nutrient ratio
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The results indicated as follows:the total nutrient elements accumulation of various Slash Pine stands amounted to 1273.83-1615.88kg/hm2,of which stem occupied about 60%. The nutrient retention accounted for 111.46-133.39kg/hm2*a,which is higher than that of either Chinese fir or Masson pine plantation. The nutrient return equalled to 90.43-105.09kg/hm2*a. Nutrient elementsturnover period is long while cycling rate is lower. The net production per ton needs 13.19-14.81kg nutrient.
结果表明:湿地松林分中养分元素总积累量为1273.83-1615.88kg/hm2,树干约占60%,积累速率为111.46-133.39kg/hm2*a,高于杉木和马尾松,归还量仅有90.43-105.09kg/hm2*a,其周转期长,养分循环速率低,每生产1t有机物需要上述养分元素共13.19-14.81kg。
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Studied the solid particles cyclone separation under structural parameters and operating parameters of different hydrocyclone, the results showed that major factor influence split ratio is in the ratio of entrance to exit pressure of hydrocyclone. Exit pressure has a certain influence on the split ratio, the various of the diameter and cone angle of hydrocyclone (in the ratio of entrance to exit pressure is constant) have no influence on split ratio; With diameter and cone angle increase, the separation granularity gradually increasing and recovery ratio decreasing; With entrance pressure increase, the separation granularity of hydrocyclone decrease, the split ratio of underset will increase slowly; With the diameter of overflow pipe increase, the separation granularity of hydrocyclone increasing and recovery ratio decreasing; With the diameter of underset pipe increasing, the separation granularity of hydrocyclone decreasing and recovery ratio increasing.
在不同的水力旋流器结构参数和操作参数下,对固体颗粒的旋流分离进行了分析研究,结果表明:旋流器的排出口比是影响分流比的主要因素,进口压力对分流比有一定影响,水力旋流器的直径变化和锥段角度变化对分流比基本上没有影响;随着直径、锥段角度的增大,分离粒度逐渐增大,回收率降低;随着入口压力增大,水力旋流器的分离粒度变小,底流的分流比会缓慢增加;随着溢流管管径的增加,分离粒度增大,分流比明显减小,回收率降低;随着底流管直径的增加,分离粒度减小,分级效果明显下降,回收率会增加。
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Firstly, all the terms concerned are split up into basic term elements-termels, then eight aspects of quantificational indexes are given: errors-in-printing ratio,'inconsistent/uncanonical spelling' ratio,'unnecessary one-many/many-one correspondence' ratio,'inequivalent term' ratio,'discrepant interdisciplinary term' ratio,'unconformable-to-GB term' ratio,'incomplete/redundant term' ratio, and overall 'term worthy of revision/discussion' ratio.
其基本方法,一是从名词集中拆分出基础要素-名词元;二是提出八项量化指标:印误率,英语拼写不一致与不规范率,非必要的一多与多一对应率,英汉名词不对等率,与交叉学科名词有异率,与国标定名不符率,收词欠完备与冗余率及总体值得修榷率。
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nutrient ratio:营养率
\\"营养胶\\",\\"nutrient gelatin\\" | \\"营养率\\",\\"nutrient ratio\\" | \\"营养,营养物\\",\\"nutrition\\"
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nutritive ratio; nutrient ratio:营养率
营养性肌病 nutritional myopathy | 营养性(鸡)白喉 nutritional roup | 营养率 nutritive ratio; nutrient ratio
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nutrient ratio; nutritive ratio:营养率
营养分含量 nutrient content | 营养率 nutrient ratio; nutritive ratio | 营养分需要量 nutrient requirement
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nutrient to caloric ratio:营养分能量比
营养分需要量 nutrient requirement | 营养分能量比 nutrient to caloric ratio | 营养分 nutrient; nutritive substance
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NCR nutrient to calorie ratio:营养素与热能比,养分对能量比
NCI National Cheese Institute 全国干酪研究所[美] | NCR nutrient to calorie ratio 营养素与热能比,养分对能量比 | ND nitrogen digestibility 氮消化率
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