base是什么意思

网络释义

用法例句

Neighbourhood system,open neighbourhood bases and bases in pre-topological spaces;

预拓扑空间的邻域系、开邻域基与基

Base and Subbase in I-fuzzy Topology;

I-fuzzy拓扑的基和子基

Basis Selection in Limited Dimension Vector Space;

有限维向量空间中基的选取

A New Method of Construction of Orthonormal Basis in Some Subspace of Euclidean Space─Givens Transformation;

欧氏空间子空间的标准正交基的一种全新的求法──Givens变换法

Method of seeking basis in finite dimension linear space;

有限维线性空间中基的具体求法

They are different but also closely connected with each other, We discuss them from the following eight aspects: base area, operation, radix, coordinates of vectors, Transational matrix, linear counter chanange subspace and isomorphis

线性空间与欧氏空间是《高等代数》的两部分重要内容,两者之间既有区别又有联系,从它们的基础域、运算、基、向量的坐标、过渡矩阵、线性变换、子空间和同构8个方面进行对比讨论。

Modifid and realized the SRT algorithm,used overlap radix-2 to realize the radix-4,which made the speed double.

对SRT算法进行了改进,使用了两级重叠基-2使其变化为基-4的方法,速度较普通的基-2算法提高了1倍,而硬件代价却远小于基-4的方法。

Because the value that big integral outran the procedure design language integral type gathers the scope,designing well data structure and appropriate radix begins the important base of the system of the big Integral s calculating accurately.

由于大整数超出了程序设计语言整数类型的值集范围,所以设计良好的数据结构与合适的基成为大整数精确运算系统的重要基础。

Poly(aryl ether sulfone ether ketone ketone) with side carboxyl(PESEKK-A) attached to the main chain was synthesized by Friedel-Crafts polycondensation of 4,4′-diphenyoxyl diphenyl sulfone(DPODPS) with trimellitic anhydride chloride(TMAC).

以4,4′-二苯氧基二苯砜(DPODPS),偏苯三酸酐酰氯(TMAC)为单体通过Friedel-Crafts亲电反应合成了主链芳环上带有羧基侧基的聚芳醚砜醚酮酮(PESEKK-A)树脂。

Poly aromatic ether ketone ketone ether ketone ketone containing side carboxyl group((PEKKEKK-A)) was synthesized from trimellitic anhydride acid chloride(TAAC) and 1,4-bis(4-phenoxybenzoyl) benzene(p-EKKE) by low temperature solution polycondensation of 1,2-dichloroethane(DCE),N-methy-2-pyrrolidone(NMP) and anhydrous aluminum chloride(AlCl_3).

以偏苯三甲酸酐酰氯(TAAC)、1,4-二(4-苯氧基苯甲酰基)苯(p-EKKE)为单体,无水AlCl3、二氯乙烷(DCE)及N-甲基吡咯烷酮(NMP)为催化溶剂体系,通过低温溶液缩聚合成了含羧基侧基的聚芳醚酮酮醚酮酮(PEKKEKK-A)树脂。

Uneven settlement questions of the foundation of structure in mountain area;

浅谈山区构造物地基基础不均匀沉降问题

Safety assessment of suspension bridge foundation based on monitoring information;

基于监测信息的悬索桥地基基础安全性评估

Design and construction of foundation in mountain area;

山区地基基础的设计与施工

The calculation of C-NO_2 bond dissociation energy for some CHNO polynitro compounds with nitro alkyl——application to impact sensitivities;

含硝基烷基的一些CHNO多硝基化合物的C-NO_2键离解能计算——应用于撞击感度

diethylaminoethyl cellulose

二乙基氨基乙基纤维素

hexadecyldimethyl benzyl ammonium

十六烷基二甲基·苄基铵

alkyldimethyl benzylammonium chloride

烷基二甲基苄基氯化铵

The acetic acid radical CH3CO.

乙酰基，醋酸基醋酸基

phenylbenzyldimeth lammonium chloride

苯基苄基二甲基氯化铵

hexyl octyl decyl phthalate

己基辛基癸基酞酸盐

Basis price ; gound price

基本价格，基准价格，基价

phenyl methyl diphenyl silicone oil

苯基甲基二苯基硅油

methyl phenyl vinyl silicone rubber

甲基苯基乙烯基硅橡胶

aryl alkyl ethoxylate

芳基烷基乙氧基化合物

alkylaryl ethoxy sulfate

烷基芳基乙氧基硫酸酯

-methylbenzyl ether

α－甲基苄基醚 α

basal medium Eagle

Eagle基本培养基

1propene - 2 - ylacetate 1 -

丙基-2-基醋酸酯

MacConkey medium

MacConkey培养基，麦氏培养基，麦康基培养基

alkoxyalkyl sulfate

烷氧基烷基硫酸盐,烷氧基烷基硫酸酯

S-propyl butylethyl thiocarbamate

Ｓ－丙基丁基乙基硫代氨基甲酸酯

methyl-4-aminobenzene sulfonyl-carbamate

甲基-4-氨基苯磺酰基氨基甲酸酯