查询词典 C-polymer

III. Studies on the total synthesis of macrophllin type of bicyclo[3, 2, 1] octanoid neolignans ( C-4': endo ) The first total synthetic route of macrophllin type of bicyclo[3, 2, 1]octanoidneolignans ( C-4': endo ) was established based on the rearrangement ofbenzofuranoid and bicyclo[3, 2, 1]octanoid neolignans.

三、Macrophllin型双环[3，2，1]辛烷类新木脂素(C-4'桥环为endo)的全合成研究利用氢化苯骈呋喃类新木脂素和双环[3，2，1]辛烷类新木脂素的重排关系，首次建立了macrophllin型双环[3，2，1]辛烷类新木脂素(C-4'桥环为endo)的全合成路线。

The crystal structures of two complexes have been determined by X-ray diffraction as: complex (11) is distorted octahedron configuration,α=15. 9002 (6), b=16. 2413 (5), c=23. 4401 (8)〓,β=90°, V=6053. 2 (4)〓, Z=8 and R=0.0531; complex (8) is trigonal bipyramidal configuration,α=9. 3476 (8), b=17. 4236 (13), c=9. 7836 (8)〓,β=91. 197 (3)°, V=1593. 1 (2)〓, Z=2 and R=0.0325, which shows that three secondary amine groups (N-1, N-2, N-3) of the glycosylamine ligand forms the equatorial plane, and the tertiary amine (N-4) and one Cl〓 are pointed on the apical positions.

分别对其进行X-ray衍射分析可以得出：配合物(11)的晶体数据为α=15.9002(6)，b=16.2413(5)，c=23.4401(8)〓，β=90°，V=6053.2(4)〓，Z=8 and R=0.0531，为畸变的八面体构型，而配合物(8)中，α=9.3476(8)，b=17.4236(13)，c=9.7836(8)〓，β=91.197(3)°，V=1593.1(2)〓，Z=2 andR=0.0325，为三角双锥构型，糖胺配体的三个氮原子（N-1，N-2，N-3）位于赤道平面上，而另外一个氮原子（N-4）和一个Cl〓位于轴向上。

For any initial generalized bisymmetric matrix $X_1$, when $AXB=C$ is consistent, we can obtain the generalized bisymmetric solution of the matrix equation AXB=C within finite iterative steps by the iteration method in the absence of roundoff errors; Moreover, the least-norm solution $X^*$ can be obtained by choosing a special kind of initial generalized bisymmetric matrix.

在不考虑机器误差的情况下，当矩阵方程AXB=C相容时，对任意广义双对称X_1，矩阵方程AXB=C的解可以经过有限步迭代得到；特别地，通过选择特殊地初始广义双对称矩阵极小范数解X^*。

In addition,α-alkenoyl ketene--acetals mainly used as the synthons of 3C and 5C, theα-functionalized reactions of which just limited on some simple reactions, as bromination, nitration, acetylation. However, the understanding of the forming of C-C bond atα-position is far from enough.

另外，对于α-烯酰基二硫缩烯酮的研究则主要集中在其作为3C或5C合成子的研究上，其α-位的官能化研究只是停留在溴化、硝化、脱羧等简单的反应之上，而对α-位C-C键的形成还缺乏足够的认识。

The speed of electrophilic addition reaction of Alkene is inferenced greatly by the electron-withdrawing group or electron-releasing group on C=C of Alkene And the main addition product is decided by stability of carbonium ion.

烯烃C=C上连有供电子基和吸电子基时，对于烯烃亲电加成反应速度的影响是很大的。加成产物是由碳正离子中间体的稳定性来决定。

Objective To explore the clinical significance between plasma levels of high-sensitive C reactive protein and atherosclerosis in patients with essential hypertension.Methods By measuring hs-CRP,endothelin,homocysteine,lipid and caroid artery echocardiography,ninety patients were divided into three groups equally,among them,the first group suffered 1-2 degree essential hypertension;the second group suffered 3 degree essential hypertension;excluding hypertension,coronary heart disease,diabetes,infections disease and tumour,control group as a third group was analyzed.

目的 对不同程度的原发性高血压患者进行血浆高敏C-反应蛋白（C-reactive protein，CRP）检测，探讨超敏C-反应蛋白在动脉粥样硬化疾病中的临床意义方法对30例1～2级原发性高血压患者(第1组)和30例3级原发性高血压患者(第2组)进行hs-CRP、内皮素、同型半胱氨酸和血脂检测、颈动脉超声检查，与除外原发性高血压、冠心病、糖尿病以及各感染、肿瘤患者进行比较分析。

Ancient North Korea (B.C. 2333~B.C. 108) It is reported, Myth character wing celtis Mr. in 2333 has founded South Korean first kingdom - ancient North Korea in.

古朝鲜( B.C。 2333~B.C。 108)据传，神话人物檀君于公元前2333年建立了韩国第一个王国-古朝鲜。

Octanoic-1-〓C acid and cholesteryl- [1-〓C] octanoate were first synthesized at home.

辛酸-1-〓C和辛酸-[1-〓C]胆固醇酯属国内首次合成。

The Wave C++ preprocessor library uses the Spirit [4] parser construction library to implement a C++ lexer with ISO/ANSI Standards conformant preprocessing capabilities.

Wave C++预处理器库使用了 Spirit [4] 分析器构建框架来实现一个符合ISO/ANSI标准预处理功能的C++ lexer。

The Wave C++ preprocessor library is a Standards conformant implementation of the mandated C99/C++ preprocessor functionality packed behind a simple to use interface, which integrates well with the well known idioms of the Standard Template Library.

Wave C++预处理器库是一个符合标准的委托型C99/C++预处理器实现，其功能被包装在一个易于使用的接口之后，该接口与著名的标准模板库惯用法集成得很好。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。