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Analyzing the calculating process of belt conveyor with high angle theoretically, starting from its theoretic calculate the cross sectional area of materials and peripheral force, shaft power of drum, power of motor, using point by point method to get the resultant strain of every drum and torsion of driving drum, calculating the maximum strain and the maximum reverse stopping torque, to give the support on theory for using belt conveyor with super-long distance, high angle under the coal mine.

本文针对长运距、大倾角、高强度带式输送机设计过程中存在的问题，从四个方面对大倾角带式输送机进行分析研究：从理论上解析大倾角带式输送机的计算过程，从大倾角带式输送机的理论入手，详细计算物料的横截面面积、圆周力、滚筒轴功率和电机功率，利用逐点计算法计算各个滚筒的合张力以及传动滚筒的扭距，计算出胶带的最大张力和最大逆止力矩，给长运距、大倾角皮带机在煤矿井下的使用给予理论上的支持。

Creation mechanism of combustion noise was discussed,and the effect of the maximum combustion pressure,the maximum pressure rise rate and high frequency pressure oscillation on diesel engine combustion noise with different pilot injection strategies adopted were analyzed.

讨论了燃烧噪声的产生机理，分析了直喷式柴油机采用不同的预喷射策略，气体最高燃烧压力、最大压力升高率及气体高频压力振荡对燃烧噪声的影响。

The results show that the maximum detectivities of a-Si and polySiGe bolometers are 2.23×108 and 3.75×108 cmHz1/2W-1 respectively, and TFT-based room-temperature infrared detectors have a maximum detectivity of 1.02×109cmHz1/2W-1, which reaches the same highest level in performances in the world.

结果表明，斩波频率为30Hz时，a-Si和polySiGe测辐射热计的最高探测率分别达到2.23×108和3.75×108cmHz1/2W-1，TFT室温红外探测器的最高探测率可达1.02×109 cmHz1/2W-1，达到目前国际先进水平。

The maximum calcium dissovling value is 318.75mg/g which is larger than the maximum value of EDTA. ESA is confirmed to be an excellent chelator for calcium by the results.

通过反应条件的优化，得出ESA的最大钙螯合值为318.75mg/g，大于EDTA等螯合剂的最大钙螯合值，是一种络合能力极强的螯合剂。

The read-write function and the data collection of the electronic label can read and write, collect data at the 125KHZ and 13.56MHZ in wireless condition. The maximum distance for reading and writing is 1.5m , and the maximum simultaneous reading is 50pcs papers. One pc paper is read in 0.1second, and an output of 12V/ 1A switch coulometry controls other devises.

本项目研制的电子标签读写和数据采集设备具有对 125KHZ 、 13 。56MHZ 的电子标签在无线状态下进行读写和数据采集，最大读写距离可达 1.5m ，最多可同时读取 50 张，单张读取时间 0.1 秒，可输出 12V/1A 开关电量，控制其它设备。

The TN and TP concentrations in the sediments were higher in the middle stretch but lower in the two edges of the Bay. The maximum value of TN concentration 1.08 mgg^(-1 appeared in the middle part of the Bay, and the minimum 0.89 mgg^(-1 curred at the adjacent areas to the river mouth; while the maximum value of TP concentration 1.07 mgg^(-1 appeared in the middle, and the minimum 0.80 mgg^(-1 was in the edges of the Bay.

结果表明：香溪河库湾底泥中TN、TP含量均表现为&中间高，两头低&的空间分布规律，其中，TN含量最高值为1.08mgg^(-1)，出现在库湾中部区域，最低值为0.89mgg^(-1)，出现在河口附近区域；TP含量最高值为1.07 mgg^(-1)，最低值为0.80mgg^(-1)，分别出现在库湾中部和库尾。

The analysis shows that, the maximum stress change appears in the heat affected zone of the flange's center and it has main influence on surface crack of flange plate and the maximum stress is less than the allowable stress 235 MPa of the material, which is in the reliable range.

分析结果表明，最大的应力变化出现在法兰盖板中心的热影响区，对盖板表面裂纹有主要的影响，最大应力小于材料的许用应力235 MPa。

The author also studies the relationship between the maximum friction coefficient, optimum slip ratio, friction coefficent with locked wheels and three parameters in friction coefficient function of slip ratio, and three fit functions derived from experimental analysis, maximum friction coeffient, optimum slip ratio and friction coefficent v~ ith locked wheels, of aircraft speed.

利用试验数据研究了最佳滑移率、结合系数最大值和机轮抱死时的结合系数随飞机速度的变化规律。两者联系在一起，便得到了结合系数随飞机速度和滑移率的变化规律。它是本文的创新点之三。

The net photosynthetic rate and maximum net photosynthetic rate of slash pine's half-sib around 1 year is studied utilities of LI-6400 portable photosynthetic system so as to study on the seasonal variation and difference on net photosynthetic rate. The result showed that the seasonal variation of net photosynthetic rate and maximum net photosynthetic rate of slash pine's half-sib is double range curve. There is no notable difference on net photosynthetic rate among needles with same half-sib. There is notable difference on net photosynthetic rate with same needles among half-sib. The net photosynthetic rate of 1 year needle of half-sib 464 and 609 and 1077 is over than others.

为研究湿地松半同胞家系间净光合速率的差异及其季节变异规律，应用LI－6400便携式光合测定系统，对湿地松优良半同胞家系一年中各月净光合速率、最大净光合速率进行了研究，结果表明一年中湿地松各半同胞家系1龄针叶、2龄针叶净光合速率、最大净光合速率的季节变异规律呈'双峰'型，家系内不同单株同龄针叶的净光合速率值没有显著差异，而家系间相同年龄针叶的净光合速率值则存在着显著差异。

The analysis shows that, blade vibration and torsional deformation is the mainly manifestations of the cutting mechanism head body ,the maximum deformation of the helical blade is 18.01mm, the maximum stress value in the welding of corner ,connection of end disk and helical blade is the weak link, helical blade is the main component, which effects the dynamic characteristics of cutting mechanism head body.

所得结论对于改进螺旋钻采煤机截割机构头体的设计、提高其动态性能和使用寿命具有一定的指导意义和参考价值。2、文章中部分措词需要修改，摘要翻译中文化，论文整体格式需要修改。3、数值模拟的约束条件有待商榷，对于结果应该对比实际试验和有关材料特性表，更有说服力。

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％。