The restraining effect of Si decreases with decreasing temperature. Fe reduces the chemical potential gradient of the dissolution of iron into molten Al and the driving force of the diffusion of Al into die.

Fe的作用主要是降低模具鋼向鋁熔體中溶解的化學(xué)位梯度和鋁向模具中擴(kuò)散的驅(qū)動(dòng)力日韩精品成人网页在线观看视频，因而，合金中的SiA片一级毛片、Fe元素可以降低合金的焊合傾向性欧美特级视频。

The extraction equilibrium constants of Nd , Eu , Am in the system of seven monoacidic organophosphorus compounds dodecane 1. 0mol/l NO〓are reported. The dependency of the extractability on the PO〓function group、bonding charactor一级a片麻豆、metallic ion species and the structure of substitute has been examined.

給出了七個(gè)烷基磷酸的正十二烷熔液從1.0mol／lNO〓水溶液中萃取Nd国产一级a黄在线播放、Eu、Am的平衡分配常數(shù)Kex爱爱视频a片，考察了萃取劑PO〓官能團(tuán)欧美性爱老牛视频、萃合物成鍵特性国产激情图片区、金屬離子及取代基結(jié)構(gòu)與萃取性能間的關(guān)系呦交专区，發(fā)現(xiàn)了：（1）可運(yùn)用取代基自由能加和模型預(yù)測(cè)辛基膦酸辛基酯對(duì)La、Eu亚洲人成毛片在线播放器、NdΑV天堂在线观看免费、Am等三價(jià)離子的平衡分配數(shù)據(jù)。

The effects of Si and Fe in aluminum alloy on the soldering tendencies had been studied by hot dip aluminizing.

通過(guò)熱浸鋁試驗(yàn)综合激情区小说区图片区，分析了鋁合金中的Siwww.日本在线播放、Fe元素對(duì)鋁合金熔體與模具鋼間的相互作用及焊合傾向性的影響。

It can also be made by forging the chevrons of two different kinds of steel, one dark and not watered, and one light and watered. The different pieces are forged together, the blade is now etched, so the light parts show watering but the dark parts do not.

另外這種樣式也可以通過(guò)鍛造合熔兩種不同的鋼材而制成在线看的欧美中文免费网站，一種是暗的沒(méi)被澆打過(guò)的国产无码网站，另外一種是光亮的被澆打過(guò)的，將這兩者鍛打在一起加勒比在线精品视频在线观看，現(xiàn)在刀身被定型一级毛片免费毛片，光亮部分就顯示出曾經(jīng)被澆打過(guò)，但暗的卻沒(méi)有

The Ⅰ-Ⅴ characteristics of the long-wavelength infrared HgCdTe photovoltaic devices fabricated by different process including standard process, reflowing process and post-implantation annealing process were measured and investigated by model fitting analysis.

對(duì)三種不同工藝的HgCdTe長(zhǎng)波器件（標(biāo)準(zhǔn)工藝九色91、回熔處理亚洲免费播放黄色网、離子注入后退火）的Ⅰ-Ⅴ性能分別進(jìn)行測(cè)試，并通過(guò)理論計(jì)算與實(shí)驗(yàn)數(shù)據(jù)擬合提取上述器件參數(shù)国产综合无码一区二区辣椒，分析暗電流機(jī)制及導(dǎo)致暗電流變化的原因国产情侣一区二区。