查询词典 boring-powder

It is prepared by the steps: using vacuum machine set to vacuumize the reaction chamber, then charging protective gas to generate electric arc between moving electrode and metal Pb, and quickly condenses Pb steam to deposit Pb powder in powder collector.

本发明所述的铅粉按以下步骤制得，用真空机组对反应室抽真空，再充入保护气体，在运动电极与金属铅之间产生电弧，对铅蒸气快速冷凝，沉降至收粉器中。

The physical and chemical changes and phase transformation of xerogel powder during heat-treatment are examined by means of DTA, XRD. The morphology of wollastonite powder is also observed by TEM.

采用DTA、XRD等研究了CaO-SiO2之凝胶粉末在热处理过程中的物理、化学变化及晶相转变，并通过TEM观察了干凝胶粉末热处理产物的形貌。

Zincic content (often a 10% to 30%) of the different results from different colored powder, such as zincic of 8% to 2% 1, color cast, commonly known as hongguang powdered gold or red gold; 20% to 30%, color cast, commonly known as green light powder or green gold.

含锌量(一般为10%～30%)的不同可产生不同颜色的金粉，如含锌量8 %～1 2 %，色偏红，俗称红光金粉或红金；20%～30%，色偏青，俗称青光金粉或青金。

Gold ink in paint powder, it is made of copper and zinc alloy powder, we recreate the determination of zinc in the usual 8％~ 30 per cent, of which, the zincic rate of 8 per cent ~ 12% between gold ink color partial red Scarlet red, gold, and the rate of zincic 20％~ 30％ gold ink colors between the partial pteroceltis, commonly known as green gold, red and blue gold gold described as she has grown up between.

金墨中的颜料是金粉，它实际上是由铜、锌合金制成的粉末，金粉中锌的含量一般在8％~30％左右，其中，含锌率在8％~12％之间的金墨颜色偏红，习惯上称为红金，含锌率在20％~30％之间的金墨颜色则偏青，一般称为青金，介于红金和青金之间的称为青红金。

Through chemical analysis and X radiation diffraction, the composition of the synthetic powder is obtained. In the synthetic powder, there are crystal NaCl and noncrystal Fe〓O〓 and BaCO〓.

通过化学分析和X射线衍射的检测，得出了合成料粉中所含成分及其存在状态，除了助熔剂氯化钠以晶态存在外，其它均是非晶态物质。

"Chemical explosive s are of two types: detonating explosive s (e.g., TNT, dynamite) have extremely rapid decomposition and development of high pressure; deflagrating explosive s (e.g., black powder, smokeless powder) merely burn quickly and produce relatively low pressure."

化学爆炸物有两类基本的炸药，一为爆轰炸药(如三硝基甲苯〔TNT〕和黄色炸药)，能极快分解，造成高压。二为爆燃炸药能很快燃烧，但产生的压力较低。

"Chemical explosives are of two types: detonating explosives (e.g., TNT, dynamite) have extremely rapid decomposition and development of high pressure; deflagrating explosives (e.g., black powder, smokeless powder) merely burn quickly and produce relatively low pressure."

化学爆炸物有两类基本的炸药，一为爆轰炸药(如三硝基甲苯〔TNT〕和黄色炸药)，能极快分解，造成高压。二为爆燃炸药能很快燃烧，但产生的压力较低。

Hydraulic overflowing separation is a high degree of accuracy solution of powder gradation. Single-site distribution of powder can be obtained by hydraulic overflowing separation, which can be used on abrading and polishing technology.

水力溢流分级精度较高，是目前常用的超细颗粒分级方法，通过溢流分级，可以将研磨后的粉体分级成为某一特定粒度分布的粉体，以适应研磨抛光等行业对粒度分布的要术。

The two concepts of slag blending ratio in cement and admixing quantity of slag are liable to be confused when producing cement with clinker powder and slag powder .

采用熟料粉、矿渣粉拌和水泥生产工艺，往往易混淆水泥中矿渣粉配比和矿渣掺入量这两个概念。

Taller three oxidates wolfram of test first of all by means of calcines APT''s system is get pureness ,Afterwards separately after oxidate and reduction ,The wolfram restores to the wolfram powder through three oxidates ,The gains wolfram powder again oxidate is three oxidates wolfram ,Restore queen after twice oxidates ,The gains stuff pellet is more and more carefully ,Finally obtain sub－micron yardstick three oxidates wolfram .

实验首先通过煅烧APT制取了纯度较高的三氧化钨，然后分别经过氧化和还原，由三氧化钨还原为钨粉，所得钨粉再氧化为三氧化钨，经过两次氧化还原后，所得材料颗粒越来越细，最终得到亚微米尺度的三氧化钨。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。