小方坯不锈钢用保护渣的研制 关键词 :2Cr13;凹陷;结晶器保护渣;熔化温度;粘度 [gap=1215]Key words :2Cr13;dent; mould fluxes;melting temperature;viscosity
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...变性时DNA双螺旋解开, 于是碱基外露,碱基中电子的相互作用更有利于紫外吸收,故而产生增 Tm:熔解温度(melting temperature) 熔解温度(Tm ):通常把热变性 过程中A 260 达到最大值一半时 的温度称为该DNA的熔解温度 DNA的变性发生在一个很窄的 温度范围内.
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洗脱通常在低于杂交体解链温度12-20℃的条件下进行。解链温度(melting temperature, Tm )是指在双链DNA或RNA分子变性形成分开的单链时光吸收度增加的中点处温度。
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melting temperature Tm 熔解温度 ; 融解温度 ; 解链温度
TM melting temperature 熔化温度 ; 融解温度
low melting-temperature agarose 低熔点琼脂糖
pressure melting temperature 压融温度
sample melting temperature 熔样温度
ash melting temperature 灰熔融温度
Starch was pre-gelatinized and plasticized in order to destroy the crystal structure and reduce the melting temperature.
反应在本体熔融条件下进行,淀粉经过了糊化和增塑改性,以破坏其结晶结构和降低熔融温度。
参考来源 - 淀粉原位接枝丙交酯的研究That is, melting temperature was increased; wettability and shear strength of solder joint were decreased.
钎料的熔化温度有所升高,润湿性能以及时效前、后接头剪切强度均有所下降。
参考来源 - 微量元素对SnAgCu无铅钎料性能和显微组织的影响Consider the ash melting temperature and composition of the ash content of the chemical composition on the method of statistical analysis and neural network.
本文研究提出考虑煤灰各成分熔融温度与煤灰化学成分含量的统计分析判别方法及神经网络判别方法。
参考来源 - 煤的结渣特性研究The melting temperature and time, annealing temperature and time and the micro-crystallization process were investigated by investigating the prearation techanics of the three types of up-conversion glasses.
系统地探讨了三种上转换玻璃的制备工艺,确定了最佳熔化温度及时间、退火温度及时间以及对微晶玻璃的微晶化处理过程。
参考来源 - 氟氧玻璃上转换发光材料的制备与表征Melting temperature studies were performed by measuring the change in absorbance at 260nm using a Cary 100 Bio UV/Vis spectrophotometer (Varian Inc).3.
本实验用瓦里安公司生产的紫外分光光度计(Uv-visible spectrophotometer,Cary 100),在260nm下测量杂交双链的吸收值,得到解链温度。
参考来源 - 碱基错配对核酸稳定性及其解链温度(Tm)的影响·2,447,543篇论文数据,部分数据来源于NoteExpress
For Valentine's Day, NBC Learn takes a look at the chemistry of chocolate, explaining why the treat is so irresistible thanks in part to its ideal melting temperature and mood-lifting compounds.
对于情人节,NBC learn 关注了巧克力中的化学,解释了我们对其如此难以抗拒的原因部分是因为它理想的熔化温度和情绪提升的化合物。
Nb-based alloys are important high temperature structural materials because of their high melting temperature, corrosion resistance, and high temperature strength.
铌及铌合金以其熔点高、耐腐蚀和良好的高温强度成为重要的高温结构材料。
At the same time, it is shown that the initial melting temperature was related not only to the rock composition, but also to the condition during the formation process.
同时,由实验表明,岩石初熔温度除与岩石成分有关外,还与岩石实际形成条件有密切联系。
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