The action of any anesthetics within the body is due to two factors : its physical property of solubility in fats and water and its chemical characteristic of combining with nere tissue 任何麻醉剂在体内的作用都取决于两个因素：一是物理因素，即其在油脂和水中的溶解度；二是化学因素，即其与神经组织结合的能力。
The action of any anesthetics within the body is due to two factors : its physical property of solubility in fats and water and its chemical characteristic of combining with nerve tissue 任何麻醉剂在体内的作用都取决于两个因素：一是物理因素，即其在油脂和水中的溶解度；二是化学因素，即其与神经组织结合的能力。
Owing to their intrinsic characteristics , fbgs are particularly well suited for measuring strain and temperature , which happen to be the most important physical parameters to be evaluated in a large variety of civil engineering structures and others 由于光纤光栅的内在特性，光纤光栅已被用来监测应力和温度的变化，而在大量的市政工程中，应力和温度都是需要考虑的重要物理因素。
Having carried on the direction and in - situ observation research for the fish migratory behavior , swimming mechanics and ecology , etc ; using the light , sound , electricity , colour gas and various physical agents to improve the fish passage speed in the fishway 对鱼类的洄游习性、游泳力学及生态学等问题，进行了定向和原体观测研究，并用光、声、电、色、气等各种物理因素提高鱼道的过鱼效果。
In addition to nutritional factors , the productivity of many acid soils is affected by physical factors that include low water holding capacity （ oxisols , spodosols ） and susceptibility to crusting , erosion and especially compaction （ oxisols , ultisols ） 除了养分因素外，许多酸性土壤的生产力受物理因素的影响，包括持水量低（氧化土，灰化土）和对结壳、侵蚀及特别是压实（氧化土、老成土）敏感。
3 . investigative objects of toxicology extend beyond the chemical factor . it emphasizes mechanisms of reverse effects induced by physical and biological factor and their prevention and treatment . the development of neurology improves knowledge of neurological and behavior toxicology 学是利用毒理学的概念和方法，研究军队平战时所处环境中外源性化学物及生物、物理因素的有害作用及机理，研究防治措施。
Introducing several osl fabrication methods , mainly electric field poling method is investigated , and discussing the limit relation among poling electric field e , poling current i and natural poling intensity ps , and analyze the various factor affecting the osls quality . 4 . the experiment of aperiodical litaos multi - wavelength shg is demonstrated 3 、介绍了几种介质制备的方法，着重对高压电场极化法进行了理论研究，讨论了脉冲电压，电流及自然极化强度p _ s之间的制约关系，分析了影响成畴质量的几个物理因素。
Abstract : the relation between the place ， size ， shape and number of hot spots in casting and the changes of factors such as geometry factor ， physics factor ， technics factor in the casting and mould system and the systematic characteristic of hot spot are studied by means of the technique of computer numerical simulation of solidification . the relationship between riser and hot spot is also discussed in this paper 文摘:采用计算机凝固数值模拟技术，研究铸件热节的位置、大小、形状和数量，在凝固过程中根据铸件?铸型系统内几何因素、物理因素、工艺因素等各因素的变化关系，揭示热节的系统性；讨论了冒口与热节的位置关系。
The first aspect is about the distribution function for fermions in quasi - equilibrium qgp which is perturbed by the fluctuation of the color field . neglecting the affect of the spin and the collision between the particles in qgp , the distribution function for fermions in quasi - equilibrium qgp has been obtained . further more , the physical " basses that decide the departure factor are analyzed 第一，从qgp动力论出发，忽略自旋和碰撞效应，得到qgp在色场涨落扰动下偏离平衡态而处于近平衡时的分布函数的二级近似以及偏离因子的物理表示，进而分析了决定偏离因子的物理因素。
