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The dynamics of structure formation in the Universe is usually described by Newtonian numerical simulations and analytical models in the frame of the Standard Model of Cosmology. The structures are then defined on a homogeneous and isotr... FA Roumi 被引量: 7发表: 2015年 A General Theory of ...
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【4】Master, AM. , & Oppenheimer, ET. A simple exercise tolerance test for circulatory efficiency with standard tables for normal individuals.Am J Med Sci.1929;177:233. 【5】Zohman LR, Tobis JS.Cardiac rehabilitation. Orlando, FL: Grune&Stratton; 1970. ...
document.webkitHidden : document.hidden; if (isHidden) { document.removeEventListener('visibilitychange', visiChangecb); isOnceHidden = true; } }; // 由于在部分ipad上调起地图时,isHidden也为false;但是在visibilitychange事件里有时能得到正确的isHidden,有时也一直为false; // 为了提高准确性,通...
C. NON-STANDARD FUEL D. .将燃油算作业载的一部分装载到飞机上 查看完整题目与答案 下列所述的重量,哪一项是用起飞重量减去耗油得出的( )。 A. OPERATING WEIGHT B. BASIC WEIGHT C. LANDING WEIGHT D. ZERO FUEL WEIGHT 查看完整题目与答案 下面所述的那种油量包含在落地重量中( )。 A. 总...
document.webkitHidden : document.hidden; if (isHidden) { document.removeEventListener('visibilitychange', visiChangecb); isOnceHidden = true; } }; // 由于在部分ipad上调起地图时,isHidden也为false;但是在visibilitychange事件里有时能得到正确的isHidden,有时也一直为false; // 为了提高准确性,...
document.webkitHidden : document.hidden; if (isHidden) { document.removeEventListener('visibilitychange', visiChangecb); isOnceHidden = true; } }; // 由于在部分ipad上调起地图时,isHidden也为false;但是在visibilitychange事件里有时能得到正确的isHidden,有时也一直为false; // 为了提高准确性,通过...
含钒碳质页岩中钒的物相分析 含钒碳质页岩中钒的物相分析 靳晓珠 (有色金属桂林矿产地质测试中心,桂林541004)摘 要:将含钒碳质页岩经物相分离后,在浓度为0175mo l L H 3PO 4介 质中及H 2O 2存在下,以N aF 、CyD TA 为掩蔽剂,52B r 2PADA P 为显色剂,分别测定矿物各相中钒的含量。方法检出限...
document.webkitHidden : document.hidden; if (isHidden) { document.removeEventListener('visibilitychange', visiChangecb); isOnceHidden = true; } }; // 由于在部分ipad上调起地图时,isHidden也为false;但是在visibilitychange事件里有时能得到正确的isHidden,有时也一直为false; // 为了提高准确性,通过...