1)  spline
SPLINE样条线
1.
Through the research and application in the function of spline, some methods and skills were put forward in mechanical product modeling and is helpful to the high efficiency of UG software.
UG软件SPLINE样条线在实体造型方面具有重要作用 ,它能帮助人们制作一些复杂的曲面 ,以提高实体建模的效率和质量。
2)  SP
SP
1.
Mineral Catalyzed to Synthesizing SP and SP-C;
矿物质催化合成SP及SP-C
2.
Polymer and SP and XT bi-crosslinked profile control agents:research and application;
聚合物与SP及XT双交联调剖剂的研究与应用
3.
Effect of Oubining on the Change of SP and NK_1-R Induced by Cisplatin;
呕必宁对顺铂诱发脑及胃组织SP及NK_1受体改变的影响
3)  substance P
SP
1.
A triple immunofluorescence histochemical staining technique was used to examine the connections between serotoninlike immunoreactive (5-HT-LI), substance P(SP)-LI terminals and thalamic(TH)- or para brachial (PBN) - projection neurons in the superficial laminae(lamina Ⅰand lamina Ⅱ) of the caudal spinal trigeminal nucleus(Vc) in the rat with con focal laser-scanning microscopy.
用免疫荧光组织化学三重染色技术观察了大鼠三叉神经脊束核尾侧亚核(Vc)浅层(Ⅰ层和Ⅱ层)内向丘脑或臂旁核投射的神经元与下行性5-HT样和初级传入的SP样终末之间的联系。
4)  SP-A
SP-A
1.
The Expressions of Napsin A、SP-A、TTF-1 in Discriminating between Primary Adenocarcinomas and Metastatic Tumors of the Lung;
原发性肺腺癌和转移性肺肿瘤中Napsin A,SP-A,TTF-1临床病理学意义
2.
The Ultrastructural Pathology Change, Immunohisto-Chemical Assay and Analysis of AGEs and SP-A in Diabetic Lungs;
糖尿病肺组织超微结构病理改变及AGEs、SP-A的免疫组织化学检测和分析
5)  Rhodococcus sp
Rhodococcus sp
1.
Isolation,Identification and Degradation Characteristics of a Quinoline-Degrading Bacterium Rhodococcus sp.QL2;
喹啉降解菌Rhodococcus sp.QL2的分离鉴定及降解特性
2.
Culture Conditions for Cholesterol Esterase Formation of Rhodococcus sp.and Partial Properties of Cholesterol Esterase;
Rhodococcus sp.发酵条件及其胆固醇酯酶的部分性质
3.
The Study on Optimization of Fermentation Conditions for Nitrile Hydratase Production by Rhodococcus sp. SHZ-1 and Its Enzymological Characterization;
因此本文对产腈水合酶菌株Rhodococcus sp。
6)  Paracoccus sp
Paracoccus sp
1.
A monocrotophos [dimethyl(E)-1-2-methylcarbamoylvinylphosphate or MCP]-degrading strain named as M-1 was isolated from sludge collected from the wastewater treatment pool of a pesticide factory and identified as Paracoccus sp.
从某农药厂废水处理池的污泥中分离到1株久效磷高效降解菌株M-1,经过对其形态特征、生理生化、以及16S rDNA序列分析,该菌株初步鉴定为Paracoccus sp。
参考词条
补充资料:B样条曲面


B样条曲面
B-spline surface

B yangtiao qumianB样条曲面(Bsp一ine surface)用分段B样条多项式函数及控制点网格定义的面。基于B样条曲线,可以得到B样条曲面的表示式。给定(m+1)(n十l)个空间点列凡(i=0,1,…,m,]=0,1,…,n),则s(二,w)一艺艺尸。从,*(。)凡,,(w),该二0少=O u,功任[0,1」定义了kXz次B样条曲面。式中从,*(u)和凡,,(w)分别是k次和l次的B样条基函数,由凡组成 的空间网格称为B样条曲面的控制点网格。上式 也可写成如下的矩阵式称(u,二)二认呱几M王w王,y任[l,。+2一划 z任[l,n+2一z〕,u,wC〔O,1」式中y,z—表示在u,w参数方向上曲面片的 个数。 Uk=[。‘一‘,uk一2,…,u,1〕, 钱二仁砂一’,砂一2,…,w,1〕, 凡,二氏,i任[y一1,y+k一2〕, ,任仁z一1,z+z一2] 凡是某一个B样条面片的控制点编号。最常用的 是二、三次均匀B样条曲面的构造。 (1)均匀双二次B样条曲面 已知曲面的控制点巧(i,]=o,1,2),参数u、 二,且O镇u,w簇1,k=l=2,构造步骤是: ①沿w(或u)向构造均匀二次B样条曲线,即 有 ,「‘一“P0(w,一L矿“」[一::侃同哪 WMs经转置后尸。(w)=「尸oo尸。,尸。2〕磷wT;同上可得P,(二)=[尸,。尸,,尸,2」M五WT pZ(二)=[pZ。p21 p22]M百wT ②再沿u(或w)向构造均匀二次B样条曲线,即可得到均匀双二次B样条曲面。 ,L 11﹁.!一|到泊恤、、/)pp(w嘿的嘿编s(u,w)二UM日(w T W TB M翻川州护P PP=UM白 匕PZo P21简记为s(u,二)二〔侧砂呵百wl (2)均匀双三次B样条曲面 已知曲面的控制点八(£,j=o,1,2,3),参数u,二且“,w任【0,1],构造双三次B样条曲面的步骤同上述,其矩阵形式是 S(u,w)=L时正声吸至百wT, 门几创川川旧洲翻叼--302 1222犯尸尸尸P尸尸尸尸尸冲尸峥 一一 P月J月j 3一6,l八、︶n”4.内J,1卜|匡IL 1一6 一一 姚双三次B样条曲面如图1所示。图1双三次B样条曲面
说明:补充资料仅用于学习参考,请勿用于其它任何用途。