熔化温度
- Melting temperature;fusion temperature;melt-down temperature
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B2O3作助熔剂对CaO基精炼渣系熔化温度的影响
Effect of Fluxing Agent B_2O_3 on Melting Temperature of CaO-Based Refining Slag
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MonteCarlo方法在硅酸盐玻璃熔化温度计算中的应用
Monte Carlo method in calculation of the melting temperatures of silicate glasses
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采取提高熔化温度降低保温时间的措施可以降低Al的挥发烧损。
Volatilization loss of Al element can be decreased by increasing melting temperature and shorten holding time .
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Ag和Ni元素对Sn-Sb-Cu无铅钎料熔化温度和铺展性能的影响
Effect of Ag and Ni on melting temperature and spreadability of Sn-SbCu solder alloy
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Pb纳米线熔化温度的变化量与相同尺寸Pb纳米薄膜的变化量之比为2∶1。
Variation ratio between Pb wires and films is 2 ∶ 1 in identical size .
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明胶浓度越高、pH值越接近等电点、胶凝温度和熔化温度越高,胶凝时间越短,同时形成的凝胶网络的弹性和凝胶强度大;
High concentration , pI and low temperature result to higher gelling point , shorter gelling time and higher gel strength .
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接近表面熔化温度时,双悬挂键单原子、c(2×2)和三聚体等亚稳态结构都消失,表面只存在稳定的p(2×1)结构。
Up to the surface melting temperature , these metastable structures disappear and the simple p ( 2 × 1 ) structure remains on the surface .
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MgO和Li2O对预熔型无氟连铸保护渣熔化温度的影响
Influence of MgO and Li_2O on Melting Temperature of Free Fluoride Premelted Continuous Casting Mold Fluxes
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随Li2O含量的增加,保护渣的熔化温度、粘度和转折温度逐渐降低,析晶率逐渐升高。
When content of Li_2O increases , melting temperature , viscosity and break temperature decreases gradually , while crystallization ratio increases gradually ;
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有机氯农药与p53DNA和C-mycDNA之间也以嵌插作用为主,同时有机氯农药的加入也会减低DNA的熔化温度。
The main mode of organochlorine pesticides with p53 DNA and C-myc DNA was intercalation , and pesticides could also decrease the DNA melting temperature .
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通过金相观察、SEM、XRD及拉伸力学试验对钎料的金相组织、相结构、熔化温度及力学性能进行了分析测试。
The metallurgical structure , phase structure , melting temperature and mechanical property of solder are investigated by OM , SEM , XRD and mechanical property test .
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ZnO、NiO、TiO2对保护渣的熔化温度影响都不大,但都有降低粘度和转折温度的作用。
Additions of ZnO , NiO , TiO2 have a negative effect on viscosity and break-temperature , but a little positive effect on melting temperature .
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在Li2O<2.5%的时,增加Li2O对熔化温度的降低作用非常明显,大于2.5%后作用趋缓;
When Li_2O < 2.5 % , the influence of Li2O increasing on reducing of melting temperature is significant , when Li_2O > 2.5 % , the influence is not evident ;
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随溅渣层中T(Fe)含量减少,其熔化温度升高,因而可减少溅渣层在吹炼终点高温下的熔损。
The melting temperature of slag coating rises with the decrease of T ( Fe ) % in slag so as to decrease the melting of slag coating at blowing end in BOF .
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对熔化温度和粘度而言:MgO含量为5%时,精炼渣的粘度存在一个最低值,MgO对渣的熔化温度影响不大;
Viscosity of samples has a minimum value when MgO is reached 5 % , while MgO has a little influence on molten temperature of samples .
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经甲基铝氧烷(MAO)活化,化合物2在较低Al/Zr比条件下既可有效地催化乙烯聚合,生成高分子量、高熔化温度聚乙烯。
Upon activation with methylaluminoxane ( MAO ), 2 effectively polymerizes ethylene and produces high molecular weight polyethylenes with high melting transition temperatures at low Al / Zr ratios .
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此外,UHP明胶胶凝性能也优于商品明胶,如较高的凝胶强度、胶凝/熔化温度和黏度的热稳定性以及黏度对剪切速率较低的敏感性。
The gelling / melting temperatures and thermal stability of viscosity of UHP gelatin were higher , while the sensitivity of viscosity to shear rate was lower .
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高拉速连铸工艺要求连铸保护渣的熔化温度应适当降低、熔化速度应适当增大、粘度适当减小、凝固温度应适当降低、Al2O3吸收速率应适当增大。
In the high speed casting the melting temperature , viscosity and solidification temperature of the mould flux should be properly reduced and the melting rate and Al 2O 3 absorption rate be increased .
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主要结果如下:(1)紫外荧光滴定实验结果表明有机磷农药与端粒DNA之间主要是以嵌插方式结合,有机磷农药分子的加入会造成端粒DNA的熔化温度下降。
The main results were listed as following : ( 1 ) The UV and fluorescence titration experiments showed that the interaction of organophosphorus pesticides and telomere DNA was in a main intercalative mode , and the pesticides could lead to the DNA melting temperature decreased .
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利用二次回归正交法研究了含SrO的Al2O3-CaO型预熔精炼渣的熔化温度和粘度。
The melting temperature and viscosity of Al_2O_3-CaO base pre-molten refining slag containing SrO was studied by means of quadratic orthogonally regression .
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结果表明,在Ag基体中掺杂≥1%Al2O3粒子可以提高Ag的熔化温度tm至970℃以上,Al2O3质量分数大于3%时,样品tm可提高至990℃以上。
The results indicated that over 1wt % Al2O3 particles doped in Ag matrix can raise the melting point tm of Ag up to 970 ℃ and 3wt % Al2O3 particles can raise that up to 990 ℃ .
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利用熔化温度、凝固温度、粘度、Al2O3吸收速率与化学成分之间的关系,可以预测连铸保护渣的熔化性能、粘性特征和夹杂物吸收能力。
The melting property , viscous characteristics and inclusion absorbability of the mould flux can be predicted with the aids of the relationship between the melting temperature , solidification temperature , Al 2O 3 absorbability and chemical composition .
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随着不熔化温度的提高,时间的延长,PCS纤维的质量、Si&H键反应程度、凝胶含量、氧含量均逐渐增加,并逐渐趋于稳定。
With the increase of curing temperature and extension of curing time , the mass , Si & H bond reaction degree , gel content , and oxygen content of PCS fiber increase gradually until come to stable .
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模拟结果表明:硅晶表面的熔化温度为1858K;
The results show : the melting temperature of c-Si surface is 1858K .
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通过分析金属铜的能量最优路径与晶格振动之间的关系,提出了固体-液体之间的相变机理,以及直接导出过渡金属的熔化温度Tm静力学方法。
By analyzing the relationship between the energy optimization path and lattice vibration of Cu , this paper presents the phase transition mechanism as per the nature of solid-liquid phase and introduces the static method to derive the melting temperature of transition metals .
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按不同的原料配比进行了精炼渣的熔化温度测定和钢渣平衡试验,在相同的Si、Mn脱氧条件下,分析讨论了精炼渣碱度和组分对精炼渣熔化温度和钢中夹杂物形态的影响。
According to different ratio of raw materials for the refining of molten slag and steel temperature measurement balance test , analyzed and discussed refining slag basicity and components of the refining slag and steel melting temperature of inclusions morphology in the same Si 、 Mn deoxidization conditions .
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为了提高常用超导基底材料Ag的熔化温度,选择了高熔点的金属Ni及Al2O3作为添加剂,采用镀层扩散与粉末冶金的方法制备了Ag-Ni合金及Al2O3弥散Ag基复合材料。
In order to increase the melting temperature of Ag substrate commonly used in superconductor materials , high melting point metal nickel and alumina were selected as additives to improve the properties of Ag with high temperature diffusion and powder metallurgy methods .
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结果表明,随BaO含量由2%增加至8%,保护渣的熔化温度由1053℃降至1011℃,结晶温度降低较少,从954℃降至948℃;
The results showed that with increasing BaO content from 2 % to 8 % , the melting temperature of mold powder decreased obviously from 1 053 ℃ to 1 011 ℃ while the crystalline temperature decreased minor from 954 ℃ to 948 ℃;
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另外,计算了中介区域的团簇的尺寸、熔化温度、表面能、熵、焓等热力学量以及均方根位移(RMSD)等动力学量,为研究纳米团簇提供定量数据。
In addition , the cluster size , surface energy as well as the average root mean square displacement ( RMSD ) of the clusters in the intermediate regime have been investigated .
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用破裂盘,有时后候后面还有一个熔化温度为212F(100C)易熔金属,来保护气体钢瓶,防止由于起火而破裂。
Gas cylinders are protected from rupture due to fire by a frangible disc sometimes backed by a fusible metal with a melting temperature of about212F ( 100C ) .