圆的直径

It is the micro-external gear pump that the key component of the system, which the speed may reach 3,700 Rpm, the instantaneous pressure may reach 35 MPa as well as the addendum circle diameter only has 14 mm.

系统中的心脏和动力源就是微型外啮合齿轮泵，它的转速可达3700 Rpm，瞬时工作压力可达35 MPa，其中齿轮的齿顶圆直径只有14 mm，同时它也是影响该系统合格率的重要部件之一。

When the powder loading was fixed as 58%,the molded compact of a gearwheel whose addendum circle diameter is 700 μm was obtained with well shape retention.

3μm的羰基铁粉和石蜡基热塑性粘结剂体系，当粉末的装载量为58%时，获得了形状良好的齿顶圆直径为700μm的微型齿轮注射生坯。

Based on a lot of calculating analyses on various working condition, the thesis give the approximate calculating formula of multi-order natural frequency of vibration of round silo.

对不同直径、不同高度的实体单仓进行了大量的、多种工况的计算分析的基础上，提出了计算圆型筒仓的多阶自振频率的近似计算公式。

Under the optimum conditions, the analytes could be separated within 17 min in a 75 cm length capillary at a separation voltage of 18 kV in a 10 mmol/L borate buffer (pH 8.2). A 300 μm diameter carbon disk electrode generated a good response at+ 0.95 V vs. saturated calomel electrode (SCE for all analytes. The relationship between peak currents and analyte concentrations was linear over about three orders of magnitude with detection limits (S/N=3) ranging from 78 μg/L to 110 μg/L for all analytes.

在优化的实验条件下，以直径300μm的碳圆盘电极为工作电极，检测电位为＋0.95V，在10mmol/L硼酸盐(pH8.2)的运行缓冲溶液中，上述6种活性成分能在17min内实现很好的基线分离，被测物浓度与峰电流在3个数量级范围呈良好的线性关系，检出限(S/N=3)范围为78~110μg/L。

An analytical model was built up on the jet deflection in the crossflow by applying the theorem of momentum, which takes full account of mixing between the upstream fluid and burner jet, and of the total pressure difference between the two sides of the jets. Through analysis of this model, experimental study and numerical simulation, effects of the nozzle spacing ratio, width of the furnace corner, width of the nozzle and imaginary circle diameter on the aerodynamic field in the furnace were obtained.

本文综合考虑了炉内旋转气流与燃烧器射流的混合和燃烧器射流向火侧与背火侧的全压差等因素，应用动量定理建立了横向气流中射流偏转的分析模型，并结合冷态模化试验和数值模拟计算，得到了燃烧器间隙率、炉膛切角、喷口宽度和假想切圆直径等因素对炉内空气动力场影响的规律。

These gears are manufactured with widths of their teeth (as measured along the pitch circle) such that when two such gears are installed with a center distance consistent with their standard pitch diameters, the teeth of the two gears will mesh "well".

生产齿轮的时候要根据齿的宽度，这样当两个齿轮装配成中心距离与分度圆直径相吻合的时候，两个齿轮的齿就可以正确啮合。

Note that in accordance with reset button, you find the device with a diameter of about 2 mm hole in the access to power supply conditions, such as using refillable stamp hard things get, at the same time the need to maintain this state more than 10 seconds to reset the successful operator.

注意，在按复位按钮时，您先找到该设备上的一个直径为2毫米左右的圆孔，在接通电源的条件下，用笔芯之类的坚硬东西戳进去，同时必须保持这种状态10秒钟以上，才能算复位成功。

The schemes of reinforcing batten plate s by tie bars are put forward and the effects of the space,diameter and types of tie bar on displacement and stress of batten plate s are analyzed.

分析了液态混凝土压强对钢管结构的作用，指出了哑铃形钢管拱先圆管后腹腔灌注顺序的合理性，提出了缀板采用对拉杆加固的方案，并分析了对拉杆间距、直径、材质等对缀板位移和应力的影响。

The microstructure of the as-sprayed zirconia coatings was analyzed. The results show that the nanostructured zirconia coating is a typical lamellar structure composed of columnar grain about 100nm in diameter.

结果表明：纳米结构涂层是由直径为100nm左右的柱状晶粒组成的层状结构；涂层中存在大量的微裂纹和分布均匀的细小圆气孔。

The successful utility of a 300 MW unit proves the correctness of this test,which provides an effective way to solve the slagging problem in the furnace of a large scale power plant boiler. power plant boiler ; slagging ; numerical test ; coal powder burner

当锅炉采用导流板式燃烧器时，一方面由于导流板的作用，使一次风向炉膛中心偏转，改善了一次风背火侧的补气条件，另一方面由于一次风煤粉气流的切圆直径变小

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。