|
In this paper, based on the theory of EHL (Elasto-hydrodynamic Lubrication), a study is conducted to investigate the impacts of geared factors (including gear speed ratio, gear teeth modulus and center distance) on the lubrication behavior of gearing, and
|
|
|
应用弹性流体动力润滑理论，计算分析了传动比、模数及中心距等齿轮参数对齿轮副润滑性能的影响，得出了一些有益的结论。 |
|
In this paper, based on the theory of extenics, the matter-element model for the stability evaluation of stope roof of the underground mine is established and the stability of No. 92 orebody in TongKeng mine of DaChang is evaluated.
|
|
|
利用该理论建立了地下矿山采场顶板稳定性评价的物元模型，对大厂铜坑矿92号矿体实际采场顶板稳定性进行了评价。 |
|
In this paper, based on the tide, tidal current and ocean wave numerical computing techniques and the constructive method of seabed terrain model, the fusion and visualization of multiple digital marine geographic environmental information for the nearsho
|
|
|
摘要以潮汐、潮流和海浪数值的计算技术和数字海底地形模型的构造方法为基础，应用层次细节模型和三维渲染技术，完成了近岸海洋环境保障的多种数字海洋地理环境信息的融合与可视化的局部实现，为今后此领域的研究提供了理论和经验基础。 |
|
In this paper, based on track irregularity spectrum and time delay between axles, control laws of railway vehicle secondary active suspension are designed according to optimal control theory, and simulated on a vertical railway vehicle model.
|
|
|
摘要针对铁道车辆二系主动悬挂，考虑了轨道不平顺谱及轮轴时延的输入；依据最优控制理论，设计了整车的主动悬挂控制规律，并在整车垂向动力学模型上进行了仿真分析。 |
|
In this paper, based on virtual prototype of workspace determination for parallel manipulator, a new method is put forward and analysed.
|
|
|
摘要提出了基于虚拟样机的并联机器人工作空间的求解方法，分析了其实现过程。 |
|
In this paper, basic transmission modes of electro-magnetic wave are discussed, the features for three transmission methods namely solenoidal, toroidal and direct coupled are analyzed in comparison.
|
|
|
概述了电磁波发射传输的基本方式，对比分析了螺线管发射、环形线圈偶合与直接偶合方法的特点。 |
|
In this paper, bioremediation technology of contaminated soil with organic pollutants was summarized, which were technologies of the microorganism remediation, the phytoremediation and the mycorrhiza remediation for contaminated soil, the future developme
|
|
|
摘要综述了有机污染土壤生物修复的三种技术，即微生物修复技术、植物修复技术、菌根生物修复技术及其研究现状，并展望了这三种生物修复技术今后的研究方向，如利用表面活性剂提高植物修复效率时，应考虑其最佳使用量；加强研究根分泌物在植物修复土壤污染中的作用；进行植物－微生物联合体筛选技术研究；筛选促进污染物降解的优良菌根菌种等。 |
|
In this paper, by constructing a special cone and using Krasnoselskii fixed point theorem, the existence of two positive unbounded solutions of infinite boundary value problem of a class of nonlinear second order differential equation is proved.
|
|
|
摘要本文通过构造一个特殊的锥，利用锥拉压不动点定理，证明了一类非线性二阶微分方程无穷边值问题的两个正无界解的存在性。 |
|
In this paper, by estimates of spectral of an integral operator, the authors give a theorem on the existence of solutions for first order differential difference equations with boundary condition.
|
|
|
摘要通过对积分算子谱的估计，作者给出了一阶线性微分差分方程在边值条件下解的存在唯一性定理。 |
|
In this paper, by explored geo-physico-chemical prospecting method for looking for oil in prior prospect, the authors summarize a suit of prospective technique and program, which is valid to oil-geology trait of Zhidan area and composed of; oil gas geo-ch
|
|
|
通过勘探早期地质物化探综合找油方法实验，笔者总结了一套适合志丹探区石油地质特点的勘探方法组合和勘探程序：油气地球化学勘探（酸解烃、吸附烃、荧光光谱、紫外光谱、甲烷碳同位素、蚀变碳酸岩）→化探圈定的有利勘探区进行非地震物探（自然电位、伽玛能谱、高精度磁测、土壤测氧）→物探圈定的异常区进行电阻率测深勘探→地质物化探成果综合评价。 |
|
In this paper, by means of macro-morphology inspection, chemical composition analysis, microstructure examiation, mechanical property testing and X-rays diffraction analysis, the fractured bolt and random sample bolt were analyzed.
|
|
|
摘要采用断口宏观形貌观察、化学成分分析、显微组织检验、力学性能则试及腐蚀产物的X射线衍射分析等手段，对断裂与部分抽检的卡瓦螺栓进行了综合试验分析。 |
