查询词典 graphite

The manufacturing technique of abrasive tool is a key and interrelated technique in graphite electrodes abrading, and it directly affects abrading results.

精度是研磨加工中很重要的一个工艺指标，本文对研磨复形精度进行了实验研究，认为从零件原形到石墨电极的过程中，精度主要损失在从原形到研具的过程中，并对此提出了二次成型的方法和制造原形时进行误差补偿的方法来解决这一问题。

The paper reviews the research fruits of preparation, adsorbing performance and mechanism of expanded graphite in recent years.

本文介绍了近年来人们在膨胀石墨的制备、吸附性能及机理研究等方面的成果。

A cast iron alloyed with silicon in which the graphite exists in the form of flakes.

灰铸铁：一种用硅合金化的铸铁，其石墨以片状存在。

This work offers a large number of data which can be used to analyze and compare with experiment values in the future.It bulids a theory platform for the later research of elements.Positron annihilation in several carbon allotropes has been studied.The results show that:Positron mainly annihilates in the interspace between layers in the single crystal of graphite.

元素单晶中的单空位附近的束缚态正电子寿命计算时与实验结果比较一部分符合的很好，还有一部分单空位附近的束缚态正电子寿命值与实验结果比较相差较大，这可能是计算中固定了单空位的近邻原子，没有考虑单空位形成时周围原子的重新排布造成的，也可能是该方法的固有缺陷。

Substance such as graphite or porcelain, used for melting and calcining ''.

坩埚一种用石墨或瓷等耐熔''。

It has been found that carburetting with graphite can efficiently prevent the surface crack of cast iron.

研究还证明，用石墨增碳可以有效地改善激光熔化区和合金化区的组织和性能，并且有效地防止裂纹的产生。

The CAWs, graphite and mineral oil were directly mixed to make the CAW modified carbon paste electrode and the electrocatalysis of the modified electrode to hydroquinone was studied.

用直接混合法制备了碳原子线修饰碳糊电极，并研究了对苯二酚在该电极上的电化学行为。

Then the temperature is higher than 10 degrees for charring, long holding time, and then formed with graphite structure of charcoal.

再经温度高于1000度以进行炭化，保温时间特长，然后形成带石墨结构的木炭。

Experimental results showed that by using 5%NH4H2PO4 as the matrix modifier and used graphite tube,setting the charring te...

使用标准物质(茶叶GBW 10016)对该方法进行了检验，结果表明铅的测定值在标准样品的保证值范围内。

Standard grade for turning, drilling, milling, reaming, countersinking of hardened steels, white and grey cast iron light metals, plastics and synthetic materials, Al-Si-Mn-Cu-alloys, glass, ceramics, graphite.

对硬钢、白铸铁、灰铸铁、轻金属、塑料、合成材料、铝-硅-锰-铜合金、玻璃、陶器、石墨等进行车削、钻孔、铣削、铰孔、穿孔等加工的标准牌号。

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％。