This essay described the FEM simulation of plastic pipe extrusion: the factors of melt line formation and heat transfer of cooling processing were mainly discussed.
本文利用有限元法对塑料管材的挤出进行模拟。主要讨论了影响塑料管材挤熔接痕形成的因素,以及管子冷却过程的热传递。
Brad Carter, lecturer in physics at the University of Southern Queensland, says the observation is in line with current theory of planetary formation.
南昆士兰大学(Universityof Southern Queensland)的物理讲师布拉德·卡特(Brad Carter)称,这一观察结果与目前的行星形成理论相一致。
Work order process details of the show, the formation of fine workmanship, double take the line to make quality more guaranteed.
工作服定做过程细节的展示,平整精细的做工,双重走线让质量更有保证。
Surface is a kind of space can be defined three-dimensional formation, surface or plane space is the two forms of the line body.
面体是一种可以对空间进行限定的立体构成方式,曲面或平面空间是线体的两种体现形式。
The space and attribute files in GIS are established through transformation on the basis of the formation of equal consistency line, thus completing auto-classification.
在浓度等值线快速生成的基础上,通过接口自动形成信息系统空间和属性文件,完成了专题自动分类。
The reasons for tar formation from polyacrylonitrile-based carbon fiber were analyzed from the structure and the production line, from as-spun fiber, pre-oxidation to carbonization.
根据聚丙烯腈基碳纤维生产工艺路线,从原丝、 预氧化、碳化工艺及结构上分析了聚丙烯腈基碳纤维焦油形成的原因。
When monitoring formation pressure by read-out electronic gauge, it is a technical problem to settle that the sealing condition of signal line at well head is not good.
在用直读式电子压力计监测地层压力时,信号电缆线在井口的密封不良,一直是个难以解决的技术问题。
METHODS in vitro methylcellulose semisolid culture was used for the evaluation of clonal formation of K562 cell line. Flow cytometer was used for detecting apoptosis.
方法体外甲基纤维素半固体培养观察各处理组k 562细胞的克隆形成,流式细胞仪评价细胞的凋亡状况。
The formation of these microcracks is closely related to local conditions of the Tusion line concavities.
熔合线凹入处的局部条件直接影响微裂纹的形成。
These conclusions are important theory to guide the study of the formation mechanism of cold cracking in the two sides of fusion line of dissimilar steel welded joint.
所得结论、对研究异种钢接头熔合线两侧的冷裂纹的形成机理有其理论指导作用。
Connecting with the practice of construction, the method was used to learn the space location of each separate line which was to ensure the accurate formation of multi-surface earth.
结合施工实际,为保证多面土体的准确形成,应用立体几何确定其各条交线的空间位置,并推导出在任意情况下交线平面位置的关系公式和交线坡比。
Conclusion Altered subcellular distribution of DNR in resistant cell line was related to MDR gene formation. Quercetin could inhibit MRP1 function and could restore the subcellular DNR distribution.
结论DNR在耐药细胞中的异常分布与肿瘤细胞耐药基因形成有关,槲皮素在体外直接抑制MRP1功能,恢复DNR在细胞内的分布。
Along with the formation of power market, power systems are required to continuously supply electricity to customers of high quality, minimum cost and low line losses.
随着电力市场的形成,要求电网以最低的成本,向用户连续地提供优质电能。
The formation factors of residual stress for on line grinding roller surface during cold rolling strip were studied.
对冷轧带钢在线磨辊辊表层残余应力的形成因素进行了研究。
Combination of logging information and data, the method was identified which was in line with the use of rock mechanics parameters to strike a formation pressure.
结合测井资料数据和有效应力原理,确定出符合基于岩石力学参数的地层孔隙压力模型。
It is often necessary to dry natural gas pipelines after hydrostatic testing to prevent the formation of hydrates when the line is put into service.
静水试压后为防止输气管道运行时产生水合物必须干燥天然气管道。
S. cross-cuting shear line, and the formation of the looper and its control process is also introduced.
横切机组活套和最小板间距的计算方法。同时也介绍了活套的形成及控制过程。
An upper metallization line (332) is conductively coupled to the metal shield (324), wherein the metal shield (324) serves as an etch stop during the formation of the upper metallization line (332).
以及导电地耦合到所述金属屏蔽(324)的上部金属化线(332),其中所述金属屏蔽(324)在所述上部金属化线(332)的形成过程中用作蚀刻停止件。
The formation of this back arc basin was related to the spreading and northward subduction of the Paleo Tethys oceanic basin along the line from the Xijir Ulan Lake K…
这一弧后盆地的形成与沿西金乌兰湖—空喀山口至乔戈里峰一线的古特提斯洋盆的扩张及向北俯冲、消减相联系,构成了塔里木板块南部晚古生代活动大陆边缘。
According to the image data possessed, the formation model of equivalent line central projection is adopted to establish the correspondence between image and object space.
根据现有资料情况,确定了采用等效线中心投影的构像模型作为几何处理的数学基础。
The formation of a leader's character always comes down in continuous line with the social and cultural background of his life.
而领导者个性特征的形成又与其成长与生活的社会背景、文化背景是一脉相承的。
The formation of organic combination production line in order to 'first-class products, the first class brand' for the purpose.
形成有机组合的生产线以'一流的产品,创一流的品牌'为宗旨。
Pipe wall smooth formation, no bubbles, nicks and obvious scar patterns Depression, color and uneven discoloration decomposition line.
管材外壁光滑、平整、无气泡、裂口和明显痕纹凹陷、色泽不均及分解变色线。
Planar formation is to use the basic elements of dot, line and plane to satisfy the needs of design drawing according to the principle of formal art.
平面构成是按照形式美的法则,运用点、线、面的基本元素来处理设计所需要的图形。
Aim at the issue of on-line detection and fault diagnosis of power transformer, a project of multi-sensor in-formation fusion combined with embedded network is proposed.
针对电力变压器在线监测与故障诊断问题,提出了基于多传感器信息融合与嵌入式网络相结合的解决方案。
Basic concepts of tourism phenomenon deals with "what is tourism", where tourism formation, pattern and quality appear. Tourism is a spot line operating "sealed hoop".
旅游现象的基本概念,涉及到“什么是旅游”及由此派生的旅游现象形态、结构和本质。
The influence of each vector on the cell proliferation, clone-formation and alteration of cell cycle of bladder cancer cell line EJ were observed in vitro.
分别转染膀胱癌细胞株EJ ,观察不同载体对膀胱癌细胞体外增殖、克隆形成和细胞周期时相的影响。
When the offset distance is smaller on the wellhead, the layer velocity obtained with straight line and the refraction line is matched with that of actual formation velocity.
当井口偏移距较小时,直线法和折线法求取的层速度和地层真速度吻合;
When the offset distance is smaller on the wellhead, the layer velocity obtained with straight line and the refraction line is matched with that of actual formation velocity.
当井口偏移距较小时,直线法和折线法求取的层速度和地层真速度吻合;
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