Dye intermediates& General method for the determination of melting range GB/T2384-1992染料中间体熔点范围测定通用方法
Chemical reagent& General method for the determination of melting range GB/T617-1988化学试剂熔点范围测定通用方法
Research of Melting Temperature, Melting Range and Isothermal Crystallization of LDPE and LDPE/ TiO_2 Nanocomposites Determined by Dilatometry LDPE及LDPE/TiO2纳米复合材料的熔限及等温结晶研究
By means of determination for fractionation and purification samples on IR 、 acid value 、 melting point ( melting range)、 average molecular weight and whiteness degree, we know that this system can be used carrying out the goal of fractionation and purification completely. 通过对分级精制样的红外吸收光谱、酸值、熔点(熔融范围)、平均分子量和白度测定结果表明,该体系是完全能够达到分级精制目的的。
The melting temperature measurement is carried out for covering of acid electrode. Effect of three kinds of stuff like rutile, marble and white mud on melting temperature and temperature range are studied for the acid covering. 通过对酸性焊条药皮熔化温度的测定,研究了金红石、大理石、白泥等三种主要组分对酸性焊条药皮熔化温度和熔化温度区间的影响规律。
Effect of covering components on its melting temperature range for acid electrode 酸性焊条药皮主要组分对熔化温度及其区间的影响
The influence of alloy elements on the melting range and tensile strength are reduced in the order of Cd, Sn and Pb. Cd元素对合金熔程、抗拉强度的影响最大,Sn元素次之,Pb元素的影响最小。
The results show that ( AgCu_ ( 28))_ ( 80) In_ ( 11) Sn_9 alloy has a low solidus temperature and melting range, a simple phase structure and a moderate spreading ratio. 结果表明:(AgCu28)80In11Sn9合金具有较低的固相线温度和熔程、简单的物相结构、适中的铺展率。
And isothermal distillation showed the regularity of vacuum distillation of Bi-Ag-Zn crust. The melting temperature range of Bi-Ag-Zn alloy in argon was determined. 和恒温蒸发曲线确定了铋银锌壳在真空中挥发的规律,并在氩气中测定了铋银锌合金熔化温度范围。
Due to insertion of ethylene comonomer in PP backbone, melting temperature range lowered and some melting peaks at high temperature disappeared. 而共聚单体的插入会明显降低熔融温度范围,使部分高温区间的熔融峰消失。
The methed for measuring melting Point range of hot melt adhesive was discussed. The calculation method for evaluating the melting point of the adhesive us also discussed. 本文就服装粘合衬布用热熔胶及热熔胶胶浆熔点范围测定方法、计算方法进行了分析和讨论,阐述了热熔胶及热熔胶浆的熔点(范围)的测定方法和计算方法。
Comparing the smelting effects of the different smelting methods, the melting range of metal mixture is between 1 100~ 1 200 ℃, and adding anti-oxidation coating can improve the non-oxidizability of metals while smelting. 比较不同冶炼方法的熔炼效果,获得混合金属的熔炼温度在1100~1200℃,并得出在冶炼时添加高温防氧化覆层能够提高抗氧化性能;
The melting temperature and its range of the converter slag containing vanadium and titanium oxides ( different contents) were measured. 测定了钒钛钢渣在不同组元含量条件下的熔化性温度及熔化区间。
The higher the mold temperature, the higher the initial melting temperature and more narrow melting range; 模具温度高,熔化起始温度高,熔程窄;
The coefficient of linear expansion of the body and glaze, the melting temperature range, the whiteness, the microhardness and the heat stability of glaze were tested. 测试了基体和熔块的线膨胀系数、釉的熔融温度范围、釉面的白度、显微硬度和热稳定性等性能。
Melting temperature of the system is lower ( 1200 ℃±), and the melting temperature range is wider than the composition with separately magnesian or calcareous silicate mineral. So the sinter temperature could be obviously reduced and the process period will be distinctly shortened. 其共溶温度(1200℃±),且熔融温度范围比单一含Ca或含Mg硅酸盐矿物宽,可明显降低陶瓷烧结温度,缩短烧成时间。
The structure and properties of the material are also tested and its PL peaks are between 400~ 472 nm with its melting point in the range of 247~ 248 ℃. 并对产品的结构与性能进行了相关的测试,其光致发光波长(PL峰)为400~472nm,熔点为247~248℃。
The equation-of-state ( EOS) used is GRAY three-phase EOS, which gives a more detailed and complete thermodynamical description of metals in the melting range. 我们所用的状态方程是GRAY三相状态方程,它对熔化区域中的金属作了详细且在热力学上更为完整的描述。
A New Understand to Melting Point, Solidification Point and Range of Pattern Waxes 对精铸模料熔点、凝固点、凝固温度区间的再认识
Simulation results shows that temperature distribution in fine pitch joints is controlled by laser local heating characteristics, and then melting range of solder on the joint is controlled for defense solder bridging on adjacent leads. 理论分析结果表明,由于激光的局部集中加热特性,能够有效地控制焊点温度场分布,从而可以有效地控制焊点钎料的熔融范围,解决细间距引线焊点钎料桥连的问题。
Because of different compositions of minerals in different localized melting systems, chemical compositions of melts range from basic to acid at the same temperature. 受局部熔融体系内部物质组成的控制,同一温阶、不同体系内的熔体成分变化很大,呈基性、中性和酸性。
It is significant to improve product quality and conserve energy by studying on slag and steel slag melting temperature, melting temperature range, crystallization temperature and crystallization rate and other important physical properties. 研究炉渣、钢渣的熔化温度、熔化温度区间、结晶温度和结晶率等重要物理特性对提高产品质量、节约能源等都有着重要的实用价值。
The thermal actuation is a new way to solve the problem, in which paraffin is used as an expansive material whose coefficient of volume expansion in the melting point temperature range is very high. 石蜡在熔点附近具有很大的体膨胀系数,以石蜡作为热膨胀材料的热驱动是解决这一问题的新途径。
The gadolinium doped and lutetium doped borosilicate glass system were prepared by the technique of high-temperature melting at different temperature and the formation range of glass are experimentally obtained, respectively. The thermal stability and broadband emission characteristics of the prepared glasses were discussed. 制备了一系列的钆硼硅酸盐玻璃和镥硼硅酸盐玻璃,分别确定了这两类玻璃系统的玻璃形成范围,讨论了玻璃的热稳定性及宽带发射特性。