熔点

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。

Thermal properties and hydrolytic degradability were investigated over a wide range of compositions.

测定了不同组分共混物的熔点和水降解性。

But Pb-Cu alloy liquid is immiscibly and generally and rapidly separated into two distinct layers due to the big difference of density and melting points between the Cu and Pb; it is difficult to produce the uniformly dispersed microstructure without segregation.

但是铜铅合金熔炼时，铜与铅的熔点、比重差距大，而且铅在铜中的溶解度很低，最终组织极易形成严重偏析，严重影响产品质量，很难制造出铅弥散分布于铜中的优质合金。

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。

In this article ,we talk about a method aims to separate two intersoluble solutions.

我们利用在合熔点附近的弹性温度，达到浓缩、分离的目的。

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。

The data of element analysis,melting point,IR and NMR for the product are consistent with the standard data,the purity exceeds 98%.3-methyl-2-oxobutanoic acid sodium ; sodium methoxide ; isobutyraldehyde ; diethyl oxalate

WSR-1熔点仪；Vario EL元素分析仪(德国E le-mentar公司)；Nexus 870型傅立叶变换红外光谱仪；aV500核磁共振仪。1.2 3-甲基-2-氧代丁酸钠的制备将15.4 g(0.28 mol)甲醇钠与60 mL(1.5 mol)甲醇装入500 m

Dodecamethlyene diammonium terephthalate(PA12T salt) and dodecamethlyene diammonium isophthalate(PA12I salt) can be prepared by using terephthalic acid or isophthalic acid with dodecamethylene diamines in ethanol solution, respectively.

通过 对PA 1 ZT、PA12I及其共聚物的聚合反应的研究发现，随着PA121组分的增加，相同反应条件下，产物的粘数呈增大趋势，熔点逐步降低，透明性逐渐增大，韧性增强。4。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失