diameter的例句大全

SEM and XRD results showed that Pd were uniform distributed on C/ TiO2 with face-centered cubic lattice, and both the Pd film and Pd wire were composed of Pd nanoparticles with diameter around 20 nm.

SEM和XRD分析表明，两种电极上Pd在C/TiO2上均匀分布、Pd具有面心立方结构，Pd膜与Pd线均由粒径约为20nm的Pd颗粒构成。

Leave big inner diameter in borehole and it is easy to run in workover tools for downhole operation. Casing impairment leads to loss of pressure integrity, pinching of production tubing, even an inability to lower workover tools.

膨胀管坐挂膨胀后留在井筒内的内径大，便于下入修井工具及井下作业。套管损坏会导致压力完整性破坏、生产油管磨损，甚至无法下入修井工具。

The effects of curvature radius and cutting speed on the top kerf width of laser cutting of thin pipe with a small diameter

曲率半径和切速对小管径激光切缝宽度的影响

In the implant area, the diameter of implant at the apical foramen of root shall not be reduced to protect root in clinical work.

种植体出根尖孔区域受力最大，不能将种植体出根尖孔处直径减小来达到保护牙根的目的；

Through analyzing the performance parameters of superfine powder wormgear classifier, the velocity distribution of gas stream flowing in the classifier was built up, and the particle diameter formula for wormgear classification was derived.

研究了超微粉涡轮分级机性能分析的数学模型，建立了涡轮分级流场速度分布模型，推导了涡轮分级颗粒粒径公式。

The purified virus particles observed by electronic microscope were typical globosity with the diameter of about 20~ 30nm.

电镜观察病毒粒体为典型球状，直径约20～30nm。

Paper needle to make them look square , bridge is, diameter and eye of the needle.

纸针要挺括 、 牢固 、 直径与针眼相符合.

ObjectiveTo investigate the refraction change at a specified future date in optics cornea transplant with diameter cornea graft.

目的探讨不同植片的光学性角膜移植术的远期屈光变化。

The fibre diameter increases with increasing fluidity of the molten oxide.

熔融氧化物的流化度增大,纤维直径增大.

There are many factors influencing the bit diameter and the tooth row intermesh due to the complicated shapes of the main parts of a three cone bit.

三牙轮钻头主要零件形状复杂，影响钻头直径及牙轮齿圈啮合误差的因素较多。

These shotty nodes are usually firm not fixed and are less than a centimeter in diameter.

这些似弹丸样结节通常坚硬,不固定,直径小于1厘米.

Study on Measurement of Pitch Diameter of Internal Thread by Three& ball Method

关于内螺纹中径三球量法的探讨

Study on the Face Stability of Shield Tunnel with Large Diameter

大直径盾构正面稳定性研究

Vc and soluble solid material contents of flesh. diameter of flower and length of leaf, conformed to the normal distribution. However, those of fruit weight, edible rate of fruit and length of bearing branchlet looked rather like X2 distribution.

据分布函数的X2检验，果实制干率、生育期、Vc和固形物含量及花径和叶长遵从正态分布，而单果重、可食率和枣吊长度呈近似X2分布。

The analyzed result shows that in interested area, both the partial pressure of incondensable gas in RPV ( reactor pressure vessel) and the diameter of injection pipe are the main factors influencing on boron-injecting velocity.

分析结果说明：在所关心的范围内，反应堆压力容器内不凝结气体的分压力和注硼管直径的影响最大。

Single plane mean bore diameter deviation.

单一平面平均内径偏差.

The airflow noise attenuation capacity of the increasing thickness , decreasing pore diameter increasing airflow velocity.

材料厚度越大 、 孔径越小、气流速度越大,多孔铝合金的防风降噪性能越好.

In this paper, microcirculation of partial skin in mice was investigated by PP electrets. We have come to the conclusion that venular diameter was extented and blood velocity was quickened, Blood flow of capillary and arteriola was also improved by electrets.

本文通过聚丙烯（PP）驻极体对小鼠局部皮肤微循环进行研究，结果表明，驻极体能使微静脉扩张，微动脉和微静脉的血流速度加快，毛细血管及微动脉血流改善。

The raininess mainly depends on the concentration of raindrop, and bears no relation to the maximal diameter.

雨强的大小主要取决于滴浓的变化，而与雨滴最大直径关系不大。

Objective We examined the definitive effect of tumescent perfusion pressure, diameter of fat injection needle, lidocaine, epinephrine and garamycin on fat viability by glucose transportation test to offer reference to clinical practice.

目的：以葡萄糖转移实验检测肿胀液灌注压、注射针管内径，利多卡因、肾上腺素、庆大霉素对脂肪颗粒活性的确切影响，为脂肪移植术中如何控制这些因素提供参考。