The ruminal protozoal is the important component of the ruminal microorganism. They influence the digestion and utilization of carbohydrate, nitrogenous material, mineral and vitamin in feed directly.
瘤胃原虫是瘤胃微生物的重要组成部分，它们直接影响饲料中碳水化合物、含氮物质、矿物质和维生素的消化和利用。
The nutritive ingredients content on the whole plant raw material and its accumulation amount showed remarked difference under different density and applying nitrogenous fertilizer quantity.
不同密度和施氮处理下全株原料营养物质含量及其积累量有较大差异。
The main results are as follows:1) The polyaniline was prepared by the oxypolymerization method at different conditions and the nitrogenous carbon material was obtained by carbonizing polyaniline.
并用循环伏安、恒流充放电和电化学阻抗等测试手段比较了不同条件下制备的碳材料的电化学性能。
Coal Water Slurry (CWS) is a new type of clean fuel which can substitute petroleum. And it also is the raw material for preparing methanol and nitrogenous fertilizer.
水煤浆，是一种新型的清洁环保代油燃料，同时也是煤制甲醇、氨等工业的气化原料。
Coal Water Slurry (CWS) is a new type of clean fuel which can substitute petroleum. And it also is the raw material for preparing methanol and nitrogenous fertilizer.
水煤浆，是一种新型的清洁环保代油燃料，同时也是煤制甲醇、氨等工业的气化原料。
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