eutectic point
- 共晶点;低共熔点
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Application of eutectic point left movement theory in development of new type cast iron welding electrodes
共晶点左移理论在研制新型铸铁焊条时的应用
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After variance analysis , the curves of eutectic point and the concentration were drawn .
对低聚果糖共晶点的测量表明,低聚果糖的共晶点随浓度的增加而降低,通过方差分析得到共晶点和浓度的关系曲线。
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The analysis result indicates that the interaction of unlike atoms is strengthen in the the eutectic point .
分析表明,在Zn-Bi合金中异类原子间的相互作用在共晶点处显著加强。
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In the first stage ( large heating sublimation stage ), product temperature lower than the eutectic point of a range .
在升温的第一阶段(大量升华阶段),制品温度要低于其共晶点一个范围。
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Experience proves , supercooling phenomenon is easy to occur to make products temperature has reached the eutectic point .
经验证明,过冷现象容易发生至使制品温度虽已达到共晶点。
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Calculation of the Phase Diagram Of SIO_2 - A1_2O_3 - Nd_2O_3 System and Eutectic Point
SiO2-A12O3-Nd2O3相图及低共熔点的计算
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The eutectic point of fresh snake meat is obtained with the method of measuring electric-resistivity .
用电阻测定法测取了新鲜蛇肉的共熔点;
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Theoretical calculation of the mole fraction for a binary system with a small mole fraction at the eutectic point
具有小浓度共晶点组元的二元系摩尔分数的理论计算
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In addition to that , C and Ti also affect the eutectic point and a phase of Al-Si alloys .
另外,还发现C、Ti加入后,Al-Si合金的共晶点及初生α相也发生了变化。
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The high carbon equivalent gray cast iron means the gray cast iron whose carbon equivalent is near the eutectic point .
高碳当量灰铸铁一般是指碳当量在共晶点附近的一类铸铁。
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Study on Eutectic Point and Consolute Point of Frozen-Dried Bananas
冻干香蕉共晶点和共熔点的研究
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Experimental studies are conducted for electric resistivity method to determine the eutectic point of sea buckthorn fruit at different mature degree precisely .
阐述了共晶点在真空冷冻干燥工艺中的重要意义,在冻干试验中采用电阻法测定不同成熟度沙棘果的共晶点温度。
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Obviously , the manufacturer should know the eutectic point and have the necessary instrumentation to assure the uniformity of product temperatures .
显然生产商需要知道产品的共晶点,而且需要使用仪器保证产品的温度是均一的。
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A steel that contains 0.9 % carbon ( the eutectic point in the iron-carbon system ); a carbon steel with 0.9 % carbon is pure pearlite .
含%碳的钢(铁碳混合物的低共熔点),含%碳的碳钢是纯珠光体。
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The structural parameter of Al-Si alloy changed abnormally at the eutectic point , reflecting the changing process of melt structural from hypoeutectic to hypereutectic alloy .
Al-Si合金熔体结构参数在近共晶点成分处会发生反常突变,反映了熔体结构由亚共晶向过共晶转变的过程。
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With increasing of the Fe content , the porosity curve varied as a " V " type , the lower-most point correspond to eutectic point ;
随Fe含量的增加,合成产物的孔隙率呈V字形分布,在共晶点处最低;
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The compound composition of the diffusion layer was determined experimentally and the eutectic point of Nb-Ti - Cu was found to be at 780 ± 3 ℃ .
试验确定了上述材料扩散层中的化合物。研究发现,Nb、Ti、Cu的三元共晶点是780±3℃。
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It is found with Heating Microscop that the granularity , carbon content , cobalt content of tungsten carbide are related to the temperature of liquid phase emerging and eutectic point .
通过高温显微镜实验发现WC粒度、碳含量、钴含量等因素与液相出现的温度以及共晶点温度有关。
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The latter can be achieved by the reasonable alloy design that involve multi-components , high ratio of atom radius , large negative blending heat , composition with low melting point or low eutectic point .
后者要通过合理的成分设计来实现,包括:多组元、高原子尺寸比、大负混合热、低熔点组元或低熔点共晶。
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If proper inoculation is used for the liquid iron before casting malleable cast iron of ferritic matric by only annealing the white cast iron at temperature below eutectic point , 760 , for 20-30 hours .
经炉前孕育处理后的铁水浇注成的白口铸件在共析转变温度(760℃)以下退火,再经20&30小时保温,可获完全铁素体基体的可锻铸铁。
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The calculation results show that there is high glass forming ability in Zr_ 66.67 ( Ni_xAl_yCu_z ) _ 33.33 quaternary alloy system . The glass forming range is near eutectic point in which critical cooling rates are less than 100 K / s.
计算结果表明,此合金系具有很强的非晶形成能力,特别是在靠近共晶点的中心区域,临界冷却速率小于100K/s,为容易形成非晶的成分范围。
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For the 9 binary organic systems having the phase diagram with an eutectic point , we calculated the phase diagrams and their values of the eutectic point ( T_0 , x_ ( B_0 )) . These results agree well with the experimental values .
对9个具有低共晶点的二元有机物系统,计算了它们的相图和低共晶点(T0,xB0)的数值,结果与实验数据符合的很好。
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For the " Cigar type " Phase diagram and the Phase diagram with an eutectic point , the inequalities which must be satisfied by the parameters ( W_L , W_s , V_L and v_s ) are discussed . Using these inequalities the ranges of the parameters arc greatly reduced .
对于雪茄型相图和具有一个低共晶点相图,讨论了四个模型参数WS、WL、VS及VL所必须满足的不等式条件,从而使得参数的取值范围大大缩小。
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Amount of iron phase can reduce the eutectic melting point of the system , increase the liquid content , reduce the liquid viscosity and effectively accelerate the migration of mineral ions to promote the formation and growth of the mineral .
适量的铁相能降低烧成熟料体系的共熔点,增加液相量,降低液相粘度,有效加速矿物离子的迁移,促进矿物的形成和生长。
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Eutectic and co-melting point of different materials were determined by DSC , and the effect of different solutes on the Eutectic and co-melting point of materials were discussed .
应用差示扫描量热法测定了不同物料的共晶点和共融点探讨了不同溶质对物料共晶点和共融点的作用。
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The eutectic temperature and eutectic point of Momordica charantia juice were measured by using a simple apparatus .
为了对苦瓜汁进行真空冷冻干燥,首先通过简单的电阻装置测定了苦瓜汁的共晶点与共融点。
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The result shows that all these systems are simple eutectic , at the same time , the entropy of phase change of every system in the eutectic point is determined by using differential scanning calorimetry ( DSC ) .
同时利用差热扫描量热法(DSC)对上面各组体系低共熔点处的相变焓进行了测定;