Cereals and carbohydrates had the smallest footprints, with each pound of food releasing only 3 lb of greenhouse gases and almost no nitrogen pollution.
谷物和碳水化合物的足迹最小，每磅食物只释放3磅温室气体，几乎没有氮污染。
In a Stanford press release, Cantwell says the nitrous oxide can heat an engine to almost 3, 000 degrees Fahrenheit and expel nitrogen and oxygen at 5, 000 feet per second.
Cant well教授在斯坦福出版的新闻稿中说，氧化氮能把发动机加热到华氏3,000度，排出氮气和氧气每秒钟5,000英尺。
Then also, nitrogen, 3 minus -- these are all going to be isoelectronic with neon.
然后还有，氮，负三价-,这些都是与氖原子等电子的。
A good general-purpose gas has about 97% nitrogen and 3% hydrogen.
一种较好的通用气体含大约97%的氮气和3%的氢气。
Blood urea nitrogen and creatinine were determined on 1, 3, 5 days after CDDP treatment.
CDDP处理后，分别在第1、3和5天采血，测定血清尿素氮和肌酐。
Nutrient absorption and quality of rice on Wuyujing 3 were investigated by different nitrogen levels and irrigation methods on field.
以粳稻武育粳3号为材料，研究了大田条件下不同氮素水平和土壤水分对水稻养分吸收及稻米品质的影响。
With the aerobic aeration and anaerobic stir carried on alternately 3 ~ 4 times, respectively, the rate of nitrogen removal is above 90%.
当反应期内好氧曝气和缺氧搅拌交替进行3 ~4次，脱氮率可以达到90%以上。
However, because of a carbon atom at 3 with nitrogen, and the common protein in only a carbon atom with a nitrogen, nitrogen triclosan Cyanamid higher protein content than that.
但因其一个碳原子上含有3个氮，而普通蛋白质中一个碳原子上仅含有一个氮，三氯氰胺的氮含量比蛋白质还高。
The results showed that low calorie TPN had the tendency to lessen the functional damage of lung and could improve nitrogen balance and decrease the urine 3-MH excretion.
结果表明低热量TPN有减轻肺功能损害的趋势，能够改善氮平衡和减少尿中3—甲基组氨酸的排出量；
High nitrogen concentration led to overgrowth of cells and overproduction of by-products, therefore, decrease of 1, 3-pd final concentration and conversion of glycerol to 1, 3-pd.
氮源浓度较高时会导致菌体过度生长和副产物的大量生成，降低1,3 - PD的最终浓度和甘油到1,3 -丙二醇的转化率。
There were differences at the negative nitrogen balance after operation between 3 rd from 9 th days in both groups (P<0.05).
两组均为负氮平衡，术后第3天与第9天相比，均有显著性差异（P＜0.05）。
Description Ammonia (NH 3) or its ion form ammonium (NH 4 +) is an important source of nitrogen for living systems.
产品说明对生命机体来说氨(NH3)或铵离子形式(NH4 +)是氮的重要来源。
Using quadratic general revolving combination design with 3 factors, the effects of irrigation, nitrogen and potassium fertilization on greenhouse tomato were investigated and quantified.
采用三因素二次回归通用旋转组合设计，研究了灌水量、氮肥、钾肥的耦合效应对番茄的影响，得到番茄产量对三因素的回归数学模型。
In this paper the effects of 3 planting densities and 5 nitrogen rates on biological yield and quality of silage maize were studied by using local varieties of Qiaodan 2 as materials.
以云南宣威当地推广品种——桥丹二号为试验材料，研究了3种密度和5个施氮水平对青贮玉米生物产量及品质的影响。
The source of the certification uncertainty of multi-component calibration gases in nitrogen was analyzed. The uncertainty is less than 3%.
分析了重量法制备氮中多元标准混合气体定值不确定度的来源，其定值的扩展不确定度小于3％。
In the present review, summarize 14-3-3 proteins in plants and crucial physiological action, and focus on the regulation of carbohydrate and nitrogen metabolism by 14-3-3 proteins.
本文综述了植物中的14-3-3蛋白及其主要功能，并重点综述了14-3-3蛋白对植物基本碳、氮代谢的调控。
Field experiments were conducted to study cotton nitrogen diagnosis and topdressing recommendation by measuring cotton tissue NO 3 - concentration with Reflectoquant .
应用反射仪测定棉株叶组织硝态氮含量，研究了硝态氮作为棉花氮营养诊断和追肥推荐指标的可行性。
When mixed fully with soil, relatively can lower the rate of nitrogen release. The lowered maximum degree is 11 3%.
该肥与土壤充分混匀后，氮素溶释率相对降低，降低最大程度为11 3%。
Carbon, nitrogen, and chalcogen substitution effects on 2, 1, 3-benzothiadiazole derivative: theoretical investigations of electronic, optical, and charge transport properties.
碳、氮和氧族元素取代对2,1,3 -苯并噻二唑衍生物的电子、光谱、电荷传输性质影响的理论研究。
Liquid nitrogen was spurted until freeze-thaw status in group A, and the ramnant skin lesion needed for other treatments, but no more than 3 times.
A组用液氮点喷的方法，以冻融为度，未完全消除者可重复治疗，直至全部脱落，经过3次治疗未能完全消除者停止治疗。
Sulphur compounds such as hydrogen sulphide (h 2 s) and nitrogen compounds (NH 3, HCN) in producer gas are undesirable as their condensates are corrosive and pollutants in exhuast gases.
如硫化氢硫化合物(高2s)和氮化合物(信息NH3,HCN的)生产者天然气是不可取，因为它们的凝析油的腐蚀性和exhuast气体污染物。
The results of this paper have guidance to use nitrogen-foaming profile control technology successfully in Jinglou Block 3.
实验为下一步进行区块蒸汽氮气泡沫调驱的成功实施提供了指导性意见。
The results of this paper have guidance to use nitrogen-foaming profile control technology successfully in Jinglou Block 3.
实验为下一步进行区块蒸汽氮气泡沫调驱的成功实施提供了指导性意见。
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