查询词典 main force

Studied internal force and transform of four construction stages, make sure the general precamber of the main beam,the side beam and three arches.

分别研究了四个施工阶段的结构内力和变形，确定了主梁、边梁和三片拱的一般预拱度。

That means shock excitation force will be produced in Z axes, which will destroy the balance of the rotor outside of the main control plane.

那意谓令人感到意外的刺激力量将会在 Z 轴，将会在主要的控制飞机的外面破坏转子的平衡被生产。

Main Products:"Air Force" brand series of shearing machine, bending machine, three?

主要产品：&航力&牌系列剪板机、折弯机、三？

Sling a factory specializing in production, the main production of composite hoisting rope rigging sets, high-strength fiber lifting belt, lifting chain rigging sets, primers Paper Rope, rope molding, flexible ladder, climbing ladder, rope ladder closed, seat belts, safety net, hanging clamp, hook and other lifting accessories, with international advanced production equipment and testing means, strong technical force, perfect quality management system, products made of production license, certificate of labor protective products, through the Ministry of Agriculture, electricity Department of Quality Supervision and Inspection Ministry of Railways, etc., at the same time with the import, export and international standards certificates, some products to apply for patents.

本厂专业从事吊索具生产，主要生产复合吊装绳成套索具、高强纤维吊装带、起重链条成套索具、引纸绳、注塑绳、软梯、登山梯、全封闭绳梯、安全带、安全网、吊钳、吊钩及其他起重附件，拥有国际先进的生产设备和检测手段，技术力量雄厚，完善的质量管理体系，产品取得生产许可证，劳动防护用品合格证书，通过农业部，电力部，铁道部等质量监督检测，同时具备进出口和国际标准证书，部分产品申请专利。

In this tectonic setting, the special sedimentary environment and regional magmatism as well as tectonic force are the main factors which control the regional metallogenesis .

活动陆缘区特殊的沉积环境、区域岩浆活动及构造变形动力等作用，构成了区域矿产形成的主要背景和控制因素，从而使不同类型和元素组成的矿床得以形成，并表现区域成矿的总体分带规律。

Study shows that compaction and cementation can play a destructive role in Suining formation reservoir,while dissolution and fracturing can play a constructive role in that.The main facies of Suining formation are ferruginous-shale film,anhydrite,dolomite and calcite.The micro-fracture and grain-edged fracture mainly resulted from compaction fracturing,compaction slipping and tectonic dynamic force greatly improve the reservoir permeability.

研究表明：①对遂宁组储层起破坏作用的是压实作用、胶结作用和交代作用，而溶蚀作用、压裂作用则对储层起到建设性作用；②遂宁组最主要的成岩相组合为铁泥膜－硬石膏－白云石－方解石成岩相；③由压实破裂、压实滑动和构造动力形成的微裂缝、粒缘缝有效改善了储层的渗透性。

The control load of determining the reliability of breakwaters is the breaking wave force on it. The research on breaking wave is the main task of the relation between waves and buildings.

破碎波对防波堤的作用力是确定防波堤安全可靠度的控制荷载，对破碎波作用力的研究一直是波浪与建筑物相互作用的重要课题。

The force on the jet pipe in the hole jetted is analyzed, and it is indicated that the resistance on the jet pipe is the main factor influencing the feeding of jet pipe.

分析了喷管在喷孔内的受力，指出喷管在喷孔内所受的阻力是影响喷管送进的主要因素，据此调节喷管送进控制液缸控制腔的压力可控制送进速度和限制最大推力。

Our main products are Guar Gum powder,madified Guar Gum powder. The company possesses ample technical force and advanced producing technology.

我公司主要以经营瓜尔豆胶原粉和生产通过对原粉进行化学改性的羟丙基瓜尔胶系列产品为主。

The main research contents are as follows:1. Through massive calculation, analysis and comparison, sum up the similarities and differences between the special-shaped cross sections and rectangular cross sections in mechanical features, between reinforced concrete special-shaped columns and rectangular columns in load-bearing capacity, ductility performance and provide necessary basic concepts and data for further understanding the characteristics of the special-shaped columns;2. Through massive elastic calculations and elasto-plastic analysis, under the preconditions of satisfying the code's requirements for axial compression ratio, limit value of lateral displacement and load-bearing capacity of normal section,oblique section and beam-column joint, under circumstances of different intensity of earthquake, structure dead weight, sort of site and column grid bay dimension, the variation regularity of maximum suitable height of structure, and thus sum up the maximum suitable height of structure for code for the purpose of macro-control while deciding the design scheme;3. Make a preliminary study on the stress feature of reinforced concrete special-shaped column and Z-shaped column of which the ratio of limb length to limb thickness is between 4~5 ,and the preliminary design method is suggested;4. Through elato-plastic time history dynamic analysis of typical projects, check up the weak storey of the special-shaped column structure and yielding, breaking and collapse mechanism to satisfy the earthquake resistant requirement to buildings of remaining stand under strong earthquake;5. Derive for project use simplified calculation formula of vibration period, suitable vibration period, suitable rigidity of special-shaped column structure through theoretical analysis, and provide an easy and practical method for deciding the structure scheme economically, safely and reasonably;6. Based on the study achievements in theory and massive analysis and calculations of this paper, sum up the regularities of inner force, deformation of special-shaped column structure and seismic conceptual design, and thus the suggection of seismic design of special-shaped column structures is presented.

本文研究的主要内容如下：通过大量的计算、分析和对比，总结出异形截面与矩形截面在力学特性、钢筋混凝土异形截面柱与矩形截面柱在承载能力、延性性能等方面的异同，为深入了解异形截面柱的特点提供必要的基本概念和数据；通过大量的弹性及弹塑性计算分析，在满足规程对轴压比、侧移限值及正截面、斜截面、节点承载力抗震验算要求的前提下，在不同抗震设防烈度、结构自重、场地类别及柱网开间尺寸情况下最大适宜高度的变化规律，并在此基础上总结归纳出异形柱结构的最大适用高度规定，可用于规程，以便于在确定方案时起到宏观控制的作用；对肢长与肢厚比在4～5的钢筋混凝土异形截面柱及Z形柱的受力特点进行初步探讨，提出初步的设计方法；通过对典型工程的弹塑性动力时程分析，检验异形柱结构的薄弱层及屈服、破坏、倒塌机制，以达到建筑物大震不倒的抗震设防要求；通过理论分析，推导出异形柱结构自振周期，以及适宜自振周期、适宜刚度的工程实用简化计算公式，为经济、安全、合理地确定结构方案提供简便实用的方法；在本文理论分析、计算以及大量的研究成果基础上，总结归纳出异形柱结构内力、变形的规律及抗震概念设计内容，并在此基础上提出异形柱结构的抗震设计建议。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。