The effects of rare-earth elements lanthanum (La~(3+)) and cerium (Ce~(3+)) at different mass concentrations on the growth of Microcystis and Selenastram bibrainum Reinsch in fresh water were studied by stimulated test in laboratory.
通过模拟培养实验,研究了不同质量浓度的稀土元素La3+和Ce3+对2种产地的微囊藻以及月牙藻增殖的影响。
The traditional design method of the crescent rib on the screw-thre ad steel finished product passes is very overelaborate and the results obtained based on it have some errors.
螺纹钢成品孔月牙肋的传统设计法不仅繁琐,并且据此而得出的结果有误差。
A studies of degradation of water system and some control measures in the Moon Lake of Dunhuang Region;
敦煌月牙泉水环境退化与防治对策
Repeated Gender Fate Tragedies: Two Stories Comparison Between the Crescent Moon and The Cotton Heaps;
命运轮回的性别悲剧——《月牙儿》与《棉花垛》之比较
They both analyse intellectuals fatalism in daily life by the description of two different characters separately:"I"(the prostitute) in The Crescent Moon by Lao She and "I"(Chi Dawei) in The Water of Turbulent Waves by Yan Zhen.
作为有着悲剧意识和忧患意识的知识分子、作家,现代的老舍与当代的阎真跨越时空奏响了共同的心灵震颤之曲:《月牙儿》中的“我”(妓女)、《沧浪之水》中的“我”(池大为)以“灵魂堕落”的自我倾诉,剖析了知识分子日常生活中宿命性的人生“真理”,从而传达出不同时代的作家对转型期知识分子前途命运共同的困惑和抗拒。
The Yaba Yuan and Yue er Cheng at the Qing Imperial Mausoleums;
清代帝陵的哑巴院和月牙城
With the knowledge of Hindu trigonometric functions,two reconstructive methods,crescent and zone figure,were given by Bhaskara to prove the area formula of the sphere.
婆什伽罗利用他所熟知的印度三角函数知识,给出了球表面积公式的两种证明方法,即月牙形方法和环带形方法。