查询词典 N.C.

Fast algorithm of minimal norm least square solution for Cauchy linear system;2. For the m×n Cauchy-type matrix with full column rank,the fast algorithm of the minimal norm least square solution to the linear system Cx=b was obtained by construction of a special block matrix and study of the triangular decomposition.

对于秩为n的m×n阶Cauchy型矩阵C，通过构造特殊分块矩阵并研究其三角分解，进而得到了线性方程组C x=b的极小范数最小二乘解的快速算法，所需运算量为O+O(n2)，而通常构造法方程组的方法所需运算量为O(m n2)+O(n3)，用正交化法虽然避免了构造法方程组，但所需的运算量更大些。

PN5 W" I1 F/ C, I, F2 c: z" n* z/| Extramural/Internal

纳兰蓉容当前离线

Particularly in theβsubunit, the rotation of the distal HisE7 (63) imidazole ring about the Cα-Cγ bond and its large distance from the haem plane make a hydrogen bond possible between E7 Nε and the terminal binding oxygen atom, while in human oxyHb this hydrogen bond either does not exist or is only very weak.

这个氢键在人oxyHb分子中要么不存在要么很弱。

Z8 dwww.wangfans.com/ r; _! c# T: N V$ C王建民加油站 The two relievers are not related, but Chamberlain and Ramirez share a common trait: They throw nasty pitches -- so deceptive and biting, in fact, that left fielder Johnny Damon took a stab at describing what kind of pitcher the two of them would combine to make.

Q3 v- k； Vwww.wangfans.com 这两个后援投手并没有亲属关系，但是在乔巴和拉米瑞兹之间却共享著一个特点：他们都会投很刁钻的球--刁钻到骗死人不偿命、让对手痛不欲生的球，事实上，左外野手戴门就尝试形容过如果把他们两个人综合起来，会变成一个什麼样的投手。

C can be a linestyle and color as used in plot,% e.g.,'r-',orC can be the string Name of a colormap,X and Y% define the axis limits.% If not given default argument values are,N=10,C= 'hot

一旦设置了字符串，就设置了当前坐标轴的 'ColorOrder' 属性；最后，它们分别调用具有合适的参量的函数contour和contour3来画出图形。

The results show that carbon source has a great influence on the quantity of Ganoderma Polysaccharide and the optimum carbon source, nitrogen source are maltase and glucose(3.5%∶0.5%), peptone and yeast extraction(0.5%∶0.5%) respectively.

结果表明，赤灵芝GL-2深层培养中，C源种类和含量是影响灵芝多糖产量的主要因素，其适用C源为麦芽糖与葡萄糖(3.5%∶0.5%)，适用N源为蛋白胨与酵母膏(0.5%∶0.5%)。

These include that the dealkylation of the aromatics with side chains, polynuclear aromatic hydrogenation under supercritical condition, cracking of naphthene and C-S C-N key.

渣油经过加氢裂化反应后，虽然其芳炭率提高了，但是它的芳香环系缩合度降低了，表明在加氢中有大量的烷基侧链断链反应发生。

THORN; If application of composted plant and animal materials is intended, the compost production must establish an initial C:N ratio between 25:1 and 40:1; maintain a temperature between 55-77°C for 3 days in an in-vessel or static aerated system or 15 days in a windrow composting system.

如果使用经堆制的动植物废弃物，碳氮比必须在(25：1)～(40：1)之间；采用密封或静态好氧堆制，维持温度在55～76.7℃(131～170℉)堆制3天时间；或者条式堆制系统，维持温度在55～76.7℃(131～170℉)堆制 15天，且在堆制期间至少翻堆5次。

In part one, the reactions of some active fluorine-containing compounds such as 2, 2-dihydropolyfluoroalkanoic acids and ethyl 2-hydropolyfluoroalkenoates were studied and various fluorine-containing heterocyclic compounds were synthesized. Using 2, 2-dihydropolyfluoroalkanoic acids as the starting material, 4-fluoroalkyl quinolin-2-ols, 2- [ -1-hydropolyfluoro-1-alkenyl] -4H-3, 1-benzoxazin-4-ones, 1-aryl -4, 9-dihydro-3-fluoro-alkyl-1H-pyrazo [3, 4-b] quinolin-4-ones, 5-fluoroalkyl-12H-quin olino [2, 1-b] quinazolin-12-ones, 4-fluoroalkyl-1, 3-dihydro-1, 5-benzodiazepin-2-ones and 4-fluoroalkyl-2H-pyrido [1, 2-a] pyrimidin-2-ones were synthesized through its condensation reaction with anilines, anthranilic acid, N'-aryl-o-aminobenzamides, o-nitro aniline, o-amino pyridine and their derivatives and the subsequent transformations. 5-Fluoroalkyl isoxazolidines, 3-fluoro-3-fluoroalkylisoxazolidino [4, 3-c] quinolin-4-ones, 3-fluoroalkylisoxazolino [4, 3-c] quinolin-4-ones and 2-aryl-3per fluoroacylindoles were synthesized by inter-and intramolecular 1, 3-dipolar cycloaddition of fluorine-containing olefins and nitrones.

第二部分，我们研究了α，α-二氟苄基卤类化合物的亚磺化脱卤反应、产物的转化及全氟烷基亚磺酸盐与芳环化合物的全氟烷基化反应，发现全氟苄基碘或溴及α，α一二氟苄基溴在保险粉等亚磺化脱卤试剂引发下可生成相应的亚磺酸盐；全氟苄基亚磺酸盐与氯气或溴反应可生成全氟苄基磺酰氯或磺酰溴；在烯烃存在下，全氟苄基碘则与烯烃发生加成反应，生成相应的1：1加成产物；在三价醋酸锰的作用下，部分芳香化合物如茴香醚，二甲氧基苯，吡啶，喹啉等可以和过量的全氟烷基亚磺酸盐发生双全氟烷基化反应，反应表现出一定的区域选择性，产率良好。

" X8 C! n! \#|9 '3 c" r, The " Ho" in "Hodori" comes from the Korean word for tiger, and "Dori" is a common masculine diminutive.

1988年汉城吉祥物小虎多利。&Ho&是韩语的虎，&Dori&是韩国人对小男孩的称呼。

The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.

其基本内涵可概括为：以确有疗效的中药复方为研究对象，以现代科学技术和传统中医药理论为技术支持，以该复方所治病证的药效响应为评价标准，以优化重组疗效更优的新复方为研究目的。

Ever since our world has been a world, native forests have been indiscriminately exploited by man.

自从我们的世界一直是世界原生森林被任意剥削人。