为研究如何减少上述共轭二烯信息素成分中的几何构型异构化和氧化的发生,作者制备了几种不同剂型的诱芯并进行了田间诱蛾试验。
To reduce isomerization and oxidation of above conjugated diene compounds, pheromone baits of different formulations and substrates were made and tested for their trapping efficiency in the field.
使用sql函数提供异构型分布数据的统一视图。
Using SQL Functions to provide a unified view of distributed heterogeneous data.
对异构型分布数据源的统一访问
原始数据可以是结构化的,也可以是半结构化的,甚至是分布在网络上的异构型数据。
Raw data can be structured, it can also be a semi-structured, even distribution on the network of heterogeneous data.
同分异构体:亦称异构体。分子式相同但构型不同的两种或两种以上的物质,其差别只在于组成原子的排列不同。
Isomer: one of two or more substances with identical molecular formulas but different configurations, differing only in the arrangement of their component atoms.
本文探讨了异构型数据库系统整合的几种方式,并在功能、应用、技术基础等多个方面作了对比,同时给出了几种推荐使用的数据库产品。
This paper discuss some Methods of Heterogeneous database System Conformity, and their capability, application and technique, at last give out some database products being used nowadays.
研究了一种异构型无线传感器网络的能量效率问题。
The energy consumption issue of a kind heterogeneous wireless sensor networks was studied.
由于在侧链的合成中,有手性碳原子发生了构型翻转,因此我们合成了一个相应的多利培南光学异构体,以利于质量控制。
Due to the configuration inversions of chiral carbon in the synthesis of side chain, we synthesized the corresponding optical isomer of doripenem for quality control.
确定了互变异构体及过渡态的几何构型、相对能量和活化能。
The geometries, relative energies, and activation energy of the tautomer and transition state were determined.
分析了TCP/IP协议的体系结构、组成与功能以及通过TCP/IP协议实现异构型网络互连的机理。
This thesis analyzes the system construction, composition and function of TCP/IP protocol, and realization mechanism of intercommunication between isomerous networks through TCP/IP protocols.
计算结果表明,氟代和氯代磷杂硫烯酮为累积双烯结构,磷杂硫烯酮的异构体含CP三键,所有分子都具有弯曲几何构型。
The results of calculation show that fluophosphathioketene and chlorophasphatioketene presents cumulative double bonds, isomer presents C(P)triple bonds, all of molecules have a trans-bent geometries.
制备R,R(或S,S)构型的格隆铵-立体异构体的方法。
Method for production of the R, R (or S, S) configuration of glycopyrronium stereoisomers.
在大型工业部门中,往往存在许多地理上分隔的由不同类型DBMS管理的异构型数据库系统。
In large industrial organizations, there often exist many heterogeneous databases managed by different types of DBMS and dispersed geographically.
建立这些异构型数据库的网络,实现它们之间的互连通信与分布式访问,这是分布式数据库研究的一个重要方面。
It is an important research area to establish the communication between and tc have the distributed access to these databases.
建立这些异构型数据库的网络,实现它们之间的互连通信与分布式访问,这是分布式数据库研究的一个重要方面。
It is an important research area to establish the communication between and tc have the distributed access to these databases.
应用推荐