|
Abstract: According to the current situation of Ningbo, the author proposes the development goal, the guideline and the keystone in construction for the three contents of the modern distribution, emphasizing that solid foundation should be laid from four
|
|
|
摘要：根据宁波市的实际情况，对发展现代流通方式的三个内容，分别提出了发展目标、指导思想和建设重点，还提出了必须从四个方面打牢基础。 |
|
Abstract: According to the daga of crops yield and soil fertility changes of long term application of fertilizer and nutrients recycling obtained from ecological stations scatrtered in four typical areas under Chinese Academy of Sciences and State Miniset
|
|
|
文摘:根据中国科学院和国家科技部分布于四大类型地区的生态站进行的长期施肥及养分循环再利用的作物产量、土壤肥力质量变化研究数据，提出了黑土区农业系统投料中有机碳和磷、氮在饲养——堆腐过程中的循环率。 |
|
Abstract: According to the deep analysis of the typical punching process, the loading charts and the amplitude-frequency curves of straight side CNC turret press frame are obtained.In the end the dynamic response of a typical process is calculated using m
|
|
|
文摘:根据板料冲裁时的工作负荷图确定了数控回转头压力机的动载荷谱,并通过傅立叶展开,获得了压力机的幅频谱,最后通过MARC软件采用模态叠加法计算了典型冲裁时机身的动态响应,分析了其动态特性,并对特征点的动静态应力进行了比较。 |
|
Abstract: According to the demand to environment protection currently,Making deep purification test on the slurry water in Wangfenggang Coal Cleaning Plant,then conducting further the commercial test of this plant by lab test in order to control the disch
|
|
|
文摘:根据当前环境保护的要求，对望峰岗选煤厂的煤泥水进行深度净化试验，通过实验室试验进一步指导该厂工业性试验，以达到控制污水排放的目的。 |
|
Abstract: According to the dynamic demand of main shaft system,the structural dynamic modification method is used for correcting the stiffness of the supportings member and joints,so that the dynamic characteristic of main shaft system should meet the nee
|
|
|
文摘:根据细纱机主轴系统的动特性要求,应用结构动力学修改方法来修正支承和联轴节单元的刚度,以使主轴系统的动特性满足设计要求.根据修正过的支承和联轴节的刚度,一个弹性支承和弹性联轴节的实际结构已经被设计出.比较具有弹性支承和弹性联轴节的主轴系统的数字仿真与设计要求.其一致性证明了SDM方法的有效性和设计方法的正确性. |
|
Abstract: According to the field investigations and theorectical analysis,this paper analyses the advantages and disadvantages among the main assessment methods for mine ventilation system,points out several problems of 《Appraisal target for ventilation s
|
|
|
文摘:分析了几种常见的矿井通风系统评价方法在使用中的利弊，指出了《冶金矿山矿井通风系统鉴定指标》中某些指标的缺陷，提出了修改意见，并根据国内冶金矿山的实际情况，制定出了相应的评价标准与方法。 |
|
Abstract: According to the fragment warhead of the missile,we propose dynamic characteristic of fragment dispersion in different reference frames,calculate dynamic distributing density function in earth reference frame and missile reference frame,and poin
|
|
|
文摘:以某型防空导弹的破片杀伤式战斗部为例，分析了在不同坐标系中的破片动态飞散特性，分别计算出在地面坐标系和弹体坐标系中破片的动态飞散密度函数，指出在不同的坐标系中战斗部的飞散区和飞散密度不同。 |
|
Abstract: According to the general development trendency of the foundry technology and the recent research progreses of coating, developing trend of the sand mould coating is discussed in respects of the types, properties and quality control of the coatin
|
|
|
文摘:根据铸造技术总的发展趋势及涂料的最新研究进展，从未来涂料的品种、性能、涂敷方式及品质控制等几个方面论述了砂型铸造涂料的发展趋势。 |
|
Abstract: According to the medical insurance system and practice about workers with flexible job in Chang Zhou, starting with the participant policy of workers with flexible job, the paper puts forward the extrusive problems and main difficulties in the p
|
|
|
摘要:本文以常州市灵活就业人员医疗保险制度与实施方法为实践依据，从灵活就业人员参保政策入手，提出了灵活就业人员参保工作中的突出问题和主要难点，并提出了下一步完善这项制度的对策和建议。 |
|
Abstract: According to the openness of process planning knowledge base,this paper proposes a hierarchy knowledge base model based on open structure.
|
|
|
文摘:根据工艺设计知识库的开放性要求，提出了一个基于开放式结构的层次化知识库模型。 |
|
Abstract: According to the probability fracture mechanics,distribution characters of some parameters related presure vessel and allowance failure probability are discussed in the paper,and then the probability calculation method of pressure vessel is anal
|
|
|
文摘:应用概率断裂力学的观点，讨论了压力容器各有关参数的分布特点及允许的失效概率，分析了材料韧性为两种不同分布时压力容器可靠性计算方法，说明了进行压力容器失效概率分析是全面评价压力容器的方法之一。 |
