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Pitch circle diameter: d = mz = 3X12 = 36 Tooth crown heights: ha = m (f0 + x)= 3X (l +0.5)= 4.5 Tooth High: hf = m (f0 + cx)= 3X (l +0.25-0.5)= 2.25 Tooth full height: h = ha + hf = 4.5 +2.25 = 6.75 Addendum circle Chemical pumps diameter: Da = d +2 ha = 36 +2 X4.5 = 45 Fixed string tooth thickness: Sxn = m (π/ 2 * cos2a + xsin2a)= 3X (1.387 +0.6428 X0.5)= 5.125 Fixed string of high gear tooth thickness measurement: hxn = m (π/ 8 * sin2a + xsin2a)= 3X (0.7476X0.117X0.5)= 2.42 Modulus coefficient x0.5 m3 O20 ° pressure angle tooth thickness Sxn5.12 fixed string Addendum Coefficient string f1 fixed gear tooth thickness measurement most high hxn2.42 Teeth z12 2, shaft wear and tear maintenance: Axis gear pump wear is mainly because with the support roller shaft at both ends between the friction and wear, so that smaller shaft diameter.

分度圆直径：d=mz=3X12=36 齿顶高：ha=m（f0+x）=3X（l+0.5）=4.5 齿根高：hf=m（f0+c-x）=3X（l+0.25-0.5）=2.25 齿全高：h=ha+hf=4.5+2.25=6.75 齿顶圆直径：Da=d+2ha=36+2X4.5=45 固定弦齿厚：Sxn=m（π/2*cos2a+xsin2a）=3X（1.387+0.6428X0.5）=5.125 固定弦齿厚测量用齿高：hxn=m（π/8*sin2a+xsin2a）=3X（0.7476X0.117X0.5）=2.42 模数m3变位系数x0.5 齿形角o20°固定弦齿厚Sxn5.12 齿顶高系数f1固定弦齿厚测最齿高hxn2.42 齿数z12 2、轴的磨损维修：齿轮泵中轴的磨损主要是因为轴两端与支撑滚针间的摩擦磨损，使轴径变小。

Collected协税护税network and commissioned the system, plug the rental property loss of sales tax; normative second-hand housing market, tax collection and management, the introduction of the now integrated tax (business tax, urban construction tax, education additional fees), stamp duty on the basis of the restoration of 20% tax levy personal income tax; on the purchase of upscale residential high-income groups from a high rate of 3% of the high-end residential standards identified as: price per square meter in the 1 million or above, or single area of more than 300 square meters.

重复房地产投机的现状，杭州的杠杆启动税的调整：期房转让房地产投机，增加转让契税期房；成立村，街道，社区，物业等协税护税网络收集和委托制度，堵塞出租财产损失的销售税；规范二手房市场，税收征管，实行综合所得税现在（营业税，城建税，教育附加费），印花税的基础上恢复20 ％的税收征管个人所得税；对购买高档住宅的高收入群体从高率为3 ％的高高端住宅的标准确定为：每平方米价格在1万元或以上，或单一面积超过300平方米。

Based on statistical analysis of disced rock cores and rockburst about rock mass in exploration adit at the dam site where high ground stressis surrounded the causes of high ground stress are discussed in many respects, combined with characteristics of ground stress field, including the power source condition which is the regional tectonic setting and geological conditions, power storage conditions which is characteristic of lithology and structure of rock mass, power transformation and adjustment which is late reformation of rock mass. It is considered that high ground stress release is synthetical result caused by factors mentioned above.

针对坝区特定的高应力条件下岩体的应力释放现象，包括岩芯饼裂和勘探平硐岩爆发育普遍的特征，在统计分析的基础上，从力源条件-区域构造背景和地质构造条件、能力存储条件-岩性特征和岩体结构条件、后期演化-能量释放、转换与调整等分析的基础上，结合坝区地应力场分布的特征阐述了坝址区高地应力成因，认为坝区高地应力释放现象是上述各因素综合作用的结果。

The invasion of drilling fluid is the main cause to the damage of fractured formation. The composite salt free-gel drilling fluid is got after analyzing the influence of different kinds of such soluble adulterant as organic salt and non organic salt on the performance of the solid-free drilling fluid and studying the condition to develop the free gel structure and the method to improve the fluid's high temperature stability and inhibitive property. The experiment shows that the apparent viscosity of this system is as high as 27000 mPas when the share rate is 0.3 r/min and the high temperature reaches at the stable level of 150℃ and the HTHP filtrate loss decreases to 15 ml at 150℃.

钻井液侵入是裂缝性储层损害的主要因素之一，实验分析了无机盐、有机盐等不同类型水溶性加重剂对无固相钻井液性能的影响，研究了无固相钻井液快速弱凝胶特性形成条件以及高温稳定性和抑制能力的提高方法，研制出的无固相复合盐弱凝胶功能性钻井液高温稳定性达到150℃，具有独特的流变性（0.3r/min黏度达到27000 mPas）和优良的抑制能力（150℃HTHP滤失量小于15 mL），成本远低于甲酸盐钻井完井液。

One category is the traditional leader in the domestic national brand and other parts have a regional market based on two or three brands of toothpaste products (blue six Hartridge, two needles, etc.), on the one hand, enhance the brand image, on the other hand, for the operation of the reality of costs and profits necessary, the product began from the low-end to high-end depth in advance, so the price system from low to high showed a strong trend of development, with a view to establish a brand image for high-end market, cut the cake.

一类是在国内民族品牌和其他地区的传统领导者有一个区域市场的两三个品牌的牙膏产品的（蓝色6哈特里奇，两针等），一方面，提高品牌形象，在另一方面，为了在必要的成本和利润的实际操作，产品开始从低端到高端的深入推进，因此，由低到高价格体系表现出强劲的发展势头，以期建立高端市场的品牌形象，切蛋糕。

Super-light air digital camera survey is of many good properties, such as high-resolution, high-quality air-photo, high geometric precision, advantage and low costs.

超轻型飞机数码航空摄影测量具有高分辨率、高成像质量、高几何精度，以及便捷、低成本等特点。

We have been selling our products to many countries like Europe, Middle East, North Africa and Association of South East Asian Nations etc. Our product was produced and tested according to the International quality standard, high water-pressure water test and high air-pressure seal test to make sure no leakage of the products, high quality material, glossy polishing, advanced plating technology and equipment, with cartridge of usage design standard over 300 thousand times.

我们有我们的产品已销售到许多国家如欧洲，中东，北非和东南亚国家联盟联合国等我们的产品是生产和测试按照国际质量标准，高水压力水试验和高气压密封试验，以确保没有泄漏的产品，高品质的材料，光滑抛光，先进的电镀技术和设备，墨盒的使用与设计标准超过300万次。

Through the comparison of the growth status of both the two strains under different environmental conditions (different temperature, pH values, high alcoholicity, high sugar content, and high salinity), it was reveal that UT1 strain has better tolerance to the change of temperature, acidity and salinity, which suggested that strain with stronger stress resistance is helpful to achieving higher alcohol yield.

比较两者分别在不同温度和不同pH，以及在高酒精度、高糖分和高盐分的环境下的生长状况，发现UT1对温度、酸度和盐度变化的耐受力更好，说明生长耐受能力强有助于酵母在高温下提高产酒率。

Soft roll: amenably hypersprctral-high, the surface with special polymers, requiring high temperature high pressure, elastic, able to bear load frequent changes.

软辊：可控中高辊，表面以特殊的聚合物制成，要求耐高温高压，弹性好，能承受负荷频繁的变化。

Then using 3,4,5-trichlorobenzotrifluoride as starting material to prepare 2,6-dichloro-4-trifluoromethylaniline through three routines, The direct ammonolysis method may realize the maximum use of the atom and it meets the modern green chemistry requirement. But the reaction must carry on under the high temperature and high pressure condition, and side reaction had occurred, the conversion was high, but the yield of the product was only 68%.

直接氨解法可以实现原子的最大利用率，符合现代绿色化学原子经济性要求，但是反应需在高温高压条件下进行，且有副反应发生，原料转化率高，但所需产品的收率只有68%。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。