sample cast 中文意思是什麼
sample cast
解釋
樣品鑄模-
( 3 ) left lower limb was used to prepare artery ( red ) and vein ( blue ) color cast specimens using perchloroethylene. ( 4 ) deep freezed right lower limb sample, injecting red gelatin into femoral artery, forward and backward injecting blue latex with barium sulfate into femoral vein and great saphenous vein, cuting flap after dealing with formalin and get x - ray photos
（ 3 ）採用1例新鮮屍體左下肢標本制備過氯乙烯動（紅） 、靜（藍）脈分色鑄型標本。 （ 4 ）右下肢冷藏標本，于股動脈灌注紅色乳膠，再於股靜脈及大隱靜脈順、逆行灌注含硫酸鋇混懸液之藍色乳膠，福爾馬林防腐，然後切取皮瓣，攝取x線片。 -
The cracks extend along the matrix / strengthening - phases interfaces and form the cleavage steps and tear ridges. there appear some very small dimples on the fracture surfaces of the directionally solidified samples, which come from the nb - based solid solution particles in the big plates of the strengthening phases, but no dimples on the fracture surfaces of the as - cast sample. it can be concluded from above results that niobium - niobium silicide based in - situ composites ( rmics ) with a uniformly orientated microstructure can be produced by the ebfzm with high temperature gradient, and their mechanical properties can be increased
隨著抽拉速率的提高和硅化鈮強化相間距與尺度的減小，材料的室溫拉伸強度和斷裂韌性均有提高， _ b最高可達778 . 4mpa ， k _ （ ic ）達到了46 . 3mpa ? m ~ （ 1 / 2 ） ；試樣的拉伸斷口基本表現為脆性解理斷裂的花樣，裂紋沿基體強化相界面繞過強化相進行擴展，在裂紋擴展方向存在解理臺階，並形成撕裂棱。
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