球體粉屬 的英文怎麼說
中文拼音 [qiútǐfěnzhǔ]
球體粉屬
英文
orbiculapollis-
The expansion and dehiscence behavior during the vacuum reactive sintering below 660 of compact ti / al composite powders was experimentally investigated, and the reasons of expansion and dehiscence were theoretically analyzed. the method of low temperature reactive sintering was generalized, and the experiment testified the method effective. the rule of the expansion of the billets was generalized from the result of density of the billets
低溫反應燒結工藝:研究了高能球磨ti / al復合粉體在溫度低於660下真空無壓反應燒結過程中的膨脹和開裂行為，分析了產生膨脹和開裂的主要原因;並提出了能夠有效預防坯料開裂的方法;通過測定坯料在低溫燒結后的密度，總結了其體積膨脹的規律;通過x射線衍射技術分析了隨球磨時間不同，金屬間化合物的生成情況。Recently, as an advanced and eco - friendly method of powder preparation, freeze - drying has been developing quickly. the ultrafine ni powder with the average size of 50nm was prepared by freeze - drying form the niso4 and naoh and was studied by means of xrd, ir, fesem, tem, and dsc. the catalysis of nickel powders to nh4clo4 and how the precursor forms and the processes of the amorphous precursor to the final nickel powders are discussed
本論文以分析純niso4 、 naoh為原料，採用冷凍乾燥技術成功的制備了50nm左右的球狀超細鎳粉，通過xrd 、 ir 、 fesem 、 tem 、 dsc等材料現代分析手段對產物進行了分析和表徵，研究了超細鎳粉對高氯酸銨熱分解的催化活性、前驅體的形成以及非晶態金屬鹽到晶態超細鎳粉的轉變過程。A vacuum carbonized furnace which manufactured to carbonize straw pole, a set of equipment which globe - grinded the carbonized straw pole were designed and prepared in this work. the furnaces were used to carbonize the smashed straw pole in the vacuum furnace first, and to grinded it in the globe - grinding machine. with the powder, woodceramics target and compound target were made to manufacture external metal - carbon wave - guide compound film series on columned ferrite surfaces
在本論文工作中，自行設計與製造了制備碳化秸稈的真空碳化爐及粉碎球磨設備，用此設備把粉碎的秸稈先在真空碳化爐中進行碳化，碳化的秸稈粉再經過球磨設備球磨成細粉，用此細粉做成木質陶瓷靶和復合靶材在圓柱鋰鐵氧體表面鍍覆符合要求的表面金屬-碳系復合波導膜，並制備了木質陶瓷塗層導電膜。The cementing metal and carbon nanotubes ( cnts ) were added into the milled solid solution of w - c. by ball milling not only the additives were well dispersed in the the powder but also the size of cementing metal crystal was reduced, which was in favor of the reinforcement of alloys
在w _ （ 50 ） c _ （ 50 ）球磨製得的粉體中直接加入粘結金屬和碳納米管，利用高能球磨混合，提高它們在粉體中的分散程度的同時可以進一步減小粘結相的晶粒尺寸，有利於提高材料性能。分享友人