查询词典 trace function

Without any trace of fractures in its body, the bed is believed to be made out of a single agalwood block.

据信，这张没有任何损坏的古董床是由一整块沉香木制做而成的。

Features: 1 to the Al-Si eutectic alloy composite added a variety of heat-trace elements and, through orthogonal experimental design and optimize the use of rare earth elements - Modification of phosphorus and salt air brick bottom melting technology, access to the ideal Detroit microstructure - in high intensity, good plastic α-Al matrix on the distribution of the large size of coarse crystal silicon and Chinese characters or fish-bone-shaped iron phase, raising the Pistons at room temperature plastic and high temperature strength, lower raw material costs.

通过向共晶铝硅合金中复合添加多种微量热强元素，并通过正交试验优化成分设计以及采用稀土－磷盐复合变质处理和炉底透气砖熔炼技术，获取理想的活塞金相组织——在强度高、塑性良好的α-Al基体上分布尺寸较粗大的共晶硅和汉字状或鱼骨状铁相，提高活塞室温塑性和高温强度，降低原材料成本。

A large range of IRZ and intense fluctuating velocity area around the boundary of IRZ is measured and thought to be important to keep the excellent ignition and combustion characters of the new kind swirl burner. Together with temperature trace method, different structure and operation parameter of the burner are studied in this paper about their effects on turbulent and mixing characters of swirling jet. The structure variation includes different blade angle, use of central gear shape baffle, variable outer length and angle of lean primary air outlet, use of wedge outlet of lean primary air.

采用上述两种测量方法并结合热质比拟温度示踪的方法，本文对径向浓淡旋流煤粉燃烧器喷口结构和气流流动参数的变化对旋流流场的流动、混合、湍流脉动特性的影响进行了深入研究，研究了旋流叶片倾角大小、中心齿型扩锥、淡一次风扩口外伸长度和扩角的变化、淡一次风楔形扩口、直流二次风扩口角度的变化对出口旋转射流流动特性的影响，研究了一次风率和旋流二次风率运行参数变化的影响规律。

In order to make carrier-based airplane land on a carrier safely along an ideal flight path,the automatic carrier landing system must have the ability to trace the deck motion and restrain air turbulence.

为使舰载飞机沿着理想的下滑轨迹安全着舰，自动着舰系统必须具备跟踪甲板运动和抑制气流扰动的性能。

The petrochemical and trace element compositions of the albite rocks are similar to those of the gold ores.

钠长石岩的岩石化学成分及微量元素组成与金矿体的基本相同。

ObjectiveTo evaluate the effect of pioglitazone on trace albuminuria in type 2 diabetes patients.

目的研究吡格列酮对2型糖尿病微量白蛋白尿的影响。

After we have designed the lenses system, deflectors, beam aligner, stigmator and mass separator, integrated design of ion optical column was realized by using fifth order Runge-Kutta trace the ions directly. We also simulated the coulomb effect among ions through Monte Carlo method.

各个光学器件设计完成后，将它们组合起来采用五阶龙格－库塔法直接轨迹追踪，实现了离子束光柱体的一体化设计，并利用蒙特卡罗方法仿真了离子间的库仑力效应。

An adsorptive voltammetric procedure for determination of trace copper at alizarin modified carbon paste electrode was described .

报道了采用茜素修饰碳糊电极测定痕量铜的阳极溶出伏安法。

This reaction is also slow, and is carried out in alcohol with a trace of alkali under reflux.

这个反应也慢，在回流下在醇中微量的碱进行反应。

The results showed: the three trace elements all have significant effect on the content of aloin and aloe-emodin.

结果表明：三种微量元素对芦荟体内芦荟苷、芦荟大黄素含量皆有影响。

My father is over 60 years old, and he lifts weights every day.

我爸爸六十多岁了，他每天都练习举重。

Then in a serious tone she declared:"It doesn't pay, dear boy, to look like a ninny with one's wife the first night."

两眼湿润了，她把身子蜷得很小，这样似乎可以更好地闻闻自己。