Only the grasp of the dosage and concentration of collagenase, which is put at the accurate and proper location, can improve the safety of the application of collagenase.
掌握胶原酶的用量和浓度，使胶原酶作用于精确合适的部位，才能提高胶原酶应用的安全性。
The main factors which influence the applied effect of grinding-aids are dosage and concentration of grinding-aids, characteristics of grinding materials and temperature of clinker.
影响助磨剂使用效果的主要因素是助磨剂的掺量、浓度以及粉磨物料的性质和熟料的温度。
Effects of reaction temperature, oxygen concentration, catalyst dosage and reaction time on oxidation of benzyl alcohol were investigated.
考察了反应温度、氧浓度、催化剂用量以及反应时间对苯甲醇氧化的影响。
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