It has the effect keeping heavy section ductile iron casting from...
对于大断面球墨铸铁件，有防止球化不良和消除反白口的作用。
In a representative heavy section data base, be sometimes storing large amount of important private data.
在一个典型的大型数据库中，往往存储着大量重要的私有数据。
The defects that easy occurred in heavy section ductile iron castings as well as the prevention measures were reviewed.
概述了厚大断面球墨铸铁件易产生的几种缺陷及防止措施。
For the sake of the axis accessory's figuration, the experiment of second wedge heavy section shrinkage was carried out.
为了成形大断面收缩率轴类零件，进行了楔横轧二次楔入试验。
The validity of the apparatus to the research on the solidification behavior of ductile iron with heavy section was verified.
验证了这一装置对于厚大断面球铁铸件研究的有效性。
The producing process of a kind of micro-chill suitable for suspension casting of heavy section ductile iron is briefly described.
简要介绍了一种适合于大断面球铁悬浮铸造用微型冷铁的制备工艺；
A small apparatus used for simulating cooling environment of heavy section ductile iron castings was developed by authors themselves.
自行研制了模拟厚大铸件的冷却环境的小型凝固装置。
In this paper a macro-cracking in the medium casing which is a heavy section casting of 261 turbogenerator was investigated by SEM, EDAX and others.
采用扫描电镜断口分析、微区能谱分析等方法研究了261汽轮机中汽缸大型铸件开裂问题。
The design characteristics, foundry technology and ultrasonic test method of heavy section ductile iron bearings for steam turbines was described and analyzed.
分析了汽轮机厚断面球铁件轴承座的设计特点、铸造技术和超声波探伤。
Solidification microstructures in heavy section high manganese steel casting were simulated using coupling cellular automaton(CA)and finite element method(FEM).
采用元胞自动机与有限元相耦合的方法模拟厚断面高锰钢铸件凝固组织。
This study result widens the processing limit of cross wedge rolling and is of momentous significance to develop heavy section shrinkage products of cross wedge rolling.
该研究拓宽了楔横轧加工界限，对大断面收缩率产品的开发有重要意义。
A difficult foundry problem about the cast shaping of the small and deep holes in the heavy section steel castings can be solved by using the no bake sand. for making cores.
用这种型砂制作型芯，可解决厚大铸钢件内不易铸出的小径深孔腔室的成形难题。
The quality problems which may be met when using furan sand mould to produce large nodular iron crankshaft with heavy section and the measures to solve the problems were described.
介绍用呋喃树脂自硬砂型生产大型球铁曲轴时遇到的质量问题以及工艺对策。
The test results might be useful to similar projects in the area of dead-weight collapse loess with heavy section and to revise "Code for building construction in collapsible loess regions".
试验成果可作为今后大厚度自重湿陷性黄土地区工程建设以及黄土规范进一步修订的参考。
Organize recreational activities at the regular intervals, such as: In the mid-autumn the heavy section above the gala party activity , 500 people including factory factory celebration is flexible.
定期组织文娱活动，如：中秋游园活动，工厂厂庆等500人以上的大型活动。负责广交会、广州国际家具展一部分宣传工作。
The landslide is said to have been caused by heavy rains, which soaked a 200m-wide section of mountainside above the town.
滑坡由暴雨造成的。暴雨侵袭了镇上的一座有200米宽的山体截面而致使这场惨剧发生。
Obstruction can lead to prolonged labour, which increases the risk of caesarean section, heavy bleeding, distress in the infant and stillbirth.
阻塞可能使分娩时间延长，从而增加剖腹产、大出血、婴儿窘迫和死产的危险。
Too many points of interest in one section of your image can leave it feeling too 'heavy' or complicated in that section of the shot and other parts feeling 'empty'.
兴趣点过多则太过繁复而该区超重，其他区域则感觉轻飘。
Xenon is a very heavy element, and thus has a larger cross section for collision with a WIMP.
氙气是一个非常沉重的元素，因而具有更大的跨越与懦夫相撞一节。
At last, acquired conclusion is that band cut is not only in relation to gun bore wear and bore pressure, but also to length of heavy wear section.
最后得出结论：弹带削光不仅与内膛磨损量和膛压大小有关，还与严重磨损段的长度有关。
In the United States, huge section of the country is getting hit by some really heavy storms.
而在美国，这个国家在遭受非常严重的风暴。
The crack disasters of bridge are common in Guangyuan section on the 108 National Highway because of complex geological and geomorphological conditions, heavy loading and bad quality of construction.
国道108线广元段由于地质地貌条件复杂、重载作用及施工质量未能保证，桥梁裂缝病害较为普遍。
"You are three harm of heavy not heavy?" Section chief Chu asks a way and in fact see also see come out, all of them are severely woundeds.
“你们三个伤的重不重？”褚股长问道，其实看也看得出来，他们都是重伤。
Using the theory of thermal elastic-plastic stress, this paper calculates the residual stress distribution in the heavy welded I-section by finite element method.
本文根据热弹塑性应力理论，用有限元法分析了厚板焊接工形截面柱的残余应力。
In the meantime, the quality control of heavy - section ductile iron is investigated and it has achieved a remarkable technological effects.
同时，对大断面球墨铸铁的质量控制进行了探讨，取得了很好的技术效果。
A section of heavy walled tubing that is placed across any perforated interval through which the production tubing must pass, such as may be required in multiple zone completions.
置于任一射孔层段的一段厚壁油管，这时生产油管必须通过此射孔层段，如在多层完井中所要求的。
This element is of proper shape and cross-section to carry rated current continuously and to melt in accordance with a specific time-current characteristic on heavy overload or short circuit.
此可熔断元件恰当的形状和横截面使其可连续通过额定电流，而对于严重过负荷或短路，按规定的时间一电流特性而熔断。
An electronic stopping cross section formula for heavy ions at low yelocity is obtained within the uniform free electron gass model and perturbation limit.
在均匀电子气模型和微扰极限成立的条件下，给出了低迷离子在固体中的电子阻止截面公式。
An electronic stopping cross section formula for heavy ions at low yelocity is obtained within the uniform free electron gass model and perturbation limit.
在均匀电子气模型和微扰极限成立的条件下，给出了低迷离子在固体中的电子阻止截面公式。
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