粉末

The TiC/Cr18Ni8 steel bonded carbides were in situ synthesized by vacuum sintering with mixed powders of iron,ferrotitanium,ferrochromium,colloidal graphite and nickel as raw materials.

钢结硬质合金是以钢为粘结相，以碳化物为硬质相，采用粉末冶金方法制备的一种介于工具钢和普通硬质合金之间的铁基复合材料。

This paper is concerned with the determination of elements in ferromanganese using X-ray fluorescence spectrum method.

本文通过对X荧光光谱法测定锰铁中元素进行研究，试样采用粉末压片法制成，用国家标样和自制标样绘制工作曲线，取得了较好的效果

A kind of Fe-Ti-C composite powder for reactive spraying was prepared with ferrotitanium and sucrose as raw materials. TiC/Fe composite coatings were synthesized and deposited by reactive plasma spraying.

以钛铁粉、铁粉和蔗糖为原料，采用前驱体热分解复合技术制备了Fe-Ti-C系反应热喷涂粉末，并通过普通等离子喷涂技术原位合成并沉积了TiC/Fe金属陶瓷复合涂层。

"Grand feu" enamelling is one of the expert techniques that constitute the signature of a Jaquet Droz watch. Master dial-makers perform this operation entirely by hand, playing with fine powders and subjecting them to fire.

"大明火"珐琅工艺是一项专门工艺技术，正是这种技术构成了Jaquet Droz手表的标志，其操作工序完全由大师级的表盘制作家通过手工来制造完成，他们精选上等材料粉末剂，用大明火高温烧制而成。

Sericin is a kind of protein surrounding fibroin, It is light yellow powder and soluble in water.

丝胶是包覆在蚕丝丝质外层的胶体蛋白质。分子量一般在2000－10000之间，呈淡黄色粉末，溶于水。

The fineness of the powder,and its homogeneity are essential to the success ot the following procedures.

粉末的细密程度以及均匀性是后续过程成功的基础。

Do not use powder if the fingermark is visible under oblique lighting .

如果手印在斜照灯下可见的话则不使用粉末。

This unit comes complete with a domed high temperature black powder coated fire screen and screen lift tool.

该单位来完成一个圆顶高温黑色粉末涂火屏幕，屏幕提升工具。

The system is comparatively small and light so that it can be fix just upon the nozzle.

由于采用了微型化的结构设计以及铝合金和有机玻璃等材料加工，整个系统体积小，重量轻，可以直接装配在喷嘴上方，从而有效地缩短了送粉路径，提高了粉末控制的响应速度。

When flammable powders are dispersed in the air, they can explode.

当可燃的粉末分散在空气中将会发生爆炸。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。