1、

Crystalline behavior of segmented polyester polyurethaneurea ( PUU) elastomers at different annealing conditions was studied by wide-angle X-ray diffraction ( WAXD), and crystalline morphologies of the fracture surface of these materials were investigated by scanning electron microscopy ( SEM).

用宽角X-ray衍射(WAXD)研究了嵌段聚酯脲氨酯(PUU)弹性体在不同退火条件下的结晶行为,用扫描电子显微镜(SEM)研究了这些材料断面上的结晶形态。

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2、

Vertical shaft impact crusher is used in fine crushing of medium and hard materials.

立式冲击破碎机用于中硬物料的细碎加工。

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3、

Improvement is made for crushing process by feeding materials form primary crushing directly into a fan-shaped bar screen under which an adjustable plate distributes the fines evenly on the belt conveyor followed by cover of coarse particles.

根据现场生产实际改用粉碎后的矿粒直接给入扇形孔条筛,筛下可调刮板使细粒均匀分布在皮带下面,粗粒复盖其上。

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4、

It continuously and evenly feeds the primary crusher with materials.

为一级破碎机提供连续、均匀的进料。

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5、

The study of materials of super-fine crusher hammer

超细破碎机板锤材质的研究

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6、

Research on Filling Materials in Back Boards of Gyratory Cone Crusher

旋回、圆锥破碎机衬板充填物的研究

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7、

Through the corrosion of platinum alloy crucible and many tests, the reasons have been found. Fe and P compound have been regarded as main corrosion materials, and some problems of testing dust sample have been put forward.

通过一起铂坩锅被腐蚀现象及其多次对比试验,找出了被腐蚀原因,确定了铁、含磷化合物是粉尘样品测定中主要腐蚀性物质,提出了用铂坩锅测定粉尘样品时应注意的问题。

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8、
9、

As one of the critical and competing materials in national economy and defense, fiber reinforced polymer composite has been most developed and widely used.

复合材料是当今国民经济和国防建设显示竞争优势的重要材料,其中纤维增强聚合物基复合材料发展最为完善、应用最为广泛。

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10、

The ultra high pure hydrogen peroxide is one of the critical chemical materials for wet chemical process in the microelectronic industry.

超高纯过氧化氢试剂是微电子材料加工必需的关键电子化学品。

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11、

The stainless steels and high nickel corrosion resistant alloys are critical engineering materials.

不锈钢和高镍耐蚀合金是重要的耐蚀材料。

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12、

For example, how do unbalanced bilinguals get access to the conceptual store in their second language ( L2)? In addition, most previous studies take concrete words as the critical materials, and studies on abstract words are quite rare.

例如,双语发展不平衡的双语者,其第二语言是如何通达概念表征的呢?而且,此前大部分研究都以具体词为关键材料,对抽象词的研究甚少。

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13、

The international mission to get rid of Syria's chemical weapon says it is unlikely to meet the December 31st deadline to transport the most critical materials out of country.

负责清除叙利亚化学武器的国际使团表示,目前来看,在12月31日最后期限前将大部分关键物料运出叙利亚不太可能。

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14、

China has become a major country in producing and exporting refractory products and raw materials. Much foreign exchange has been earned. But zircon ore, chrome ore and some high grade refractories still need to be imported from abroad.

我国已成为耐火制品与原料的生产和出口大国,为国家获取了较多外汇,但锆矿、铬矿与少量高级耐火材料仍需要进口。

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15、

Replacing the usual concrete web with the corrugate steel web in the upper part construction of bridges can both reduce the dead weight of beams and bring the function of all materials into full play.

将桥梁上部结构中常见的混凝土腹板更新为波纹钢腹板,以达到减轻梁体自重和充分发挥各种材料性能优势的目的。

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16、

The paper analyses the influence of the final process, i.e. grinding, of harder materials on the roughness of surface, including the roughness of surface processed by artificial diamond grinding wheel and artificial corundum grinding wheel and comparison of parameters of support curves.

分析了较硬材料的最终加工工序磨削对其表面粗糙度的影响,包括人造金刚石砂轮与人造刚玉砂轮所加工的表面粗糙度和支承曲线参数值的对比。

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17、

Share your notes with others; trade and exchange notes to increase your materials and to enhance your learning.

和别人分享你的笔记:交流笔记增加你的内容,增强你的学习。

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18、

The corrosion essence of the concrete is that corrosive materials attack its hardened cement paste and thus destroy the concrete as a whole.

混凝土的侵蚀实质是水泥石的侵蚀,而造成混凝土宏观破坏。

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19、

The X-ray fluorescence tomography method is capable of virtually estimating the concentration of elements and obtaining the inner structure of materials by measuring the intensity of fluorescence which is emitted by the inner shell electron.

X射线荧光层析技术是利用内壳层电子跃迁所发出荧光辐射,来测定样品中的元素含量,获取样品内部的结构信息。

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20、

The bulk graphite was prepared from starting materials of calcined coke and coal-tar pitch by the hot-pressing process.

以煅烧石油焦为基本填料,煤沥青为粘结剂,采用热压工艺制备石墨制品。

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