The expressions of load, displacement, stress and residual stress distribution for hole cold_extrusion process are established by using elastic_plastic theory.
利用弹塑性理论建立了孔冷挤压的载荷、位移、应力以及残余应力分布表达式;
The results show that the stress and strain distribution around the cold worked hole are similar between the model and real object.
结果表明:带衬套挤压和不带衬套冷挤压时孔边载荷的分布,模型材料与原型实际挤压结果相似;
According to the distribution of potential, electron and hole in the BNRT at different stages, the mechanism inducing S-type negative resistance characteristics is explained.
根据BNRT不同工作状态下的内部电势、电子浓度和空穴浓度分布,解释了其S型负阻特性的产生机理。
The nonuniform node distribution strategy can be used to mitigate the energy hole problem in wireless sensor networks.
节点非均匀分布策略能缓解无线传感器网络中的能量空洞问题。
The result shows that adsorption and desorption performance of Benzene vapour by activated carbon are related to the specific surface, hole volume, hole diameter and distribution of hole.
结果表明:苯蒸汽在活性炭上的吸脱附性能明显与吸附剂的比表面、孔容、孔径与孔径分布直接相关。
The rule of reservoir pressure distribution and bottom hole flowing pressure alteration of a periodic trial-produce well in infinity subterranean formation.
无限大地层中—口间歇试采生产井的地层压力分布及井底流压变化规律;
In order to strengthen anti fatigue of cold worked hole, it is necessary to control the magnitude and distribution of the surface residual stress and strain.
为了使冷挤压孔真正起到抗疲劳增寿效果,有效控制孔表面残余应力大小及其分布是至关重要的。
The results show that the homogeneous stress and strain profiles can be obtained by adjusting the distribution of hole for a given number of holes on the surface of the reinforcement.
结果表明,孔隙率不变的情况下改变增强体上孔排布方式,可以获得均匀分布的的表面应力和应变;
The calculations show that equilibrium distribution of the molecules in the source of molecular ray is not influenced as only a few molecules effuse from an enough small hole.
研究表明,在小孔足够小时,少量分子的逸出对分子射线源中气体分子平衡分布的影响几乎可以忽略。
Furthermore, the contact finite element was adopted to gain the accurate distribution of strength in the subassembly with the interference between the axle hole and the shaft.
另外,还采用接触单元对孔轴过盈配合联接组件进行了有限元分析,得到更为精确的强度分布。
This model can be used to predict the inflow profile of arbitrary lateral hole and the pressure distribution inner hole and around hole.
该模型能用于预测任意分支井的流入剖面和井筒内及井筒周围的压力分布。
According to the features of dam temperature field under seepage or leakage conditions and evaluate the influence factors of temperature distribution of drill hole are evaluated.
从渗流和渗漏情况下堤坝温度场特征、温度场示踪基本原理,分析了影响钻孔温度分布的因素。
The paper introduces the rock blasting technology and 3 kinds of blast hole distribution suitable to different rock, and its remarkable application effect in practice.
文章介绍了针对不同矿岩条件进行的凿岩爆破工艺及3种典型布孔方法,并在实践中加以调整运用,取得了显著成效。
In addition, the size distribution room ventilation hole performance, lighting performance, kitchen layout, with pipelines, storage space must have reasonable.
另外,房间的面积分配、通风透气性能、采光性能、厨卫布置安排、管线配合、储藏空间等都要具有合理性。
Furthermore, as for the fork blade roots, a simplified contact model is put forward and according to the calculation results, a more reasonable pin-hole load distribution model is given in this paper.
另外,对叉型叶根,文中提出了一种简化的接触模型,并根据计算结果给出更合理的销钉孔载荷分布拟合公式。
Based on it, the elastic wave velocity spatial distribution around a cased hole in tectonic stress field is studied by applying the velocity-stress formula of equivalent medium model.
在此基础之上,应用等效介质模型的速度—应力关系式,研究了地应力场中套管井周弹性波速的空间分布规律。
On the longitudinal hole reservoir distribution has better layers, D accumulation ability is best;
纵向上孔隙储层分布具成层性,D层的储集能力最好;
The general occurrence and distribution of internal surface hollow and hole defect of hot continuous rolled seamless tube are introduced.
介绍了热连轧无缝钢管内表面凹坑、孔洞缺陷的基本形式和分布规律。
The algorithm of solving 2d inverse scattering in time domain using maximum entropy is Proposed for reconstructing the velocity distribution in Corss-hole, VSP and SRP imaging system.
用最大熵求解二维时域逆散射问题的层析成像算法反演井间、VSP和SRP中的二维介质波速分布。
Study on the spatial distribution of entering tree hole and emergence hole of Apriona swainsoni Hope on the Sophora japonica;
调查了外秦淮河两岸垂柳上光肩星天牛羽化孔、排粪孔的分布情况。
The stress relief method of hole diameter deformation was used to measure the stress distribution of the pillar structure in the mined area in a big phosphate mine.
采用孔径变形应力解除法,测量了某大型磷矿采空区中矿柱结构的应力分布规律;
Then, the design basis and principle about precipitation well distribution, the design and arrangement of well hole plane, the structure design and the construction method are clarified in detail.
阐述了降水井布设的设计依据与原则,井孔平面布设与结构设计及其施工方法。
Relations of hole diameter, distance between adjacent holes, and flow volume of trunk to distribution of flow volume were discussed.
讨论了孔径、孔间距、总管流量与流量均布的关系。
The single-hole casting blast experiment was conducted in lab. The formation process of blasting crater was observed and the casting velocity and its distribution rule was analyzed.
在实验室进行了单孔抛掷爆破试验,观测了台阶爆破漏斗形成过程,分析了抛掷速度及分布规律。
We drew the conclusion that the frequency distribution of the non-thermal radiation from a general spherically-symmetric and charged evaporating black hole depended on the time.
研究一般球对称带电蒸发黑洞视界附近粒子的能级交错,给出交错能级最大值的表达式,得出一般球对称带电蒸发黑洞非热辐射频率范围是随时间变化的结论。
Who can sent me a variety of transfer of the 10-hole harmonica notes distribution. Preferably under the pressure of the kind of audio description, Thank you for your help!
谁能发给我各种调的10孔口琴的音节分布图,最好有那种底下有压音提示的那种,谢谢你们的帮助!
Who can sent me a variety of transfer of the 10-hole harmonica notes distribution. Preferably under the pressure of the kind of audio description, Thank you for your help!
谁能发给我各种调的10孔口琴的音节分布图,最好有那种底下有压音提示的那种,谢谢你们的帮助!
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