直径的

The invention relates to a PCVD manufacturing method for an optical fiber mandrel with large diameter.

本发明涉及一种大直径光纤芯棒的PCVD制作方法。

Measurement method can directly measure the diameter and length of the mathematical quadrature formula.

测定的方法可直接量其直径和长度用数学求积公式计算。

Machining tests were carried out on a Matsuura FX5 20,000 rpm, prismatic machining centre using 6 mm diameter, coated tungsten carbide ball end tooling.

是用机器加工试验被从里面一Matsuura FX520，000 rpm继续进行棱柱的用机器加工使用6毫米心直径，在碳化钨球末端工具作业上涂。

Methods: By the transmission electron, image-manipulation system, the proportional volume, mean diameter and numerical density of the atrial specific granules were studied.

采用透射电镜，高清晰彩色图像分析系统对大鼠心肌细胞心房特殊颗粒的体密度、数密度及颗粒平均直径进行数据处理。

PZT (50/50) thin films were prepared by metallo-organic compound decomposition method using lead acetate, titaniu m-n-butoxide and zirconium oxychloride on Pt/SiO〓/Si substrates.

其基本淀积条件为：微波功率500W，反应压力0.4Pa，衬底温度100℃，气体流量30～50 SCCM，此条件下薄膜的淀积速率大于15nm/min，8英寸直径内均匀性优于97%，折射率分别在1.93、1.47和1.47～1.92。

Explosion, a diameter of only 2 meters of meteorite ...

一声巨响，一颗直径只有2米的陨石

Visible to the naked eye meteoroid 0.1-1 cm in diameter between.

肉眼可见的流星体直径在0.1-1cm之间。

The micelle diameter was investigated by virtue of dynamic light scattering.

通过动态光散射方法测试了胶束的直径。

However, the common GBE is microsome, which has difficulty in crossing the brain blood barrier because of big molecule diameter.

但普通GBE 药物颗粒直径较大，为大分子药物，较难穿透血脑屏障，其主要成分为黄酮类和内酯类化合物，易溶于有机溶剂，不能溶于水所以大大限制了其在临床上的应用。

This paper took the paddy soil after saving-water irrigation as the object,which is from Taian town of Yangzhou city, selected microtomy to get undisturbed soil samples respectly between two periods(before irrigation and after harvest), built up the analytical technique of numerical picture system.It also set up the analysis index of macropore structure,such as the number of macropores N, the macroporosityφ,the area A, the perimeter P and so on. Meanwhile make analysis contrast about horizonal distribution among 4cm, 6cm and 8cm scanning areas, vertical differences per 2cm unit and contrast in time between different periods.

本文选取扬州市泰安镇节水灌溉后稻田土壤为研究对象，采用切片法取开灌前和收割后的原状土样，运用数字图像制备技术，获取大孔隙数目N、大孔隙度Φ、面积A、周长P等分析指标，对4cm、6cm和8cm扫描直径内大孔隙作水平向差异性分析，对2cm单位深度上作垂向差异性分析以及对两个不同时期作时间差异性分析。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐