查询词典 melting point

The influence of SiO2, Fe2O3 on the thermal conductivity, melting point of risers covering flux were studied in the paper and the effect of dilative graphite on expansibility and heat-insulating property were also investigated. The high temperature microstructures and the thermal insulation mechanism were researched by scanning electron microscope.

在综合硅酸盐相图理论知识及大量国内外研究资料的基础上，着重研究SiO2、Fe2O3对保温冒口覆盖剂的导热系数、熔化温度的影响，以及膨胀石墨对冒口覆盖剂膨胀性和保温性能的影响，并利用扫描电镜分析了冒口覆盖剂高温烧结微观组织形貌及其保温机理。

Molybdenum disilicide has gained industrial importance due to its high melting point, high emissivity, stable res...

MoSi〓具有高熔点、高发射率电阻老化特性好等特点，并通过产生保护膜而具有较好的高温稳定性，因此该材料在工业领域受到重视。

Molybdenum disilicide has gained industrial importance due to its high melting point, high emissivity, stable resistance over long periods of time and the ability to form a self-healing protective layer, which possesses an interesting combination of thermophysical and mechanical properties and has potential for structural use and heating in oxidizing environments at high temperature.

MoSi〓具有高熔点、高发射率电阻老化特性好等特点，并通过产生保护膜而具有较好的高温稳定性，因此该材料在工业领域受到重视。其实现了材料的热物理特性和机械特性的有机结合，并使材料在高温氧化环境下作为结构材料和电热材料的使用提供了可能。

To study the law of preparing paraffin which be used in the phase-change thermostatic vavle, The samples were made by mixtures of eicosane and octadecane with different proportion. The samples were investigated by DTA analysis and measurement of melting point.

为研究应用在蜡式温阀中的感温石蜡的调配规律，使用十八烷与二十烷以不同比例进行混合，测量每组样品的熔点，再对样品进行DTA差热分析。

Then, gasification experiments of high ash melting point coal with dry pulverized coal feeding were carried out on the gasification test system, the flame images were observed to validate the feasibility of flameless gasification inside the gasifier, temperature distributing inner the gasifier and syngas components were measured under different / atom ratio and steam/coal ratio conditions.

进而，建立煤粉气化炉的物理和数学模型，运用概率密度函数方法对高灰熔点煤在基于无焰氧化的煤粉气化炉内的气化过程进行了模拟计算，参照小试的试验工况，验证了气化炉模型；分析了不同氧碳原子比、蒸汽煤比和气化压力对高灰熔点煤气化特性的影响，并可视化地研究在典型工况下高灰熔点煤在该气化炉中气化过程，为进一步炉型结构和气化工艺的优化设计提供依据。

Adding Ag to the superconducting powder interlayer could reduce the melting point of interlayer,increase the glutinosity of interlayer,reduce the defects of jo...

另外在超导粉末中间层中添加适量的金属Ag可以有效的降低中间层的熔点，增加中间层的粘性，减少连接的缺陷，提高连接的质量。

Two needle-shaped crystal chemicals were identificated from a plateau plant Halenia elliptica D. Don. Some analysis methods, such as EA, MS, NMR, FTIR and UV spectrometly, as well as melting point analysis, were used for the characterization of them, results showed that they were 1,3-dihydroxy-4,5,8-trimethoxyxanthone and 1-hydroxy-2,3,4,8-tetramethoxyxanthone.

提取并鉴定高原植物椭圆叶花锚的全草中2种针状结晶化合物；采用元素分析、核磁共振波谱、质谱、红外光谱、紫外光谱、熔点测定等分析方法，对其化学结构进行表征；产物分别为1，3-二羟基－4，5，8-三甲氧基酮和1-羟基－2，3，4，8-四甲氧基酮。

The heterogonous nucleation of nano - CaCO3, PP - g - MA and PP - g - AA increases the crystallization temperature and melting point of PP.

纳米CaCO3和增容剂对PP／PS共混物中PP结晶存在异相成核作用，提高PP结晶温度和熔点，PP—g—MA和PP—g—AA的异相成核作用比CaCO3的大。

The results showed that the title compound more than the corresponding spiropyran one indoline ring system and had a melting point of 50℃ improved. It's general significant shifts in the λ=555nm of the absorption spectra of the open form and emission fluorescene properties were observed at 433nm.

结果表明，该化合物较相应单缩合螺吡喃多了1个吲哚单元且熔点提高了50℃，其紫外－可见吸收光谱中开环体在555nm处有最大吸收波长，荧光光谱中在433nm处可观察到荧光。

Thus the satisfied resalts have be achieved using the fluorane/iodonium salt thermocoloration system composed of binary dye and binary color developer with low melting point.

采用低熔点的二元染料和二元显色剂组成的荧烷/碘鎓盐热致显色反应体系获得了满意的结果。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。