This paper points out various formulas of rock resistant factor are special cases of this formula.
并指出，现有的各种岩石抗力系数公式均是本公式的特例。
This paper briefly reviews the computative theory of various formulas of rock resistant factor "k" and it's mechanical model.
本文分析了现有各种岩石抗力系数公式的理论依据和这些公式所具有的计算模型。
Load capacity contained by calculating safety factor that resistant to fatigue damage caused by the maximum load force.
负载能力通过计算抵抗最大负载力造成的疲劳毁损的安全系数得出。
Due to the lack of effective chemical fungicides and resistant varieties, fusarium wilt has become the limiting factor in cucumber production.
由于常规农药对枯萎病防效甚微，并且抗病性品种缺乏，枯萎病已经成为制约黄瓜生产的限制性因素。
The transgenic plants comprising the transcription factor gene are tolerant and resistant to harmful environmental conditions such as water stress and high salinity.
包括该转录因子基因的转基因植物对如水胁迫和高盐的不利环境条件具有耐受性和抗性。
The prevalent internal cause was existence of the local bacterial source and loss of the resistant ability of wheat varieties, while the decisive factor was the abundant rainfall in spring.
当地菌源的存在和小麦品种的抗性丧失是发生大流行的内因，春季降水量多是大流行的决定性因素。
This article discussed the mechanism and influent factor of insect-resistant engineering with plant endophyte.
本文着重论述了内生菌的抗虫机制及其影响因素。
We study the primary factor influencing the quality of exterior coatings and raise a method of improving adhesion, wet scrub-resistant, climate-resist- ant and so on.
研究了影响天然矿物外墙涂料技术性能的主要因素，提出了改善该产品的附着力、耐湿擦性、耐候性等项技术指标的方法。
So, wind resistant stability is the controlling factor that determining the safety of long-span bridge structures.
抗风稳定性往往成为决定大跨桥梁结构安全性的控制因素。
Definition 3 defines the safety factor as the ratio of the resistant shear force to the driving shear force along a certain slip surface.
定义3将安全系数定义为沿某一特定滑面的抗滑力比滑动力。
It is suggested that virulence of rice brown planthopper was variable and the character of variety resistant or susceptible to insect was the exterior factor of virulent shift.
这表明褐飞虱的致害性是可变异的，水稻品种抗、感虫特性是其转化的诱因。
The area ratio between the transection of pith and whole stern is an important factor on lodging-resistant.
髓和茎横切面的面积比值大小是影响倒伏的重要因素。
The area ratio between the transection of pith and whole stern is an important factor on lodging-resistant.
髓和茎横切面的面积比值大小是影响倒伏的重要因素。
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