然而向新型复制因子的这种转移可能会是一个危险的临界点。
Yet this shift to a new replicator may be a dangerous tipping point.
应力腐蚀临界应力强度因子的测试方法是基于线弹性继裂力学理论和应力腐蚀理论提出的一种新的测试方法。
A new method of testing the critical stress intensity factor for stress corrosion cracking based on linear-elastic fracture mechanics theory and stress corrosion cracking theory was put forward.
介绍纯物质特性参数包括临界常数、偏心因子和势能常数的计算方法。
Calculation method of characteristic parameters for pure substance, such as critical constant, centric factor, and constants of potential energy are put forward.
文中讨论了临界应力强度因子的厚度效应并给出了一个定量关系式。
Tile thickness effect on critical stress-intensity factor in plane stress is discussed, and a quantitative formula is also suggested in this paper.
测土配方施肥中,还应注意:土壤障碍因子、某种元素临界法与供应强度,肥料利用率等问题。
The soil obstacle factor, the critical values of some nutrients and the supply intensity, as well as fertilizer efficiency should be paid more attention in formula fertilization by soil testing.
给出了临界计算所要求的,得自静态反应堆物理的四因子公式。
The four-factor formula obtained in the static reactor physics is given for critical calculation.
给出了脱层屈曲临界载荷、挠度曲线与脱层半径、搭桥因子等的封闭关系式。
The closed form solutions of the critical load and the deflection contour of the delamination buckling decided by delamination radius, and the bridging factor are obtained.
临界压力与临界温度一起用来确定流体存在的状态(液体或气体),并用来计算压缩因子。
Critical pressure is used along with critical temperature to determine the state in which a fluid exists (liquid or gas) and to calculate compressibility factors.
根据贝叶斯判别准则,确定了两类蝗区夏蝗大发生关键气象因子的最佳临界距平值;
According to Bayesian rule, the best critical departure from normal value of the key meteorological factors for the outbreak of summer locust was determined by two kinds of ecological area.
根据试验结果,得到了花岗岩亚临界裂纹扩展速度与应力强度因子之间的关系和花岗岩的断裂韧度。
Based on testing results, the relationship between velocity of granite subcritical crack growth and stress intensity factor, and the fracture toughness are obtained respectively.
该文中简单的介绍了基于VB环境的标记法、临界值判断法、函数法以及因子法的解题方法及它们各自的特点。
In a straightforward way, this paper introduce the solution and each characteristic of marker methods, function methods, threshold methods and factorial methods based on VB environment.
理论分析表明,采用损耗因子在0.1至0.4之间的常用的橡胶O型圈,即可极大地降低一阶临界振动响应。
Theoretical results showed that EORD, using general elastomer O-rings with loss-factor between 0.1 and 0.4, was enough to reduce first critical response vibrations of the experimental rotor system.
一个双因子临界图是一个砖块 ,如果它是3-连通的 。
裂隙中的粘土充填物在地下水物理、化学的作用下,力学性能不断弱化,使岩体裂隙的临界应力强度因子不断降低,裂隙扩展具有时间效应,导致底板裂隙的滞后突水。
The mechanic capability of the crevice clay filling falls because the physiology and chemistry of the groundwater, which lags the crevice spreading and leads to the lagging floor water bursting.
平面应变断裂韧性(KIc):平面应变条件下应力强度因子的临界值(即达到该值时裂纹发生扩展)。
Plane strain fracture toughness (KIc). The critical value of the stress intensity factor (i. e., at which crack propagation occurs) for the condition of plane strain.
根据试验结果,得到了花岗岩亚临界裂纹扩展速度与应力强度因子之间的关系和花岗岩的断裂韧度。
Based on testing results, the relationship between velocity of granite subcritical crack growth and stress intensity factor, and the fracture toughness are obtained respectively. Du...
本文研究ID-因子临界图的度和条件,得到使得图G是ID-因子临界图的任意两个不相邻的顶点的度和的下界,同时说明这些结果是最好可能的。
Degree sum conditions of ID-factor-critical graphs are studied. A lower bound for the degree sum of any two nonadjacent vertices such that G is ID-factor-critical is obtained, and the bound is sharp.
同时发现《飞机设计手册》中薄板受某线性载荷作用时的临界载荷因子不够精确。
It is found that some buckling loads listed in the "Aircraft Design Manual" are inaccurate for one case of plates subjected to linearly distributed loadings.
断裂韧度(Kc):发生裂纹扩展时应力强度因子的临界值。
Fracture toughness (Kc). Critical value of the stress intensity factor for which crack extension occurs.
断裂韧度(Kc):发生裂纹扩展时应力强度因子的临界值。
Fracture toughness (Kc). Critical value of the stress intensity factor for which crack extension occurs.
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