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The position and size of the monochromator, focusing curvature radii and tilting angles of the germanium focusing monochromator under different different take-off angle, size and divergency of the second collimator and intensity loss due to the use of it were determined. The neutron flux at different wavelength, under different reflection and take-off angle of the monochromator and divergency of the first collimator, were given. The simulation on the aperture used for limiting beam size in front of the sample showed that, smaller the size of the aperture and further the distance from the aperture to the sample, greater the loss of the intensity and more serious the spread of the beam along vertical direction at the sample position which makes the practical sampling volume greater than expected.

用蒙特卡罗模拟方法对中子应力衍射谱仪的设计方案进行了优化研究,提出了一系列可供参考的数据:确定了单色器的位置、尺寸、垂直聚焦单色器在不同起飞角下的聚焦曲率半径和倾角;讨论了第二准直器的尺寸和发散,以及使用第二准直器造成的强度损失;给出了在不同单色器反射面、起飞角、中子波长和第一准直器发散度的情况下样品处的中子注量率,以及多种组合情况下谱仪的分辨率曲线;对限束方孔的尺寸、距离样品远近对强度损失和测量中的影响做了深入研究。

In fact, it's been the LACK of functional achievement in too many of our breeding programs in the past that has been responsible for our loss of respect in the domestic and international working dog community and our loss of leadership in the International Doberman community in general.

事实上,以前,在许多我们繁育者们的繁育计划中,这正是我们在功能成就上的不足,而造成了我们在国内和国际工作犬公社的损失,而且也损失了我们在国际杜宾公社的领导能力。

This thesis takes the four-cylinder double-acting Stirling engine as the research key. Based on the Schmidt analysis method, all kinds of flow friction losses and heat losses are analyzed and a model which adapt to the performance of the four-cylinder double-acting Stirling engine is built.

本文以四缸双作用斯特林发动机为研究重点,首先阐述了模拟斯特林发动机的施密特分析法,进而分析了四缸双作用斯特林发动机工作过程中存在的各种流动阻力损失和热量损失,建立了适用于模拟四缸双作用斯特林发动机性能的模型。

The absorbing height of pump will be used in conquering the losses of speed head and distance head and the relative installed height of the pump,as well as the both sides pressure difference of drill stem produced to carry the .

泵的吸程将用于克服速度水头损失、沿程损失、泵的相对安装高度和携带钻渣时所产生的钻杆内外压差。

Based on practical data obtained on site and experiences in oil transportation, the article deals with various factors that affect the heat loss of crude oil pipelines, and furthermore, introduces some technical measures by which to minimize hest loss and economise energy.

文章结合现场实测数据和输油经验,论述了影响原油管道热损失的诸因素,进而提出了减少热损失、节约能源的技术措施。

The results showed that SiO2 induces the abnormal grain growth and increases the eddy current loss,also increases power loss.

结果显示晶粒随SiO2含量增加而变大,而且有局部的晶粒成长,晶粒变大进一步会影响晶界电阻,使的涡流损失增加,导致功率损失也跟著变大。

Pentinece is something that enervates our spirit, causing a greater loss than loss itself and making a bigger mistake than mistake itself, so never r egret.

后悔是一种耗费精神的情绪。后悔是比损失更大的损失,比错误更大的错误。所以不要后悔

At the same time, the cooperation of the multi-layer frame structure is researched with FEA when the pre-stressed threads are stretching, and the relationship between the beam of stretching layer and the beams of nearly layers is discussed. The layout effect of regular reinforcement in the beam on the pre-stressed effective quantities is also analyzed, and the elementary estimation formula of pre-stressing loss on the multi-layer frame is also deduced according to the pre-stressing loss of one-layer pre-stressed frame structure.

同时文中还运用有限元对多层框架结构在预应力张拉过程中,某层梁预应力的张拉与相邻层梁的影响关系和结构各构件的整体协同工作做了研究,分析了非预应力筋在梁中的配置对框架梁预应力有效量的影响;并且在一层框架梁侧限预应力损失的基础上,扩展了多层框架结构中侧向约束引起梁的预应力损失值的初步设计估算公式。

A cat's eye with its holder construction has been designed and applied to the system. Through defining the acceptance angle and the entrance angle of the cat's eye, its reflective characteristic has been analyzed under the condition of practical application.

偏振分光镜、猫眼、波片及调整误差是引起光能损失、导致干涉光强下降的重要原因,通过选用高精度石英λ/4波片、光信号采样用平板玻璃分光镜及镀增透膜等措施,使光能损失大大减小。

The results are revealed that reading error of the thermocouple in the course of dynamic response is mainly ca...

结果显示:在动态响应过程中热电偶读数误差主要决定于热电偶测头以及热电偶隔热罩的辐射热损失,并且它的辐射热损失又受热电偶测头的滞后时间常数τ0 的限制;随着动态响应过程的进行,热电偶读数的误差急剧变化;当τ=3τ0时,基本上可以认为动态响应过程结束,但升温变化时误差更大。

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