粉末

Cuprous acetylide takes the form of a russet or reddish-brown powder, insoluble in water and in the majority of organic solvents

乙炔亚铜是黄褐色的红棕色的粉末，不溶于水和大多数有机溶剂。

Cuprous acetylide takes the form of a russet or reddish-brown powder, in soluble in water and in the majority of organic solvents

乙炔亚铜是黄褐色的红棕色的粉末，不溶于水和大多数有机溶剂。

Then, acid precipitation method and chilled alcohol precipitation method were applied to extract sericin.

采用酸析法和低温乙醇沉淀法对粗粉末中的丝胶进行提取，结果表明：低温乙醇沉淀法的提取率较高，采用体积分数为75%的乙醇溶液提取率达到64%。

The article also voted to the reactor in powdered activated carbon to increase the effectiveness and mechanism are discussed.

文中还对向反应器中投加粉末活性炭的效果和作用机理进行了讨论。

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。

Different experimental conditions were investigated to reveal the formation mechanism of aerogel powder.

通过大量实验，探讨了制备条件对气凝胶粉末粒径的影响。

It be easy to solve in alcohol ,aether and warm water.

本品为白色或浅白色粉末，熔点：260～264℃，易溶于醇、醚和热水。

M porous structure confirms transmission of body fluid of human body and ingrowths of mineral and fiber tissue, then made it firmer combine with around tissue of human body and the commutative pores was favourable for affusion of bioactive HA.

本实验采用东北大学陶瓷研究所研制成功的由Ti粉和Ni粉为主要原料，采用TiH_2和NH_4HCO_3作为造孔剂，通过粉末冶金方法制备的多孔NiTi合金，并采用真空灌注羟基磷灰石的方法取得的种植体的新材料，在添加TiH_2做为造孔剂的基础上在Ti：Ni原子比为50%：50%的试样中添加NH_4HCO_3做为第二种造孔剂后，试样中的气孔经检测是由100～500μm的大孔、1～50μm小孔和1μm以下的微孔组成，产生了合理的粗化表面并同时得到了固位良好的生物涂层。

The company introduces the overseas equipment's new technology unceasingly, the development produces the automatic sand which, mechanic Taiwan, dentistry multi-purpose powder dust catcher dentistry mechanical devices and so on mechanic dresser, agar-agar heater, agar-agar mixer compares favorably with the overseas similar products, the company present has become one of oral cavity most influential enterprises.

公司不断引进国外设备的新技术，开发生产出与国外同类产品相媲美的自动喷砂机、技工台、牙科多功能粉末集尘器技工打磨机、琼脂加热器、琼脂搅拌机等牙科机械设备，公司目前已成为口腔界最具影响力的企业之一。

What is the most important is that appropriate amount of dispersant(10wt%) reduces the size of agglomerate obviously.

最重要的是，适量(10wt%)分散剂可以使粉末中的团聚体尺寸明显减小。

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