diameter的例句大全

Nano-copper hydroxide precursors with the diameter of 20 to 30 nm have been synthesized by means of wet-chemical way, using cupric sulphate and sodium hydroxide as reactant, ammonia as controlling reagent, respectively.

以硫酸铜和氢氧化钠为原料，氨水为纳米颗粒粒径控制剂，通过湿化学方法合成了20～30nm纳米氢氧化铜棒状原药。

The numerical calculation methods of the cutoff wavelength and mode field diameter are described in detail.

给出了数值计算截止波长和模场直径的方法；

It is found that un-breaking field will be enlarged with the decrease of the tool cutting edge angle because of the lessening of the diameter of the cutting angles.

指出随主偏角的减小，其非折断区域将进一步扩大，切屑外径的减小是其不折断的主要原因。

Especially the determination method of the barrel diameter, the structure and experimental results of the long barrel shape of cyclone collector designed by us are described.

着重叙述筒体直径确定方法，以及我们设计制造长筒形旋风分离器的具体结构和令人满意的试验结果。

The inflorescence of Potentilla cryptotaeniae is corymbose cyme; its color is mainly yellow, its flower diameter is from 3 to 3.8mm; its florescence is from June 30th to September 10th; its fruit period is from July 25th to October 5th.

花序为伞房状聚伞花序，花黄色，花径3～3.8mm，花期6月30日～9月10日，果期7月25日～10月5日。

The effect of T sterile cytoplasm on ear diameter reached significant level.

百粒重在不同不育胞质中均表现为正效应，但未达显著水平。不育胞质对穗粒重有负影响，T胞质、C胞质与正常胞质的差异均达显著水平。

It was found that with a size ratio higher than the critical value the particles with larger diameter cannot form ordered close-packed basic lattice, and as a result the corresponding binary colloidal crystal had a low degree of order, which was in accordance with previous literatures.

实验证明，当微球粒径比高于该值时，大球将无法形成具有密排有序结构的基本点阵，所得二元胶体晶体的有序度很低。这与现有文献报道一致。

Results Three imaging manifestations of superior femur vein after wearing ring were found in 42 lower extremities: ( 1) The diameter of femur vein is normal;

结果发现42支股浅静脉瓣带戒环缩术后该静脉上端有3种不同表现：①股浅静脉管径正常。

This paper introduces hydraulic-formed of large diameter bellows and the control of hydraulic-former, mould, water-tight seal, manufacturing process used in three gorges project.

本文结合近年来在工程上的应用实践，就大直径波纹管的液压成形制造，在液压成形机、模具、水密封及制造工艺控制等方面介绍了部分成果和应用实例情况（三峡右岸工程）。

A satisfactory finishing effect has been obtained by a means of dry-laying granite facing on steel ring beam 80 m in diameter.

在80m直径的环形钢梁上干挂花岗石，取得了令人满意的饰面效果。

Calculation to the Conveying Capacity and the Tube Diameter of the Tubular Belt Conveyor

管状带式输送机输送量与管径的计算

Grade. Calculation of Critical Backing Pressure and Diffuser Throat Diameter of Oil Vapour Pump

油蒸汽流泵的临界前级压力及扩压器喉部直径的计算

The primary originality is to develop a mechanical model of the follower rest and to investigate the main influencing factors of the diameter error of slender bars.

本文的主要贡献是在建立跟刀架的力学模型的基础上分析了影响细长轴车削尺寸误差的主要因素。

Changes in biomass increment, plant height, and basal diameter with water gradient reflected the slow-growing attributes of the seedlings.

生物量、株高和基茎增量的变化反映了沙地柏生长的缓慢性。

This device can overcome the limitations in sharpening small-diameter drills in the interior conical surface and hence improves the efficiency and quality in twist drill's sharpening.

克服了用成型砂轮实现麻花钻的内锥面刃磨时，小直径尺寸的麻花钻无法磨削的缺点，同时又能提高麻花钻的刃磨效率和刃磨质量。

Based on Diameter scheme, the following research may contrapose the character of 3G services and networks, combine the developing trend of accounting system of inland and overseas, research on the convergence of pre-paid and post-paid, implement the unified support of the two group of users.

基于Diameter方案，后续研究工作可针对3G网络和业务的特点，结合国内外计费系统的发展趋势，研究后付费和预付费的融合方案，实现两大用户群的统一支撑方案。

The study on the experiment of wall thickness deformation of coreless bended small-diameter tube

小直径管无芯弯曲壁厚变形的试验研究

They are oncogenic DNA virus with icosahedral capsids 40 nm~ 45 nm in diameter, containing three to four viral proteins and double strand, covalently closed, circular genomes approximately 5 000 bp in size.

病毒无囊膜，直径40nm～45nm，有3种～4种衣壳蛋白，基因组为约5000对核苷酸组成的双链闭合环状DNA。

Tests of pressurized fluidized bed gasification of Shaanxi binding coal using pure oxygen as gasifying agent are conducted in a gasifier with 100 mm internal diameter pressurized fluidized bed.

在内径100mm的加压流化床气化炉内，进行陕西粘结煤的加压流化床纯氧气化试验。

Distichum. The relative height growth, relative ground diameter growth and biomass increment decreased with increase of soil salt content and decrease of soil water content.

落羽杉相对高生长、相对地径生长和生物量增量随着土壤盐分浓度的增加和土壤水分含量的减少而减少。