该研究通过试验模型测量局部加压过程中金属型、铸件和加压杆的温度变化曲线,分析了传热与凝固现象。
The heat transfer and solidification change are analyzed by measuring the temperature change curves of metal mold, casting and pressurized bar in experimental model during local pressurization.
利用阶梯型腔金属模和砂型模拟不同的冷却速度,研究了冷却速度对高硼钢凝固组织和性能的影响。
Simulating different solidification cooling rate with step-metal mould and sand mould, the effect of solidification cooling rate on microstructure and properties of high boron steel were studied.
其目的是当熔化金属凝固和收缩时往型腔里补充熔化金属,从而防止在主铸件中产生孔隙。
The purpose of this is to feed the molten metal to the mold cavity as the molten metal solidifies and shrinks, and thereby prevents voids in the main casting.
液体材料充满型腔,随着材料的凝固,零件的几何形状最终固定下来。
The fluid material takes the shape of the die cavity and this geometry is finally stabilized by the solidification of the material.
最后,本文提出了无芯法连续生产空心钢锭技术需要解决的问题,以及在选定凝固材料和进行锭型设计时的参考意见。
At the end, the paper posted the problems which needed to be solved in non-sleeve technique, and also provided Suggestions in selecting the solidification materials and designing mould.
概述了铸件充型及凝固过程数值模拟研究的最新进展。
The latest progress on numerical simulation of mold filling and solidification processes of shapedcasting was reviewed.
当前,铸件充型凝固过程数值模拟是最具竞争力的铸造工艺研究方法。
At present, the most competitive research method of foundry technology is numerical simulation on mold filling and solidification process.
革兰(氏)阳性球菌是最常见的感染的引起原因,尤其是凝固酶阴性葡萄球菌和甲型溶血性链球菌。
Gram-positive cocci were the most common cause of infections, specifically coagulase-negative Staphylococcus and alpha hemolytic Streptococcus.
铸造工艺中的阶段或步骤包括制作适当的铸型,融化材料,将材料充满或灌注进型腔和凝固。
The stages or steps in a casting process are the making of a suitable mold, the melting of the material, the filling or pouring of the material into the cavity, and the solidification.
利用温度场数值模拟软件对金属型耐磨铸球的凝固过程进行了数值计算。
Using the developed numerical simulation software of temperature field, the solidification process of wear resisting cast ball in metal mold was numerically simulated.
差压铸造工艺方法的核心是差压充型,压力下凝固。
The technological core of the differential pressure casting is the filling model under differential pressure and the solidification under pressure.
对热型连铸锌铝合金定向凝固线材的铸态及热处理组织进行了观察、分析和讨论。
The as cast and heat treatment microstructure of ZA alloy rod directionally solidified by continuous casting has been analyzed.
测试结果反映了铸件的充填顺序及充型过程中的凝固现象。
The experimental results also show us the filling sequence and the local solidification phenomenon during the filling process.
在此条件下,得到色泽均匀、组织状态良好、口感细腻、具有保健功能的凝固型紫薯酸奶。
In this condition, with healthy function of solidified purple potato yogurt had uniform color, good organization and delicate taste.
方法:采用德国ERBE公司生产的APC300型内镜专用氩气刀,对病理证实的胃肠道息肉行氩离子凝固术。
Methods: in APC300 mirror special-purpose argon knife which produces with German ERBE Corporation, to pathology confirmation gastrointestinal tract polyp good argon ion coagulation technique.
基于有限差分法,对大型铝合金支架间接挤压铸造充型和凝固过程进行了数值模拟。
Numerical simulation of filling and solidification of large aluminum alloy support frame in indirect casting was conducted based on FDM.
阐述了以草莓为主要原料制作凝固型酸奶的生产工艺。
The technology of solidifying yoghurt made mainly from strawberry is described.
铸件内在质量很大程度上取决于铸件的充型和凝固过程。
Sound castings are determined in a great extent by the mold filling and solidification processes of castings.
对CY- 61100车床尾座铸件充型及凝固过程进行了数值模拟及优化研究。
The optimization on the filling and solidification process of CY-61100 lathe tailstock casting was conducted by numerical simulation.
探讨了凝固型椰子酸奶的工艺条件、配方及生产影响因素。
The processing conditions, formulation and production influencing factors of jelly type coconut yoghurt were probed into.
以蚂蚁蛋白、鲜牛奶为主要原料,采用保加利亚乳杆菌和嗜热链球菌作发酵剂,运用正交试验设计,对蚂蚁蛋白提取和凝固型酸奶加工工艺进行试验研究。
Extraction of ant protein and the process of set yogurt were studied, with ant protein and fresh milk as the main material, L.
钾离子在K型卡拉胶中的含量直接影响凝胶强度及凝固点,并影响卡拉胶应用产品的泌水性。
Content of potassium ion in the Kappa - Carrageenan directly influence on condensation point the strength and diffusion water of Carrageenan gel.
对凝固型瓶装酸牛奶在发酵过程中出现部分溢奶问题进行了工艺对比试验,找到了解决问题的方法。
For the milk overflows problem of the bottled yoghurts in processing of fermentation, we proceeded the contrast experiments and found out the method of problem-solving.
为了解决搅拌型酸奶黏度问题,本文研究了凝固型和搅拌型酸奶黏度特性的差别。
In order to solve the viscosity property of stirred yogurt, the difference of viscosity property between the set yogurt and stirred yogurt was studied.
以LG-R - 80型锥板式黏度计和CA1500型血液凝固分析仪测定血液流变性及凝血功能各项指标的变化。
To measure the indexes of coagulation function and hemorrheology using LG-R-80type cone-plate viscometer and CA1500type automatic programming coagulation analyzer.
因此,通过热型连续定向凝固技术生产的铜银合金是一种耐磨性较好的新材料。
Thereby, Cu-Ag alloy prpeared by Ohno continuous casting is a new material with better wear resistance.
目的应用重复片段P CR,对凝固酶阴性葡萄球菌(CNS)进行基因分型,用于医院感染中分子流行病学研究。
OBJECTIVE To have a molecular epidemiologic investigation of hospital infection by performing genotyping of coagulase-negative staphylococci (CNS) using repetitive element sequence-based PCR.
本文报导复合型豆腐凝固剂用于制造豆腐,对凝固剂进行铅含量测定的实验原理和操作方法。
This paper describes the compound type of bean card coagulant applied to make bean curd, experimental principle and operating method for the determination of lead content in coagulant.
本文报导复合型豆腐凝固剂用于制造豆腐,对凝固剂进行铅含量测定的实验原理和操作方法。
This paper describes the compound type of bean card coagulant applied to make bean curd, experimental principle and operating method for the determination of lead content in coagulant.
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