查询词典 mechanism

The mechanism of thermal decomposition mechanism of nickel benzoate trihydrate in N 2 was studied by using TG,DTA,IR,MS and XRD.

用流变相反应法合成了苯甲酸镍，通过元素分析、红外光谱确定了组成，用热重分析和差热分析研究了它在氮气气氛中的热分解过程，并用红外光谱、质谱、X 射线衍射表征了热分解产

The analysis of crack status in quo on tympanites roadbed indicates that development mechanism of highway tympanites includes three aspects: the development mechanism of asphalt pavement cracks, climate tympanites and dynamic tympanites.

通过对翻浆路基的开裂现状分析，道路翻浆的发育机制包括三个方面：沥青路面开裂发育机理、气候翻浆发育机理和动力翻浆发育机理。

Theconduction mechanism can be described as follow:The gap of income distribution—underconsumption—the conceal mechanism of the credit—the false proportion ofreproduction—the insufficient of effective demand.

这个传导机制可以简单地表述如下：收入分配差距悬殊——消费需求不足——信用关系的信息掩盖作用——社会再生产比例失调——有效需求不足。

The hydraulic push mechanism,cutting-block retract mechanism and cutting system of BG-118 underreamer have been designed and calculated.

针对国产常规扩孔器存在切削效率低，保径效果和倒划眼功能差的现状，设计了一种具有倒划眼和保径功能的BG型高效扩孔器，并对BG—118型扩孔器的水力推进机构、切削块伸缩机构和切削系统进行了设计计算。

On the base of reviewing the development of NSP models, some deficiencies of existent models are analysed and listed as follows: most models can be applied only to very small watershed; mechanism models involve too many parameters which can not be calibrated properly by limited data; amoung practical models, empirical models are much more common than mechanism models; most models are focus on the conservative soluble pollutants rather than non-conservative and particulate pollutants; almost all models rely highly on the measured data, and there are fewer studies about the load estimation for ungauged areas.

本文在评述非点源污染模型研究进展的基础上，分析了现有模型的不足，主要有：大多数模型只能适应于很小的流域面积；机理类模型参数过多，率定困难，应用效果不理想；实用模型中，经验类模型多，机理类模型少；对保守性的液态污染物研究得较多，对非保守性和固态污染物研究得较少；各类模型均高度依赖于实测资料，无资料地区的模型或预测方法研究得很少。

Although the mechanism of action of CD4+Treg cells has not yet been completely unravelled, the scientific community generally accepts that this mechanism is of crucial importance to the entire immune system.

虽然CD4+Treg的作用机制尚未完全弄清，但是科学界普遍认为该机制对于整个免疫系统来说都是至关重要的。

As an important part of automatic mechanism, precise intermittent movement mechanism plays an unreplaceable role in the development of current industry.

作为自动化机械的重要组成部分，精密间歇运动机构在当代工业发展过程中起着不可替代的作用，但精度和寿命却一直制约着这种作用的发挥，成为其性能提高的瓶颈。

Based on the theories of rheology, Non-Newtonian Fluid Mechanics, petroleum chemistry, crystallography and pipeline technology etc. and sampling Huabei crudes, experimental indexes and programmes are drew out, integrating the oil properties and parameter analysis; in terms of the macro analysis of continuum mechanics, substantial experiments are conducted with HAAKE RS600 rotational rheometer and the rheological equation as well as the viscosity-temperature equation are further developed with tested rhrogramme and viscosity-temperature curve, respectively. Beased on the researches on thixotropic mechanism and thixotropy fluid property, hysteresis loop curve, structure failure and viscosity build-up curve as well as shear stress decrement curve for one type oil are first present in this paper. According to the theoretical researches and testing results, a novel thixotropy equation with τ=τ_∞e~ pattern, which is of hi-accuracy, few parameter and simplicity, is developed. Considering the influence of various parameters on rheological behaviour, depressant adding condition is optimized and experimental evaluation on BEM-5P is conducted, which further unrip its mechanism on the Huabei crude. A corresponding viable pipe transportion programmel is also recommended.

本文基于原油流变学、非牛顿流体力学、石油化学、结晶学、原油管输工艺学等理论，以华北原油为研究对象，结合原油物性及实验影响因素分析，制定出实验研究的评价指标及实验方案；从连续介质力学宏观分析的角度，利用HAAKE RS600高端旋转流变仪开展了大量的室内实验，并运用微观研究方法，测定了油样的流变曲线和粘温曲线，建立了流变方程和粘温方程；通过对触变性机理和触变性流体特征的研究，首次对华北原油测定出滞回环曲线、结构破坏与恢复粘时曲线、剪切应力裂降过程曲线，并在理论研究和实验结果的基础之上，建立了能定量描述含蜡原油剪切应力裂降过程的新型三参数触变模式τ=τ_∞e~b/(t+c，该模型具有精度高、参数少、实验简便且适用性强的特点；通过对含蜡原油流变性的影响因素理论研究，开展了加剂条件优选及BEM-5P降凝剂室内评价实验，进一步揭示了降凝剂对华北原油作用机理，在此基础之上，提出了华北原油管输的可行性方案。

Based on the theories of rheology, Non-Newtonian Fluid Mechanics, petroleum chemistry, crystallography and pipeline technology etc. and sampling Huabei crudes, experimental indexes and programmes are drew out, integrating the oil properties and parameter analysis; in terms of the macro analysis of continuum mechanics, substantial experiments are conducted with HAAKE RS600 rotational rheometer and the rheological equation as well as the viscosity-temperature equation are further developed with tested rhrogramme and viscosity-temperature curve, respectively. Beased on the researches on thixotropic mechanism and thixotropy fluid property, hysteresis loop curve, structure failure and viscosity build-up curve as well as shear stress decrement curve for one type oil are first present in this paper. According to the theoretical researches and testing results, a novel thixotropy equationwith τ=τ_∞e~ pattern, which is of hi-accuracy, few parameter and simplicity, is developed.Considering the influence of various parameters on rheological behaviour, depressant adding condition is optimized and experimental evaluation on BEM-5P is conducted, which further unrip its mechanism on the Huabei crude. A corresponding viable pipe transportion programmel is also recommended.

本文基于原油流变学、非牛顿流体力学、石油化学、结晶学、原油管输工艺学等理论，以华北原油为研究对象，结合原油物性及实验影响因素分析，制定出实验研究的评价指标及实验方案；从连续介质力学宏观分析的角度，利用HAAKE RS600高端旋转流变仪开展了大量的室内实验，并运用微观研究方法，测定了油样的流变曲线和粘温曲线，建立了流变方程和粘温方程；通过对触变性机理和触变性流体特征的研究，首次对华北原油测定出滞回环曲线、结构破坏与恢复粘时曲线、剪切应力裂降过程曲线，并在理论研究和实验结果的基础之上，建立了能定量描述含蜡原油剪切应力裂降过程的新型三参数触变模式τ=τ_∞e~b/(t+c，该模型具有精度高、参数少、实验简便且适用性强的特点；通过对含蜡原油流变性的影响因素理论研究，开展了加剂条件优选及BEM-5P降凝剂室内评价实验，进一步揭示了降凝剂对华北原油作用机理，在此基础之上，提出了华北原油管输的可行性方案。

Just as in the mechanism of the clock, in the mechanism of the military machine too, once the impetus was given, it was carried on to the last results, and just as unsympathetically stationary were the parts of the machinery which the impulse had not yet reached.

无论是钟表的机件，还是军事机器，一开动就难以止住，必然会获得最后的结果，一些还没有运转的机件在传动之前同样是滞然不动的。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。