材

Approval;Approved organizations;Bend testing;Butt welding;Definition;Definitions;Design;Dimensions;Electric welding;Flash welding;Inspection;Materials;Metal sections;Order indications;Performance tests;Permanent ways;Profile;Quality;Rail joints;Rails;Railway applications;Railway rails;Railways;Resistance welding;Sections;Specification;Steel welding;Steels;Suitability;Testing;Tracks;Travel ways;Vignol rail;Weldability;Welded joints;Welding;Welding engineering;Welding equipment;Welding processes;Weldings

中文主题词认可；受批准组织；弯曲测试；对接焊；定义；设计；尺寸；电焊；闪光焊；检验；材料；金属型材；顺序示度；性能试验；永存性铁路；轮廓；质量；钢轨接头；钢轨；铁路设施；铁路钢轨；铁路；电阻焊接；型材；规范；钢件焊接；钢；适宜性；测试；轨道；旅行线路；丁字形铁轨；可焊性；焊接接头；焊接；焊接工程；焊接设备；焊接工艺；焊接法

The thorough knowledge of the gas permeability of softwoods can be gained by the flow-resistor of tracheids for the flow of gas.

本文从针叶树材管胞解剖结构出发，运用流体力学理论，导出了管胞 3个纹理方向渗透气体流阻的数学表达式，并由此计算了针叶树材管胞的气体渗透系数。

In-tree variation of longitudinal mechanical properties of tracheids: 7 A general increase trend from pith to bark is found for either longitudinal MOE or tensile strength of tracheids of Chinese-fir from plantation.

5尽管从总体上木材的纵向弹性模量与气干密度之间存在较强的相关性，但它们之间的变化趋势经常不同步，特别是幼龄早材弹性模量与密度之间的相关性要低于成熟早材。

Fuzhou-Czech Plastic Machinery Co., Ltd. is the domestic production of plastic machinery manufacturers one of the professional, the company has a group of the original plastic machinery plant in Fujian Province rich practical experience in the production of skilled workers and advanced technology and equipment; main production of plastic extrusion machines, plastic injection molding Machines, plastic heat shrinkable film machines, plastic pipe extruder, plastic sealing machine, plastic profile extruder, plastic blown film machines, plastic cushions film extruders, plastic wire drawing machine, plastic granulator, plastic recycling granulation Machines, beverages suction machine, plastic film-torn and broken plastic machine, mixer, cable wire extrusion unit, packaged with units, and other auxiliary and supporting various extrusion dies (Blown Film nose, drawing the nose, pipe Die expansion, the porous Die, Die Profile, etc.).

福州通捷塑料机械有限公司是国内生产塑料机械的专业厂家之一，公司拥有一批原福建省塑料机械厂丰富实践经验的生产技术人员及先进的技术装备；主要生产塑料挤出机、塑料注塑机、塑料热收缩膜机、塑料管材挤出机、塑料封口机、塑料异型材挤出机、塑料吹膜机、塑料气垫膜挤出机、塑料拉丝机、塑料造粒机、塑料回收造粒机、饮料吸管机、塑料撕裂膜机以及塑料破碎机、混合机、电缆电线挤出机组、打包带机组、等配套辅机和各种挤出模具（吹膜机头、拉丝机头、管材扩口模、多孔管模具、异型材模具等）。

Now you can sheet-fed offset presses for plastic sheet business card printing and membership cards, plastic laminate surface ink adhesion is poor, and to do so, provide online cornona.

此刻独弛纸胶印机也可以举行塑料片材制卡和会员卡制作，但塑料片材暗地油墨附着力不不不不差，为此，可供答在线电晕办理。

Cork products. 2, rubber cork products: rubber cork paper, cork rubber sheet, rubber cork sheet, oil and rubber cork, rubber cork flooring, cork rubber shoe, rubber cork seals, automobile seals, rubber cork Sliced Materials, rubber Soft wood, rubber, cork insulation material, a variety of custom rubber cork products.

2， 橡胶软木系列产品：橡胶软木纸、橡胶软木板材、橡胶软木卷材、耐油橡胶软木产品、橡胶软木地板、橡胶软木鞋材、橡胶软木密封件、汽车密封件、橡胶软木刨切材料、橡胶软木块、橡胶软木隔音材、各种定制橡胶软木制品。

Oil-containing poly microcapsules were prepared by simple coacervation followed by the chemical cross-linking of coacervated PVA membrane with glutaric aldehyde through phase separation method.

本实验使用聚乙烯醇Poly为壳材，以香精油为核材，利用相分离原理，以简单凝胶法，以戊二醛为交联剂进行微胶囊包覆。

Using the finite element method and based on finite element simulation of profile extrusion process, the effect of local extrusion ratio, die land area and the distance between extrusion cylinder center and die opening center on mental flow velocity is studied. The deformation flow laws on profile extrusion process are obtained.

本文采用有限元方法，以型材挤压过程的有限元模拟为基础，研究了局部挤压比、挤压带面积和模孔距离对金属流动速度的影响，获得了型材挤压过程的变形流动规律。

It's high quality production lines of pipes profile shapes sheetings auxiliary machinery and moulding are well recognized by customers all over the world.

高品质的管材生产线、异型材生产线、板片材生产线、辅机设备和注塑模具得到了全球广大客户的赞赏和认同。

It was also found that the sheathings of wall performed as an entire unit to against the shear force when the horizontal displacement of wall is small.

从实验观察及应力分析中发现，外覆材在横向位移不大时以整体构面方式进行抵抗剪力的变形，但当横向位移大到螺丝产生变形与错动时，则转为各单片外覆材的变形情况以进行抗剪力之行为。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。