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The results show that, when increasing the feed rate of the grinding wheel, decreasing the rotating speed of the wafer chuck table and using coarser grit grinding wheel, the material removal rate in the wafer rotating grinding increase, the feed rate of t
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研究结果表明,增大砂轮轴向进给速度和减小工件转速,采用粗粒度砂轮有利于提高磨削矽片的材料去除率,砂轮轴向进给速度对材料去除率的影响最爲显著;适当增大砂轮转速,减小砂轮轴向进给速度,采用细粒度砂轮可以减小磨削表面粗糙度;在其它条件一定的情况下,砂轮速度超过一定值会导致材料去除率减小,主轴电机电流急剧增大,表面粗糙度变差;采用比#2000粒度更细的砂轮磨削时,材料去除率减小,矽片表面粗糙度没有明显改善。 |
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The results show that, with the quenching temperature (270~380℃) increasing, the carbon content and percentage content of retained austenite increase first and then decrease, which are up to a maximum value at 360℃; the tensile strength of ADI decreases;
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结果表明,在试验温度范围内(270~380℃),试样中残余奥氏体的含碳量及其含量随着等温淬火温度的升高先增大后减小,均在360℃等温淬火时出现最大值;抗拉强度随着等温淬火温度的升高而逐渐降低;伸长率和冲击韧度随着等温淬火温度的升高先增大后减小,在360℃等温淬火时出现最大值;硬度则随着等温淬火温度的升高先减小后增大,当360℃温淬火时硬度最低。 |
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The results show that: (1) It is feasible to analyse and assess environment effect in cement industry by Factor Analysis method; (2) According to the analysis result of the main comprehensive environment-load-effect indexes as production technique, resour
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结果表明:(1)用因子分析方法对水泥企业进行环境影响的分析评价是可行的;(2)从生产技术、资源消耗、环境酸化和人体健康等主要反映环境负荷影响的综合指数方面的分析表明,新型干法工艺具有显著的优势,而湿法窑和立窑工艺则明显处于不利的地位。 |
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The results show that: The seeds of Victoria amazonica are not suitable for dry store; With the high temperature of 30-35℃, the germination percentage of the seeds which have fully matured will reach 68% to 85.7% ,seed soaking by GA3 contributes greatly t
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结果表明:王莲种子不宜干燥贮藏;30~35℃高温配合充分成熟的种子,发芽率可达68%~85.7%;赤霉素浸种对提高种子发芽率有显著的促进作用;育苗期间的低水位有利种子萌发成苗。 |
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The results show that: blow ratio is a main influential factor to the film cooling effectiveness, the film cooling effectiveness decreases with the increasing of blow ratio; the film cooling effectiveness of discrete holes fluctuate dramatically across th
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结果表明:吹风比对气膜冷却效果的影响很大,冷却效果随吹风比的增大而降低;圆孔气膜冷却效果沿横向位置波动较大,孔之间容易形成冷却死区。 |
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The results show that: the glomerulus of the mouse consists of a lobular arteriole within the glomerulus, capillary meshwork lobules and communication branches between the lobules and the efferent arteriolar roots; there are some sublobular microcirulatar
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结果表明:小白鼠肾小球由小球内小叶微动脉、毛细血管网小叶及小叶间交通支和小叶输出血管构成,小叶可分出亚单位;红腹锦鸡肾小球为一簇迂回盘曲的血管团,血管间未见有复杂的分支和吻合;小白鼠和红腹锦鸡入球小动脉和出球小动脉均为一支,但有的出球小动脉有分支。 |
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The results show the comprehensive quality of geological environment of Jining and Tengbei mining areas is graded as level Ⅰ, that of Yanzhou and Tengnan mining areas is graded as level Ⅲ and level Ⅳ respectively.
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结果表明,济宁矿区和滕北矿区的地质环境综合评价等级为Ⅰ级(较轻),兖州矿区和滕南矿区分别为Ⅲ级(较重)和Ⅳ级(重)。 |
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The results show the influence of conductivity is minor and can be ignored when the tunnel wall conductivity value is lower than the breakpoint; however, when the value is bigger than the breakpoint, the influence is greater.
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研究结果显示:当电导率小于断点时,电磁波衰减率几乎不受影响,当电导率高于断点时,电磁波传播特性会有较大的变化。 |
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The results show the relative reactivities of three second hydroxyl groups on steroids skeleton of methyl cholicate are different to the three kinds of acylating agents.
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结果显示,与三种活性不同的酰化试剂作用时,胆酸甲酯分子甾体骨架上三个仲羟基的相对反应活性不同。 |
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The results show when the triplex electro-hydraulic servo actuator system is applied, the dynamic performance has a little difference.
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分析结果表明:伺服作动系统采用余度控制后,系统的动态品质基本不变。 |
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The results show, 1) Rural settlements are the primarily form with characteristics of lives scattered greatly and lives together slightly. 2) The rural settlement distribution mainly concentrates in the rivers and the roads two sides of road.
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(2)居民点分布主要集中在河流与道路的两侧,属于典型的高山峡谷地带居民点分布;居民点离散特征不显著。 |