影响烧嘴雾化的因素有哪些？
参考答案：
烧嘴的雾化效果与烧嘴的装备尺寸；煤浆粒度及粘度；中心氧占入炉总氧比例；氧压大小有关。
Which of the following statements best describes the investment assumption used to calculate an unweighted price indicator series（）
A. An equal dollar investment is made in each stock in the index.
B. A proportionate market value investment is made for each stock in the index.
C. A proportionate market capitalization is made for each stock in the index.
男性，39岁，一周前右臀部注射青霉素后，疼痛逐渐加重，并发热，乏力。体温38～39℃，神志清，右臀部较对侧明显肿，局部皮温高，但不红，压痛明显，血白细胞计数15×10/L。
应考虑的诊断为()
A．深部脓肿
B．神经纤维瘤
C．药物过敏
D．左臀部血肿
E．坐骨神经炎
