The relations between spinneret diameter and spinneret draft and shearing rate are analysed concretly.

具體分析了噴絲孔直徑與剪切速率及噴絲頭拉伸倍數(shù)之間的關(guān)系国产超碰精品热久久91，提出了噴絲孔直徑的選擇依據(jù)中文字幕丝袜无码第一页。

Deformation extent is described by burring factor in the process of round hole burring.

引言在圓孔翻邊過程中国产亚洲精品AA片在线，孔緣處受單向拉應(yīng)力作用国产一级毛片又粗又黄又硬，減薄最大日韩裸体自拍视频网站免费观看网址。

On the stage of Kongyi Member,the main sedimentary facies are the fluvial fan group and flooding plain,and going with the sedimentary surrounding of minitype limnological fluvial fan—gypsum saline.

研究區(qū)的沉積受喜山運動影響，在盆地南區(qū)產(chǎn)生拉張裂陷免费在线黄视频播放，形成孤立的沉積小盆地日韩久久无码AV毛片，并在這種沉積環(huán)境中沉積了孔店組地層，孔一段時期以盆緣沖積扇群无毒国产水多视频在线、洪泛平原為主久久亚洲精品无码福利播放，局部伴有小型準鹽化湖沼的沖積扇—膏鹽湖沉積環(huán)境。

The Temple of Perkunas Greatly increases population health and basic weapon quality. Recruitment of Latvian crossbowmen, Szlachta and the Followers of Perkunas are now available.

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Olger Main cartoon stationery bag, folder, file bag, cartoon folders, powerful folder, information kits, paper products, cartoon pen, double folder, pull side of bag, cartoon information booklets, folders hole, punch paper bags, cartoon paper bag, fast folder labor, L-type paper bag, portfolio stationery, pencil case, bags and so on.

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The results showed that,there is a deformation tendency of drawing, and flanging and the tendency is related to, in the same parameter of die and the same technological conditions,the hole size.

試驗所獲應(yīng)變分布表明国产日韩欧美久久精品，帶孔件在變形過程中存在拉深和翻邊兩種變形趨向性巨乳性爱视频，在模具參數(shù)和工藝條件完全相同的情況下，其可能的變形趨勢與孔的尺寸有關(guān)又大又长又硬视频。

A finite element analysis on the new method is presented in this paper. Based on the finite element analysis, tension tests of 18 steel bars in different diameters and holes are carried out. The results of tests, which are according with that of finite element analysis, validate the new method to determine real stresses of steel bars by drilling/enlarging small holes. Furthermore, some suggestions in using of the new method are given.

本文針對該新方法進行了有限元分析精品一级毛片视频，并在此基礎(chǔ)上進行了18種不同鋼筋直徑和不同孔徑的帶孔短鋼筋拉伸試驗探花自拍日韩视频在线播放网站，試驗結(jié)果與相應(yīng)有限元計算結(jié)果一致，驗證了鉆／擴孔確定鋼筋實際應(yīng)力的新方法亚洲换妻视频，并提出了若干工程適用建議日韩视频一区。

From all of the above, UV Resonance Raman spectrum, as a new spectroscopic technique, is very helpful for us to further understand of structure and crystallization process of zeolites.

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金屬網(wǎng)孔波紋填料是用金屬薄板沖壓、拉伸成特定規(guī)格的壓延網(wǎng)片国产v日韩免费在线观看，其表面形成規(guī)則的菱形網(wǎng)孔a在线视频，然后沖壓成波紋形狀的一種填料，這種填料綜合了絲網(wǎng)填料與板波填料的優(yōu)點日韩在线资源精品视频在线观看免费，具有重量輕欧美性高潮、壓降低、效率高的特點激情视频国产一区。