查询词典 sol

Consider the problem 1|s_, outtree |∑w_jC_j , we use the method of the maximal family tree to sol...

最后把NP-难的问题P_m|s_|∑w_jC_j转化为整数规划模型，并设计了LMP的列生成算法，结合Dantzig-Wolfe分解技术，利用动态规划对其进行求解。

This artice reviews the production technology,condition and performance of a naturally environmental protection macromolecule water-sol ubility glue powder,which is compounded by dragon glue,inorganic gel,meliorative plant fibre powder and PVA-9 powder etc.

概述了由龙胶，无机凝胶及改性植物纤维粉，PVA—9 粉等材料复合而成的一种天然环保分子水溶性胶粉的生产工艺，性能，并着重介绍其在建材领域中的应用，揭示了该技术项目正成为当今人们投资的热点。

In this work, we focus our effort on the studying of the sol-thermal and chemical metathesis synthesis of nanomaterials powder.

本论文针对无机纳米粉体的两种合成方法，溶剂热合成和化学交换法，对纳米粉体合成技术进行了探索。

Studying the sol-thermal and chemical metathesis synthesis of nanomaterial powder is the main task.

在课题研究期间，分别对溶剂热合成和化学交换法进行了研究与应用。

The SO_4~(2-)/TiO_2-SiO_2 solid superacid catalyst was prepared by sol-gel method;its catalytic activity was investigated to synthesis of methyl acetate.

用正交试验法对催化剂的制备条件进行优化，并对催化剂的酸强度、酸结构进行了系统的研究。

Some samples of TiO_2 nanocomposite material doped with W~(6+) were prepared by Sol-Gel process,The morphology and phase composition of TiO_2 film were studied by scanning electron microcopy,X-ray diffraction and ultraviolet-visual reflection spectrum.

以钛酸丁酯和钨酸钠为原料，采用溶胶-凝胶法在不同基体材料上制备了掺杂W6+的TiO2纳米复合材料。

Surfactant microemusion is added to the Sol gel process to obtain smaller size PbS microcrystal with narrower size distribution.

复合体系的溶胶凝胶转变点可通过对复合溶胶粘度随时间变化的观测而确定。

The BaTiO 3 microcrystal was fabricated by sol-gel method with annealing process.

利用溶胶-凝胶方法制备了BaTiO3凝胶，然后经过不同的退火处理，制备了BaTiO3微晶陶瓷。

At last, 5 Pt catalysts was successfully prepared by the Sol-Gel method. The composition, microgram and pore size distribution of 6 catalysts(including 5 Pt catalysts and zeolite) are studied by the XRD and Nitrogen adsorption method.

温度范围300-900℃。最后，利用溶胶-凝胶法制备了5种Pt催化剂，使用XRO和氮吸附法对Pt催化剂和沸石的晶体结构和表面织构进行了表征。

This paper presents the principles and techniques of designing and practising MIS of libraries. The system is built on mini-computer, VAX8350 using ORACLE database and PRO*C,SOL* FORMS.

本文介绍图书馆管理信息系统设计与实施中的指导思想与技术关键，并在小型机上用ORACLE数据库、PRO~*C、SQL~*FORMS等软件工具开发管理信息系统的有关技术问题。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失