查询词典 antipode
- 与 antipode 相关的网络例句 [注:此内容来源于网络,仅供参考]
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If one of the following conditions is satisfied , then the trivial extension T of H is not a bialgebra .(1) H is not a Hopf algebra ,(2) H is a Hopf algebra , but the antipode of H is not the identity map .(3) char can not divide 2dim H .
若下述三个条件之一成立,则T不是双代数:(1) H不是Hopf代数,(2) H是Hopf代数,但其反极元S不是恒等映射,(3) char不能整除2dim H。
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Initially ascends the south pole this snow white snow and ice cover the land, the exploration team members all is attracted by at present the beautiful scenery, however, they slightly had not actually expected, is slowly thorough along with the antipode place, worse weather as well as extremely 凶险 the natural environment will take to them more and more many troubles, even is to the survival enormous challenge.
初登南极这块雪白冰雪覆盖的土地,探险队员们都被眼前美丽的景色所吸引,然而,他们却丝毫没有预想到,随着对极地的慢慢深入,更加恶劣的天气以及极为凶险的自然环境将带给他们越来越多的麻烦,甚至是对生存的极大挑战。
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The cyclodextrin improves the catalytic reduction efficiency of yeast juice, increases the stereo selectivity for bottom object, improves evidently thepercent conversion of bottom object and the antipode excess value of outcome.
环糊精提高了酵母液的催化还原效率,同时增加了对底物的立体选择性,明显提高了底物的转化率和产物的对映体过量值。
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Everybody to the increment duty attention concentrates, in smuggles, deceives in the tax, but not the standard financial operation causes the increment duty to service improper processing wrong to give actually pays attention few, this article stands in enterprise's standpoint, the antipode easy to make a mistake the service and the accounting practice carry on the analysis, and summarizes a set of increment duty tax cut principle, comes to reduce the increment duty tax burden reasonably legitimately.
大家对增值税的关注都集中在偷税。骗税上,而对业务的不当处理和不规范的财务操作造成增值税错缴却关注较少,本文站在企业的立场上,对极易出错的业务及会计实务进行分析,并总摘要:大家对增值税的关注都集中在偷税。
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The ×R-bialgebra with such an antipode is called the R-Hopf algebroid.
一个×〓双代数并且具有上述对极被称为R-Hopf代数胚。
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Based on the addition of vinyl magnesium bromide to the chiral non-racemic synthon 2 derived from-1, an enantioselective total synthesis of-3, the antipode of marine alkaloid halitulin 10 steps, overall yield: 5.3% from (R-1 was achieved using aza-Claisen rearrangement as a key step.
取得的主要结果如下:一、从-苯基甘氨醇1出发,通过已知的哌啶手性合成砌块2的加成反应,建立了经aza-Claisen重排反应进行海洋生物碱halitulin手性分子片断的对映体--isohaliclorensin 3不对称合成的路线。
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Based on the addition of vinyl magnesium bromide to the chiral non-racemic synthon 2 derived from-1, an enantioselective total synthesis of-3, the antipode of marine alkaloid halitulin 10 steps, overall yield: 5.3% from (R-1 was achieved using aza-Claisen...
取得的主要结果如下:一、从-苯基甘氨醇1出发,通过已知的哌啶手性合成砌块2的加成反应,建立了经aza-Claisen重排反应进行海洋生物碱halitulin手性分子片断的对映体--isohaliclorensin 3不对称合成的路线。
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The appearance of-enantiomer after incubation with single-enantiomer revealed the enantiomeric inversion of-isomer to its antipode. While no obvious stereoselective degradation or enantiomeric inversion were observed in other test soils.
左右旋对映体在3~#土壤中的降解速率有明显差异,二者半衰期相差0.95周;添加外消旋体培养6周后ER值达到1.65,表明左旋体被优先降解;同时在该土壤中存在左旋体向右旋体的转化现象;在其他几个土壤中均未有明显的选择性降解或对映体转化现象。
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Clau (5, 10, 20〓) was bound to rat plasma a greater extent than clau, while in rabbit plasma the reverse was the case. By Scatchard plots using bovine serum albumin, clau had a higher equilibrium constant and the greater numbers of binding sites than its antipode.
在与大鼠血浆蛋白的结合中,clau的结合率平均为28.37±0.31(n=3,三个剂量5,10,20μM),clau的结合率平均为38.05±2.61(n=3),clau结合率低于clau;而在与兔血浆蛋白的结合中,clau的结合率平均为47.21±4.91(n=3,三个剂量),clau的结合率平均为41.43±5.21(n=3),clau的结合率略高于clau;在与牛血清白蛋白的结合中,clau的结合率也高于clau,立体选择方向与兔血浆蛋白结合相同,而与大鼠血浆蛋白结合相反,提示存在种属差异;在与系列浓度的牛血清白蛋白结合中,通过Scatchard作图法求得蛋白结合点数和平衡常数;在clau,N和K分别为90.02±35.76和5.326±1.196(n=4);在clau,N和K分别为59.92±20.39和4.203±1.250(n=4),两者的比值分别为1.50和1.27;进一步说明clau对映体的蛋白结合存在立体选择性差异。
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When bottom object concentration is 6-12g/L, different mole ratio cyclodextrin is added according to different bottom object, the percent conversion of bottom object aromatic ketone is 50-99and antipode excess value of outcome optically active alcohol is 75-99D:工作文件发明补译2433biba_补13_sunquansheng(100件)2433biba_补13_sunquansheng(100件).txto the product incorporating the invention has high practical application worthiness.
利用本发明在底物浓度为6~12g/L时,环糊精用量根据底物的不同选择不同的摩尔比加入,此时底物芳香酮的转化率为50%~99%,产物光学活性醇的对映体过量值为75%~99%,具有较高的实际应用价值。
- 推荐网络例句
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Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.
在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。
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In fact,I've got him on the satellite mobile right now.
实际上 我们已接通卫星可视电话了
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The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.
世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。