As N/ P was16 in seawater, the relative content of protein was maximum.
当海水氮磷比为16时，藻类蛋白质合成的相对含量最高。
Reducing N and P rates also decreased N and P accumulation and nitrate content in the soil and decreased the risk of N and P running off.
减少氮磷化肥用量可以大幅度降低氮磷在土壤中的累积和硝酸盐的含量，减少氮磷的流失风险。
Acacia tree species increased significantly the content of total N and total C and the increment of topsoil of sandy land was significant.
相思树种明显地增加了沿海沙地土壤中全氮和全碳的含量，且增加的量以沙地土壤的表层最为显著。
The influence of application of organic and nitrogen fertilizer on the content of alkali hydrolysable N in fertilities soil was studied.
对设施土壤中长期施有机肥与氮肥对土壤中碱解氮含量的影响进行了研究。
Most of the content of nutritive substance declined with the emergence of callusing and rooting. The conventional rule of C/N value didn't suit for Taxodium distichum.
随着愈伤组织和不定根的出现，多数营养物质含量呈下降趋势，传统的C/N规律对落羽杉扦插并不适合。
The total nitrogen(N) content was determined with Kjeldahl to study the influences of temperature, digesting time and sample dosage on the course of digesting wild H.
用凯氏定氮法测定总氮含量，研究温度、消化时间及样品用量对野生竹红菌消化过程的影响。
The heritability of N content in grain and leaf and N utilization efficiency were high.
子粒、叶片含氮量和氮利用效率的遗传率相对较高。
It also shows that the growth of plantation is greatly affected by the content of soil nutrients specially total n, total K and soil organic matter.
林分生长与林地土壤中全n、全k以及有机质等养分的含量显著相关。
Soil available N content showed largest effect on the yields of bamboo shoots and stuff.
土壤速效N的含量对竹林笋、材产量的影响最大。
The change of the content of N, P is fluctuatation, but the overall tendency is drops.
含量的变化是波动状，但是总体的趋势是下降；
The relationship between soil total N content and soil reflectance was analysed.
利用航天遥感影像，分析了影像光谱值与土壤总氮含量之间的关系。
When treating triamiphos waste water by anaerobic fluidized bed process the NH3-N content in raw waste water must be reduced and nutrition ratio be adjusted.
采用厌氧流化床工艺处理三唑磷农药废水，必须降低原水中NH_3—N含量，调整营养比例。
The relationship between the sensitivity of diesel to flow improver and some factors such as n paraffin content and distribution of n paraffin in diesel is studied.
考察了柴油对流动改进剂的感受性与柴油正构烷烃含量、正构烷烃分布等因素的关系。
An optimized regression design with three factors and five levels was adopted to study the effects of n, K and s fertilizers on the yield and nitrate content of radish.
为使人们能够吃上健康的无公害食品，采用三因素五水平最优回归设计，探讨了氮钾硫配方施肥对黄泥土萝卜产量和硝酸盐含量的影响。
The results show that the N content increases obviously with the increase of the recycle times of revert alloys, the microporosities content is higher than that of virgin alloy.
结果表明：随返回次数的增加，返回合金的N含量随之增加，组织中疏松数量也随之增多。
Leaf N/ chlorophyll content and SPAD value increased with the increasing N fertilizer, and the lower leaves were more sensitive to the soil N supply than the upper leaves.
下位叶比上位叶对土壤氮的供应状况更为敏感，随着施氮量的增加，水稻叶片氮素含量、叶绿素含量、SPAD值相应的增加，而下位叶的增幅更明显。
Combining the isotopic dilution (ID) method with the on-line fractionation correction method, the rhenium content can be determined accurately at sub-nanogram level using the normal solution n.
溶液中加入铱元素进行铼同位素的质量分馏校正，在常规的溶液雾化进样条件下，采用同位素稀释法可准确测定纳克级的铼含量。
The content of n, P, K, Ca and Mg in root decreased as root diameter increased.
根中氮、磷、钾、钙、镁含量随根径的增大而减少。
The N content of defoliation is decreased gradually at the seedling period and keeps steady after the bud period.
苗期落叶的磷含量逐渐降低，蕾薹期降至最低值，角果期后又略有升高。
There were significant negative correlations between nitrate content and total n, protein n, total p, protein p, protein K of lettuce leaf.
莴笋叶片硝酸盐含量与全氮、蛋白氮、全磷、蛋白磷和蛋白钾含量呈极显著负相关。
There are obvious mutuality in the plant biomass, grain N content, Total amount of N absorption with yield, grain N content have maximal immediate effect to yield.
植株干重、子粒氮含量、总吸氮量与产量显著相关，子粒氮含量对产量的直接影响最大。
N-nitrosamines content of cigarette side-stream in different brands was examined and investigated together with the content of tar and nicotine in cigarette.
测定了各种烤烟型和混合型卷烟侧流烟气中的亚硝胺含量，并将之与卷烟焦油和烟气烟碱量相关联。
The results demonstrated that the content of N-nitrosamines in the smoldering smoke of cigarette was not obviously related to the marked content of tar or nicotine.
测定了市售各种烤烟型和混合型卷烟阴燃烟气中亚硝胺的含量，并探讨了与卷烟焦油和烟碱量的关联。
The results demonstrated that the content of N-nitrosamines in the side-stream of cigarette was not obviously related to the content of tar or nicotine.
测定了各种烤烟型和混合型卷烟侧流烟气中的亚硝胺含量，并将之与卷烟焦油和烟气烟碱量相关联。
Effects of different N-dosage applied and N-applying stages on grain protein content and protein components and yield were studied.
研究了不同施氮量和施氮时期对小麦籽粒蛋白质及组分含量和产量的影响。
Sedimentation value, wet gluten content, loaf volume and loaf score all increased with the amount of N-fertilizer added.
容重随着施氮量的增加而降低；沉降值、湿面筋含量、面包体积和面包评分随施氮量的增加而提高。
The effect of five N levels on root yield and sugar content and production of sugar was studied with one beet variety, in order to select the best N level for high yield and high sugar content.
本试验主要是研究同一甜菜品种在五种氮素水平处理下对甜菜的块根产量、含糖率、产糖量的影响，寻求获得高产高糖的最佳施用氮素水平。
There was a significant increment(P<0.05)in BCP production and significant decreases(P<0.05) in NH3-N concentration and NDF content in the culture residue when the FOS addition level was over 0.60%.
当添加量在0.60%以上时，可以显著（P<0.05）提高培养液中的BCP含量，显著（P<0.05）降低培养液中的NH3-N含量和培养残渣中的NDF含量；
The vertical transport of nitrate-N was also affected by the soil bulk density and the organic matter content.
土壤容重和有机质含量对硝态氮的垂直运移有很大的影响；
The vertical transport of nitrate-N was also affected by the soil bulk density and the organic matter content.
土壤容重和有机质含量对硝态氮的垂直运移有很大的影响；
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