A sample of multi-cladding high concentration silica host erbium doped fiber with bismuth-gallium-aluminum co-doped is fabricated by MCVD process with a type of annular graphite heater furnace. 采用环形石墨炉加热的改进化学汽相沉积(MCVD)车床制作出了多包层铋镓铝共掺的石英基高浓度掺铒光纤,并对其几何参数和吸收谱进行测试和分析。
This article introduces a new type of detergent TS-198, which is specially suitable for processing sand filter material containing graphite and greasy dirt in filter tank. 作者介绍了一种专门适用于处理含石墨及油污的过滤器砂滤料的清洗剂TS&198。
When it being used for gray irons, A type graphite with length of 4~ 6 class can be stably obtained, and mechanical properties can be increased. 用于灰铸铁,可以稳定获得A型石墨,石墨长度达4~6级,力学性能提高。
There have been differences views on estimating the effect of type D graphite in gray cast iron for a variety of reasons. One of them is that austenite dendrites usually presents with a large percentage of type D graphite. 对灰铸铁中D型石墨的认识一直存在分歧、影啊正确评价D型石墨的原因是多方面的,奥氏体技晶常与D型石墨同时出现是其中的原因之一。
This paper introduced the structure characteristics and operating results of a new type baker for graphite mold. 介绍一种新型石墨型烘干生产线的结构特点及应用效果。
A Study on the Thermal Fatigue Property of Cast Irons with Different Type of Graphite 不同石墨形态铸铁热疲劳性能试验研究
The removal of oil materials from water by a new type graphite material 新型石墨材料对水中油性物质脱除的实验研究
A New Type of the Solid Lubricant Material-Preparation and Properties of Graphite Fluoride 新型固体润滑剂&氟化石墨的制备与性能的研究
It is some difficult to produce boron alloyed cast iron cylinder sleeve with uniformly distributed A type graphite and to eliminate the chill layer in centrifugal casting. 采用离心铸造工艺生产基体组织呈A型石墨均匀分布的硼铸铁汽缸套存在一定的困难且容易产生白口。
Consequently, establish a new type of sensors about detecting Ochratoxin A. Furthermore, reduce the adsorption of Ochratoxin A with oxidation graphite by selecting the right protective agents in order to improve the sensitivity and accuracy of test method. 通过选择合适的保护剂来降低氧化石墨烯对赭曲霉毒素A的吸附,提高检测方法的灵敏性和准确性。
Rare-earth graphite intercalation compounds, a new type of composite materials, are made by inserting particles containing rare earth elements into the graphite layers under certain conditions. 稀土石墨层间化合物是指在一定的条件下,将含有稀土元素的粒子插入到石墨层间,形成的一种新型的复合材料。