods for preparation of chiral homoallylic alcohol, which is the building block in organic synthesis of fine chemistry and drugs.
手性烯丙基醇是一类重要医药中间体,合成手性烯丙基醇的常见方法是醛的不对称烯丙基化反应。
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Shareholders and trustors which have different target interests, anisomerous cost, different property forms independently grant decision-making power the managers of the company.
股东与信托财产提供者的目标利益趋向不同,成本不对称,财产存在形式不同,相互独立的将决策权授予公司经营管理者。
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The needle primordium differentiated the needle leaves in the anisomerous differentiation courses.
在针叶原基的不对称分化过程中,进而发育成幼嫩的针叶。
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This control system includes main control model, current detection, position sensing, fault detection and protection, serial interface. Anisomerous bridge topology structure is adopted to design the power converters and driver circuit. Double closed loop based on velocity and current is adopted to control AC-motor.
其控制电路主要包括主控模块、电流检测模块、位置传感器模块、串口电路、故障检测和保护电路等;采用不对称桥式扑结构设计了功率变换器及其驱动电路模块;采用速度和电流双闭环的形式,完成对交流电机的控制。
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Tic division of F1 hybrid was normal ,anucleate cells and cells with micronuclei which were produced by asymmetrical separation of chromosomes were observed at the second meiotic division.
结果表明,杂种F1减数第一分裂基本正常,在减数第二分裂观察到由于染色体不对称分离产生的无染色质和仅带有微核的子细胞。
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Bifluoro nitrobenzene was the raw material of synthesis of asymmetry chromotropic acid bisazo fluoroarsen reagent, By way of ammonia substitution, arsonation, reduction and coupled reactions, bisazo fluoroarsen was synthesized.
以2,4—二氟硝基苯为起始原料,经过氨取代、胂酸化、还原、偶联反应合成了偶氮氟胂Ⅰ,然后分别选择不同的取代苯胺与偶氮氟胂Ⅰ偶联,合成了一系列的不对称变色酸偶氮氟胂。
- 推荐网络例句
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I will endeavour to find you some assistance.
我尽力帮你找人帮忙。
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At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.
起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像,后来回台湾,甚至去年在北京,居然也四处看见她的海报,才惊讶她的魅力之大。
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Ah may dee:You are chinese living in a democratic country.
你是居住在民主国家的中国人吧。