Protein and carbohydrate have 4 calories per gram, per unit weight.
每克每单位重量蛋白质和碳水化合物产生4卡路里。
Fat has twice the calories per unit weight than protein or carbohydrate sugar has, as a consequence, has the greatest survival value.
脂肪单位体重的卡路里含量是蛋白质和碳水化合物的两倍，因此，有最能维持生存的价值。
This is the amount of oxygen the body can utilize per unit weight per unit time .
这是氧气量体，可利用每单位重量每单位时间。
But the phosphate group per unit weight of NHCPand P-NHCP decreases to 65% and 32% of normal cells respectively.
但单位重量非组蛋白及磷酸化非组蛋白所含磷酸基团反而下降，仅分别为正常肝的65%和32%。
Perhaps a key adaptive advantage of the angiosperm is their ability to construct wood with much less expenditure of energy per unit weight.
也许被子植物适应优势的秘诀就在于它们有能力形成每单位重量的木材可支付少得多的能。
The foam metal nickel has the advantage of good heat conductivity and the molten salt has the advantage of large heat storage quantity per unit weight or volume.
泡沫金属镍具有传热性能好，熔融盐具有蓄热量大、化学稳定性好等优点。
Besides efficiency, durability and reliability, the most important requirement for solar cells was how much power they could generate per unit of weight.
它在除了功效、耐久性和可靠度之外，最重要的要求是电池每重量单元能产生多少功率。
Cars must carry their energy and expend energy to carry it, so the less weight per unit of energy, the better.
汽车必须携带能量而这本身就需要消耗能量，因此单位能量的重量越低越好。
Cars must carry their energy and expend energy to carry it so the less weight per unit of energy the better.
汽车必须携带能量而这本身就需要消耗能量，因此单位能量的重量越低越好。
The data indicated that insects grow more rapidly, and they emit less carbon dioxide per unit of weight gained than do cattle and pigs.
数据表明昆虫的生长速度更快，在获得相同单位体重的情况下，它们相比猪和牛，产生的二氧化碳更少。
Coal contains less energy per unit of weight than weight than natural gas or oil; it is difficult to transport, and it is associated with a host of environmental issues, among them acid rain.
煤的单位能量含量低于石油和天然气，而且会导致包括酸雨在内的一系列环境问题。
Fats contain more than twice as much energy (calories) per unit of weight as proteins and carbohydrates.
脂肪的每一单位重量的热量两倍于蛋白质和碳水化合物的。
Four components contribute to rice grain yield including the panicles per unit area, the number of spikelets, the percentage of, and the weight of ripe grains.
四个水稻籽粒产量构成因素为单位面积穗数、小穗数、成熟籽粒百分数和成熟籽粒重量。
Bulk density is defined as the weight per unit volume of loosely tipped fuel.
堆积密度是指每单位重量的体积松散倾斜燃料。
The high metabolic rate of small animals, for example, gives them sustained power and activity per unit of weight, but at the cost of requiring constant consumption of food and water.
例如，小动物较高的新陈代谢率，以其体重的每单位计算均能赋予动物以持续不断的能量和活动能力，但其代价是，要求它们不间断地消耗水和食物。
Moreover, the application of angle-count cruising to calculating the stand volume, standard stock number, stand weight and stock number per unit area, is discussed.
本文探讨了角规测树法在测算毛竹林分蓄积量、标准株数、林分重量及单位面积株数中的应用。
The dry matter weight per unit, dry matter accumulation per stem( panicle), and transportation of leaf apparent matter was more than the high yield crop management.
与传统高产栽培管理比较，单位面积干物重、茎物质积累量和叶片的物质表观转出量高。
One of the three large classes of substances in foods and living cells, lipids contain more than twice as much energy (calories) per unit of weight as the other two (proteins and carbohydrates).
是血液和生物细胞内三大类物质之一，以单位重量所包含的能量（卡路里）计，类脂化合物是其它两种（蛋白质和碳水化合物）的两倍还要多。
Miniature evaporator is a compact exchanger with small volume, light weight, and big heat transfer area per unit of volume. It is an important application in the field of cryogenics and refrigeration.
微型蒸发器是一种体积小、重量轻、单位体积换热面积大的紧凑式换热器，在制冷低温技术领域中有着重要应用。
They used far less energy per unit of body weight than humans, or macaque monkeys on calorie-restricted diets, or hibernating lemurs.
他们每单位体重使用的能量比人类，或者限制热量饮食的猕猴，或冬眠狐猴每单位体重使用的能量少得多。
A high wear resistance is a special advantage if it permits a lower weight per unit product.
高耐磨性若能使产品减轻重量，它就有突出的优点。
As a result, the yield per unit is improved by more than 20 percent, and the growth regulator improves quality, full fruit rate, seed weight, protein and fat content remarkably.
结果单产提高20%以上，并明显改善其品质，饱果率、百仁重、蛋白质与脂肪含量均明显提高。
Increasing the applying amount of nitrogen and phosphorus could all promoted nitrogen and phosphorus content in plants and total dry matter weight per unit area.
增施氮磷用量，均可提高油菜植株氮、磷含量和单位面积的总干物重。
Objective:Osteoporosis means that the bone weight per unit volume and bone strength reduce. which induce systematic osteonosus for increase of bone fragility.
前言： 目的：骨质疏松是指单位体积骨量的减少与骨强度的降低。骨量减少和骨显微结构受损既而引起骨脆性增加的系统性骨科疾病。
Coalcontains less energy per unit of weight than natural gas or oil; it isdifficult to transport, and it is associated with a host of environmentalissues, among them acid rain.
煤的单位能量含量低于石油和天然气，而且会导致包括酸雨在内的一系列环境问题。
Grouping small shipment into large ones is the primary method to lower cost per unit of weight in transportation.
将小型运输组合成大型运输，是降低单位运输重量成本的主要方法。
Grouping small shipment into large ones is the primary method to lower cost per unit of weight in transportation.
将小型运输组合成大型运输，是降低单位运输重量成本的主要方法。
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