联合作用

According to study the effect of EDTA, tartaric acid and the associative action of EDTA and tartaric acid on Cu and Pb releasing from soil through batch experiments.

通过室内模拟实验，比较研究EDTA、酒石酸和EDTA与酒石酸的联合作用对污染土壤中的重金属Cu、Pb的释放影响。

Cracking due to the combination of tensile stress and corrosion in the presence of water and chlorides.

在存在水和氯化物的情况下及耐压强度和侵蚀的联合作用下发生的开裂。

The nonlinear dynamic system with quadratic and cubic nonlinearities is obtained by applying mathematical transformation to the equation.

基於Karman方程的动态比拟，运用Galerkin法，选用合适的正交函数将控制薄板振动的偏微分方程离散化为常微分方程，得到一带有平方和立方非线性的参数激励和外激励联合作用的非线性动力学系统。

Trichloroethylene and noise ; Occupational contact crowd ; Hearing impairment ; Joint effects

三氯乙烯与噪声；职业接触人群；听力损害；联合作用

Data were made analysis of the unvaried and multivariate and combined effect.

分析整理资料，应用logistic回归模型进行单因素、多因素分析及因素间的联合作用分析。

By using static equilibrium law, nonlinear buckle behavior of string in deep well has been researched. In comprehensive consideration of gravity, contact force of borehole wall, axial friction and tangential friction of borehole wall on the string, pressure and viscous resistance of fluid outside of and inside of a string, differential equation of buckle has been established, which amended computational model of axial load on a string.

应用静力平衡法对深井注入管柱的非线性屈曲行为进行了研究，建立了综合考虑重力、井壁支反力、井壁对管柱的轴向摩擦力和切向摩擦力及管柱内、外流体压力和粘滞阻力联合作用下的屈曲微分方程，对注入管柱的屈曲变形及弯曲附加应力等后屈曲行为进行分析，修正了管柱轴向载荷计算模型。

So karst vegetation is charactered by Petrophile, Xerophile and Calciphihe in those areas where soil cover is very thin, and the underground drainage system is well developed. The running of karst ecosystem is controlled by two subsystems, which are karst dynamic system in inorganic life and genetic information transmitting system in organic life.

岩溶生态系统的运行受到两个子系统的联合作用驱动，即无机方面的"岩溶动力系统"和生命方面的"遗传信息传递系统"，但主要受以碳、水、钙循环为中心的岩溶动力系统的控制。

In this paper, juvenile Amur sturgeon was targeted and set different levels of salinity, pH and capture time, we investigated the regulations of acute salinity stress, chronic salinity, pH and capture stress on growth performance and physiological system of Amur sturgeon, Acipenser schrenckii.

本研究以施氏鲟稚鱼和幼鱼为对象，设定不同盐度水平、pH范围和捕捞时间，完成了急性盐度胁迫、慢性盐度和pH联合作用以及慢性盐度胁迫下急性捕捞胁迫对施氏鲟血液生理、生化、生长、免疫等部分指标的测定。

Physiological indexes of Agrostis stolonifera and Festuca arundinacea influenced by soil pollution of Cu and Pb were investigated.

研究了土壤中不同浓度Cu、Pb及其联合作用对翦股颖和高羊茅生理指标的影响。

Greenhouse pot experiments were conducted to evaluate the joint effect of nicosulfuron + mesotrione and nicosulfuron + cyanazine against Amaranthus retroflexus L.

通过温室盆栽试验，采用Gowing法评价了烟嘧磺隆分别与硝磺草酮、氰草津混用对反枝苋、马唐的联合作用。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。