高强度的

Kevlar 49 is an aromatic polyamide fiber with a high modulus anda high tensile strength, It has become very popular for a variety of applicationranging from body armours to aircraft structuval parts.

一、前言 Kevlar纤维是一种高强度、高模量、低密度、低成本，又具有良好化学稳定性和耐热性的有机纤维。

All the year round to provide a variety of specifications, material billets, carbon plate B \ C \ D \ E, low-alloy plate B \ C \ D \ E, high-strength low-alloy plate, AH390-620, 45 # carbon balance sheet , boiler plate can be bar-8mm-50mm, container boards can be bar-8mm-50mm, Z to the plate, high-built panels, bridge plate, shipbuilding plate, carbon plate, seamless pipe, angle steel, channel steel, flat steel, Medium plate above may bar 8000mm-15000mm, can be bar-width 2170mm-3200mm, Anyang Iron and Steel Company and other products.

常年提供各种规格、材质的钢坯、普碳中板B\C\D\E、低合金中板B\C\D\E，高强度低合金中板，AH390-620，45#碳结板，锅炉中板可扎8mm-50mm、容器中板可扎8mm-50mm、Z向板，高建板，桥梁板、造船中板、普碳薄板、无缝管、角钢、槽钢、扁钢，以上中板长可扎8000mm-15000mm，宽可扎2170mm-3200mm，等安阳钢铁公司产品。

The pump takes, weak acid and alkali medium and so on the oil class,makes the bushing material with the perbunan; But requests in high to be wear-resisting, high strength and oil resistant, bears the benzene and so on under the condition works, then selects gathers the ammonia fat rubber to make the bushing material.

抽汲取油类、弱酸和碱等介质，用丁氰橡胶做衬套材料；而要求在高耐磨、高强度和耐油、耐苯的等条件下工作，则选取聚氨脂橡胶做衬套材料。

Various kinds of steel such as structure steel, tool steel, pipe line steel, reinforcing steel bar, common engineering steel and cast iron may be improved in their properties by vanadium nitrides and carbides.

已有的研究表明碳氮化钒添加于钢中能提高钢的耐磨性、耐腐性、韧性、强度、延展性和硬度以及抗热疲劳性等综合机械性能，并使钢具有良好的可焊接性能，而且它能起到消除夹杂物等作用，在高强度低合金钢中的应用效果更加明显。

And in each special guardian must pre-enter the corporate training base period of three to five-dimensional high-intensity, high standards and professionalism, military training behind closed doors.

并且每位特卫人员在入职前都必须进入公司培训基地维期三到五个月高强度、高标准、专业化、封闭式的军事化训练。

This article provides the theoretical base on the punching, press and welding process of Q450NQR1 high strength anti-corrosion steel in application of rolling stocks, and points out the direction for rolling stocks to use high strength steel with higher yield limit for manufacturing.

为将来在铁路货车上使用更高屈服极限的高强度钢提供思路并指出方向。

3High carbon steel can be used to make such working parts as required high strength and hardness.

高碳钢可以用来制造需要高强度和高硬度的零部件。

It is indicated by analysis that the main causes of difficulty of drawing high strength thick galvanized steel wire are thicker ZnFe alloy coat and higher carbon and manganese contents.

分析大直径高强度镀锌钢丝拉拔困难的主要原因在于锌-铁合金层较厚、钢丝中碳含量和锰含量较高。

Collectively with the production of high-strength, high toughness, special rough specialty, special structures and special purpose of the prominent advantages of the formation of the ship with steel wire rope, steel wire rope with the oil and mining wire ropes, steel strand, special-purpose steel wire rope, rope bridge, rope coating and so on.

集体具有生产高强度、高韧性、特粗特长、特殊结构和特殊用途的突出优势，形成船舶用钢丝绳、石油用钢丝绳、矿用钢丝绳、钢绞线、特殊用途钢丝绳、桥梁用钢丝绳、涂塑绳等。

It had been shown that effects of the different light intensity on the seedling height, stem diameter, leaf length and width, numbers of leaf,leaf area, total numbers of root and number of long roots were significantly different.

结果表明，不同光照强度下，香蕉苗的苗高、基径、叶长、叶宽、叶片数、叶面积、总根数和长根数都存在显著差异，但不同的性状对光照强度的反应不同。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。