The calculation of water surface evaporation in the channel and reserviors in the past are according to the observation and measurement of clear and static water in evaporation pan over ground, and what is concerned about the calculation is if it leads to some big error.
以往在计算黄河河道和水库水面蒸发时,都是根据陆地蒸发器观测的清水静水水面蒸发来计算的,这样计算是否会产生较大的误差,一直是大家关心的问题,目前有关动水水面蒸发的研究还很少。
Mutagenesis of rhodotorula glutinis by high hydrostatic pressure and medium optimization for β-carotene fermentation;
黏红酵母高静水压诱变及其β-胡萝卜素发酵培养基的优化
Study on high hydrostatic pressure treatment of G. lucidum Kars and its laccase fermentation;
灵芝高静水压诱变及其漆酶发酵的研究
The design and high hydrostatic pressure analysis of flexural head tonpilz transducer;
纵弯耦合宽带换能器设计及高静水压实验分析
Their relative permittivity was measured in detail under hydrostatic pressure from 0.
选用分子量为 5 0 0万的聚氧化乙烯和无水溴化铜 ,通过混溶蒸发法制备出一系列高聚物P(EO) n CuBr2 (n =4 ,8,12 ,16,2 4 )薄膜 ,并在 0 1~ 2 4 4 3MPa范围不同的静水压下详细测量了它们的相对介电常数。
In this paper,utilizing the model of variational microstructures of the crystal and variational electric dipole moments of the ligands,we study the hydrostatic pressure dependence of EPR parameter a of6 State for CaCO3:Mn2+ crystals.
本文采用晶体微观结构、电偶极矩均随静水压力变化的模型,满意地解释了掺杂晶体CaCO3:Mn~(2+)中~6S态离子零场分裂立方分量a及其随静水压变化的关系。
The result indicates that the main reason for the leaky fracture formation is not the stress caused by the hydrostatic pressure of greatly high storaged water,but the going up of pore pressure to a limit value in rock and soil body under certainly high storaged water.
从岩土力学的角度对水库蓄水后坝基和坝体形成渗漏裂缝的机理进行了理论计算和对比,结果表明,大高度蓄水静水压产生的附加应力并不是形成渗漏裂缝的主要因素,而一定高度蓄水引起岩土体内孔隙压升高到极限值才是产生破坏性裂缝、形成渗漏的主要原因。
Bending of thick rectangular plates with adjacent simply supported andtwo-fixed edges under hydrostatic pressure;
复杂边界厚矩形板在静水压力作用下的弯曲
In this paper, reciprocal theorem method (RTM) is generalized to solve the problem of bending of thick rectangular plates under hydrostatic pressure based on Reissner's theory.
应用功的互等法(RTM)求解基于Reissner理论的厚矩形板的弯曲问题,给出了三边简支一边固定厚矩形板在静水压力作用下弯曲的封闭解析解,并给出了该种情况下的曲线图。
Taking the hydrostatic pressure together with the deviatoric stress into consideration, the critical criterions of phase transformation have been established for “stress induced” and “strain induced” phase transitions.
同时考虑静水压力和偏应力的影响,分别建立了“应力诱发”和“形变诱发”相变的临界准则。
The simple relationship betWeen ω, βand the hydrostatic stress by using theory of slip line field was gained.
通过对滑移线场分析,得出静水应力与ω,β的简单关系式。
It is pointed out that hydrostatic stress has effects upon shear slip as well as original strength of material, and a shear strength formula is obtained which takes into account the influence of intermediate principal stress on shear strength.
指出静水应力不仅对材料固有强度,而且对剪切滑移也有影响,从而得到了一个计及中间主应力影响的剪切强度公式。