The report said 60% of wildlife sites were now receiving a critical load of reactive nitrogen.
报告说60%的野生生物生境正在接收着大负荷的活性氮。
Through the rock mass test, the linear relationship between critical load of the probe and its corresponding rock compressive strength is regressed.
通过岩块试验回归了探针的临界载荷和所对应的岩石单轴抗压强度之间的关系。
Analyzing all kinds of the calculating methods for critical load of the structure stability by using the energy method.
分析了基于能量法的结构稳定临界荷载计算的各种方法。
Critical load of nutrient nitrogen deposition for surface water is the highest nitrogen deposition never causing water eutrophication.
水体营养氮沉降临界负荷是不致使水体产生富营养化的最高氮沉降量。
The effect of discrete degree of node location imperfection on the critical load of spatial grid structure was studied through the parameter analysis of deviation discrete degree.
通过关于偏差离散度的参数分析方法,研究节点位置缺陷变离散度对空间网格结构临界荷载的影响规律。
Physically, this means that the equilibrium configuration of HDAJ spliced pile must occur branches at a critical load and it changes from a stable equilibrium state to other stable equilibrium state.
物理上,这表示HDAJ接头桩的平衡构形在临界载荷处必然发生改变,并且从一个稳定的平衡构形变化到另一个稳定的平衡构形。
The results show that opening point, opening angle, maximal tangential stress and critical load vary with aspect ratio and inclined angle. The most dangerous inclined angle is obtained accordingly.
结果表明,开裂点、开裂角、最大切向拉应力和临界载荷随椭圆的纵横轴比和倾角的不同而变化,由此可得到最危险的倾角。
In this paper, on the basis of non linear analysis of the flexible pier's critical load, the influence of nonlinear phase displacement of pier top on pier's stability is discussed.
轻型桥墩是桥梁工程中常用到的一种桥墩,本文利用柔性墩失稳临界荷载非线性分析原理,分析了墩顶位移在非线性阶段对桥墩稳定性的影响。
According to the principle of equivalent stiffness, we analyze the stability of the whole pipe, and thereby get a theory formula of the critical load of the whole pipe.
根据刚度等效的原则,将井管整体进行稳定性分析,并得到井管整体稳定性临界荷载的理论计算公式。
The dynamic buckling modes, the critical load parameter and the dynamic characteristic parameter are calculated accurately on the basis of the solutions of the characteristic equations.
基于特征方程的解,精确地计算出临界载荷参数和动力特征参数的值以及动力失稳模态。
This chapter indicates buckling modes, critical load and equilibrium path of plate under axial compression and shear load.
介绍板在单向压缩和剪切载荷作用下的屈曲模态、临界载荷和平衡路径。
We select Polynomial as the flexural function and obtain an analytical formula for calculating the critical load.
选取多项式作为试函数,得到了计算临界载荷的解析公式。
Based on the maximal tension stress theory, formulae of maximal tangential stress and critical load are presented.
根据最大拉应力理论,给出了最大切向拉应力和临界载荷公式。
Stresses in beam and critical load of column with cubic constitutive equation is solved. The stresses and stability behavior of columns is discussed.
本文分析求解了具有三阶本构关系材料梁的应力和柱的临界载荷,并对其应力特性和稳定特性作了探讨。
Critical load is mainly determined by the number of receiving and departure track and coefficient of variation of hump-working time.
临界负荷主要取决于到发线数量和驼峰作业时间变异系数。
The critical load of failure is an important index for the comprehensive performance of coating-substrate systems.
评价膜-基体系的综合性能的重要指标是其失效的临界载荷。
Second, Simulating experiment condition, putting constraint on boundary of model, changing entity model to finite element model and using buckled analysis to calculate the CD critical load.
第二步,模拟实验条件,对模型施加边界约束,把实体模型转换为有限元的数学模型,并利用屈曲分析,对瓦楞纸板竖向边压的临界载荷进行计算。
The results show that the dynamic instability critical load of the imperfection structure is different from that of a perfection structure.
研究表明,初始缺陷对结构动力稳定临界荷载有影响,并且初始缺陷对不同矢跨比的结构影响不同。
The critical load and natural frequency of rhombus plates with simply supported at all edges are calculated.
作为算例计算了四边简支菱形板的自振频率和临界载荷。
This paper presents the multiple substitution approaches to determine the critical load of the derrick being loaded complicatedly.
文中提出了多重迭代法以确定井架受复杂载荷时的临界载荷。
The critical load and critical stress were deduced by means of energy principle and catastrophe theory based on these conditions, and the buckling model of pillar was presented.
在此基础上,应用能量原理及突变理论推导矿柱失稳的临界载荷及临界应力,提出矿柱发生失稳的屈曲模型。
To analyzed the single-layer reticulated domes of difference ratios of height to span and discover that the increment of the ratios of height to span, dynamic stability critical load decreases.
对不同矢跨比的单层球面网壳结构进行了分析,发现随着矢跨比的增大,动力稳定临界荷载减小。
Under the second critical load, the regions, where the three criteria are satisfied, are overlapped each other and cleavage crack is nucleated and propagates.
在第二个临界载荷下,三个判据都满足的区域相互重叠,解理裂纹形核并扩展。
Making use of equivalent principle of second order effect, the load on middle stories is converted into that at top and the approximate formula for the critical load of the system is suggested.
利用二阶效应等效的原则,提出将中间层荷载等效为柱顶荷载的近似折减方法,提出结构稳定承载力的近似公式。
By solving its stability different ial equation using Kayleighs quotient, the critical load calculation method for this type of paling acted on combined load was proposed.
应用瑞利商求解其倾覆稳定微分方程,给出了组合荷载作用时栅条稳定临界荷载计算方法。
When elastoplastic theory is used to analyses the brick wall with cracks bearing weight of water box on the roof of a building, a critical load formula is derived.
应用弹塑性理论分析屋面水箱的含裂缝承重墙体,得到临界荷载的计算公式,计算出的临界荷载远此砖砌体的局部抗压强度低。
The equation for calculating the lateral buckling critical load by using the energy method is deduced, and an approximate solution is given.
推导了用能量法计算侧向屈曲临界载荷的计算式,并给出了近似解。
With the critical load, the residual fatigue strength after low amplitude load strengthening and the region for the optimal strengthening load of transmission gears are estimated.
应用该方法,从临界载荷估算出了传动系齿轮最佳强化载荷出现的区域及其经受低载强化后的剩余疲劳强度。
A method to calculate the critical load of nutrient nitrogen deposition was proposed in the paper according to the nitrogen mass balance within the lake catchment.
文中探讨了一种依据湖泊氮质量平衡原理计算营养氮沉降临界负荷的方法。
A method to calculate the critical load of nutrient nitrogen deposition was proposed in the paper according to the nitrogen mass balance within the lake catchment.
文中探讨了一种依据湖泊氮质量平衡原理计算营养氮沉降临界负荷的方法。
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