求和

The present thesis mainly focus on the external field method and their applications, especially the isospin symmetry breaking effects.

本论文主要研究 QCD 求和规则的外场方法及其若干应用，特别着重于同位旋对称性破缺效应。

In this paper we calculate the normalization constants mp_ 0π and mp_ 0K of the twist-3 distribution amplitudes of the pion and kaon from the QCD sum rules,instead of using the equations of motion.

用QCD求和规则计算了π介子和K介子的两个twist3分布振幅的归一化常数mp0π和mp0K。

The all-round development of man is the key content of Marxist theory as well as the essential request of the socialist society and the ideal of communism.

人的全面发展，既是马克思主义理论的重要内容，也是社会主义新社会的本质要求和共产主义的理想目标。

Therefore, the promotion of railway investment and financing reform becomes one of the keystones for China Railways.

我国经济的快速发展对铁路建设和铁路运输装备的融资需求提出了更高的要求和挑战，推进铁路投融资体制改革成为我国铁路的一项重点任务。

A person should be smart enough to carefully choose utensils and cookware keeping in minds their requirement and the space of kitchen.

人应该是足够聪明的小心地选择记住他们的要求和厨房的空间器物和炊具。

This paper describes the requirements on pure water and the methods for its preparation, especially the preparation of water used in laboratory by reverse osmosis method.

本文介绍了对分析实验室用水的要求和水质纯化方法，重点介绍反渗透法制备实验室用水的有关问题。

The paper makes description of effective box beam construction technology and workmanship which can be adopted in other projects,such technologies as:manufacturing and fixing of reinforcement,steel reinforcement fixing baseplate,web plate and top plate respectively and lifting the steel skeleton into form,requirements of design and manufacturing and way of utilization for dismantling-erection type formwork and hydraulic formwork,optimization of concrete ratio,concrete pouring process of two ends of beam in priority over the middle,in sequence of first baseplate followed by web plate and top plate at last,concrete pouring in inclined section and in horizontal layer,concrete vibration mainly byexternal vibrator in assistance with internal vibrator,methods and regulation for steam curing of concrete,dual controls over stress and strain to ensure quality of prestressing workmanship,construction method of effective beam moving by heavy-weight special moving facility,some regulations and key notes about construction of grouting under pressure,beam ends sealing,water-proof layer on the bridge surface system,protective coating.

文中介绍的采用胎具制作和绑扎钢筋，分底腹板和顶板分别绑扎并吊装钢筋骨架入模；拆装式和液压式两种模板的设计、制作要求和使用方法；综合考虑、优化混凝土配合比，混凝土灌注从两端至中间、先底板、后腹板、再顶板的施工顺序和斜向分段、腹板水平分层、附着式振捣为主、插入式捣固为辅的施工工艺，蒸汽养护的方法和规定；应力～应变双控制确保预应力施工质量的施工技术；采用重物移运器有效移梁的施工方法；压浆、封端、桥面防水层和保护层施工的一些规定和注意事项等都是对箱梁制造行之有效的施工技术和施工方法，并可为以后类似施工作借鉴。

With the changes of the use demand and natural conditions of the quay, the structure of the quay had happened greater changes relative to the past. At the same time, the count of pile in the nodal place of the crossbeam is increasing correspondingly, the size of pile cap become heavy gradually in nodal place, the bearing width in longeron and crossbeam is strengthened gradually too.

随着码头使用要求和自然条件的变化，码头结构较以往有较大的变化，横梁节点处的桩数相应增多，节点处桩帽的尺寸逐渐变大，纵梁和横梁搁置的宽度也逐渐加大。

Now, we have the basic information, such as: cavity number, product material, moulding machine specifications and steel information etc.

现在，我们有基本的信息，例如：模穴数，产品材料，注塑机资料和模具材料等，但我们还没有标准件的标准，浇口要求和产品表面要求。

All requirements for and ESL 60 machine are now covered: bottles sterilization and cap sterilization with ozonated water or hydrogen peroxide; washing and sterilization of the clean chamber; inclined main plate guaranteeing complete flow out off any fluid and dry up of the machine floor; construction allowing automatic washing using spherical and dedicated nozzles for supply of washing fluid; sterile air with overpressure supply, monitored by differential manometers, received by three-step filtration with enzyme HEPA filters.

对所有的要求和ESL 60机现覆盖：瓶子和瓶盖的消毒与臭氧水或过氧化氢杀菌，洗涤和清洁室消毒；斜板的主要保证完成关闭任何液体流出来的机器干地上；建设允许使用全自动洗衣机的洗涤液供应球形和专用喷嘴，与超压供应无菌空气，用差压力表监测，通过三步酶HEPA过滤器过滤欢迎。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。