圆的

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。

The velocity distribution curve by numerical computation near the wall is the same as the Blasius theoretical curve, and it approved that the numerical simulative solution is correct. Obtained the time dependent interface and pressure distribution, but also obtained the time dependent velocity distribution on the cross section. It is a new way to study the gas-liquid two-phase flow.

直接数值模拟圆管中气液两相分层流动不仅能得到相界面、压力分布随时间的变化情况，而且能得到圆管中各截面上速度分布随时间的变化情况，这为研究管道中气液两相流动提供了一个新的研究方法。

Has laws restricting bucket shop practices by limiting the ability of brokerage houses to create and trade certain types of over-the-counter securities.

圆桶公司有时被叫做"锅炉房"。美国法律严格限定圆桶公司做经纪业务的行为在建立和交易特定的柜台交易的证券产品上。

The rooting ability of ten varieties of Catalpa spp. was studied. The unlignified branch cutting technique for 'Yuanjichangguo', which was considered as a valuable type to be spread, was analyzed in this paper.

对普通条件下10个楸树不同品种嫩枝扦插的生根能力进行了比较，选择推广价值较高的圆基长果楸进行正交试验以获得圆基长果楸嫩枝扦插繁殖的最优技术方案。

I took "circle" as point of contact to study its formative views and methods and to probe into the position of the "circle" in a legacy of history and real customs and folkways, and mainly introduced a historical origin and development and today's styles of traditional Mongolian figures, and studied, systematically and completely, its formative features, shapes and ornament by using architecture, garment and utensils as typical material.

以"圆"作为切入点，研究其造型观念和方法，探讨"圆"在历史遗产中、现存风俗习惯中的地位。重点分析了蒙古族传统图形的历史源流、发展轨迹和当今风貌。以建筑、服饰、器具为典型素材，对造型特点、形态、装饰方法展开系统全面的研究。

But this idea appears in Chinese, has also showed another image is a first in Singapore to Shanghai Bureau of the Chinese writing that the big hole the roof, too, like Japan Yuanyuandikan sun flag.

而且，50米直径的&圆洞&就是不远处&东方明珠&第二个球的大小，空心圆洞与实心球。。。。。。

At present, the domestic market of Rotary Rotary 凸印 machine were occupied import equipment, including Japan, Taiwan, Labelman Ko－pack, domestic equipment of basic blank (Mt. printing machine has several pieces of prototype we have produced).

目前，国内市场上的圆压圆轮转凸印机全部被进口设备占据，包括日本 Ko－pack、台湾的Labelman，国内设备基本空白（太行印机曾生产过几台样机）。

An important method to improve the sawing effectiveness is to optimize the base and sawtooth structure s of diamond saw blades.

金刚石圆锯片是金刚石类工具中消耗量最大的刀具，优化金刚石圆锯片基体及锯齿结构是改善锯切效果的重要途径。

Studies on circular polarization fiber laser gyroA circular polarization fiber laser gyro is proposed.

圆偏振光光纤激光陀螺的研究提出一种圆偏振态工作的光纤激光陀螺。

The low volt winding generally adopts cylinder type Structure winded by copper foil except some small capacity winding,which adopts copper conductor;the high volt winding adopts multi-layer cylinder type structure,which drives ampere-turn of winding more balanced laying and flux leakage smaller .

低压绕组除小容量采用铜导线以外，一般采用铜箔绕制的圆筒式结构；高压绕组采用多层圆筒式结构，使之绕组的安匝颁布平衡，漏磁小。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。