优的例句大全

This paper gives a detailed description of the advantages of wrap lead cupelling method for the determination of gold and silver in bessemer copper. At the same time, the use of adhesion preventer is very important.

本文介绍了测定粗铜中金和银包铅灰吹法及其许多优点，同时认为，使用好防粘剂是很重要的。

Therefore, by choosing suitable type of binder, or blending calcium bentonite and sodium bentonite in proper proportion can improve the properties of green pellets.

因此，在造球生产过程中通过选择钠基或钙基膨润土，或通过两种膨润土搭配，可制备出综合性能优良的球团矿。

Optimization of final stage operating conditions of reverse alkylation in ethyl benzene plants

乙苯装置反烷基化反应末期操作工况的优化

Study on online simulation and optimization operating system for the ethyl benzene/ styrene distilling apparatus

乙苯/苯乙烯精馏塔在线模拟与优化操作系统

The Mathematical Model and Optimal Design of the Adiabatic Reactor for Dehydrogenation of Ethyl Benzene

乙苯脱氢绝热反应器的数学模型和设计优化计算

The direct hydrogenation of benzoic acid or methyl benzoate to benzaldehyde was a more preferable method for the synthesis of benzaldehyde from the view point of green technology.

而利用羧酸（或酯）可以直接一步加氢合成对应的醛，从绿色工艺来说具有较大优势。

Optimizing design of catalytic synthesis of butyl benzoate with ferric chloride

三氯化铁催化合成苯甲酸正丁酯的优化设计

Under theses conditions, yield of n-butyl benzoate could to reach 87.12%, suggesting that H_7PV_ ( 12) Mo_O_ ( 42) is a good catalyst for the synthesis of n-butyl benzoate.

在最佳实验条件下，酯收率可达87.12%，表明H4PV（12）Mo2O（42）是一种合成苯甲酸正丁酯的优良催化剂。

This article analyzes the optimum condition of the reaction of benzoin condensation with the supersonic in the experiment.

本文通过实验研究了超声波辐射下安息香的缩合反应及该反应的最优化条件。

Benzoyl cyanide was synthesized by the reaction of sodium cyanide with benzoyl chloride in a polar compounds as a catalyst with the yield of 72%.

在催化剂存在下，以固体氰化钠和苯甲酰氯为原料合成苯甲酰氰，研究了反应条件对收率的影响。优化条件下收率达72%（以苯甲酰氯计）。

The Optimization of SRAP-PCR System of Bermuda Grass

狗牙根SRAP-PCR反应体系的优化

Optimization of Deformation Aging Process of Beryllium Bronze

铍青铜形变时效工艺的优化

This alloy is cheaper and superior in the properties to beryllium bronze.

与铍青铜相比，该合金性能优良、价格便宜，因此是一种很有发展前途的铜基弹性材料。

This paper briefly describes the advantages, application prospects and present development states of procurements through open bidding.

简述了采用招标投标方式采购货物的优点、应用前景及在我国的发展状况。

Mechanism and Optimization Study of Affecting Factors on the Rate of Broken Biennial Root of Dual Base Cutter of Sugarcane Harvester

双圆盘切割器切割甘蔗破头率影响因素的优化及机理研究

Bidirectional flow diagnosis to optimize the design of a pump-turbine runner using vorticity dynamics theory

基于涡动力学的可逆转轮双向流动诊断及优化设计

Combining the advantages of both technologies, a kind of distributed multi-antenna bidirectional cooperative relay transmission scheme.

本文结合这两种技术的优势，研究了一种分布式多天线双向协作中继传输方案。

The article sets forth the route to control the engineering construction cost in the construction period after the completion of the bidding and tendering procedure from the aspects of signing the construction contracts, optimizing the design of construction organization and making out the budget of the construction drawings.

该文从签订施工合同、优化施工组织设计、做好施工图预算等方面阐述了在招标投标程序完成后进入施工阶段控制工程造价的途径。

A novel multi-objective optimal group and block bidding model for hydrothermal power market

考虑水火协调的多目标优化分组分段竞标模型

Additionally climbers must be paid attention as are characterized with wide adaptation, strong drought tolerance and climbing capacity, so that they are not only applied in greening dessert, bare mountain and hills, also in urban area, bridges and roads.

攀缘植物有较强的适应性、耐旱性和吸附攀缘能力，不仅是荒漠化土地、荒山、沟壑恢复植被的先锋植物，而且也是城市绿化、桥梁美化、道路护坡的优良绿化植物。