查询词典 nitrogen-free

The cotton lint yield was correlative with nitrogen concentration in fruit-branch leaf, which would cause the lint yield reduction when it was lower or higher than critical nitrogen value in fruit-branch leaf.

在大田栽培条件下，于江苏南京和河南安阳设置了棉花施氮水平试验，依据Justes的临界氮浓度稀释模型确定方法，研究棉花花后果枝叶临界氮浓度稀释模型及其与棉花产量的关系。

Therefore, it is very important to study on high nitrogen content diamond synthesis in HPHT condition.In this study, we use a cubic anvil HPHT apparatus. Using catalysts, graphite and addition of NaN3, large green single crystal diamond with high nitrogen concentration is firstly synthesized by temperature gradient method.

本文使用国产六面项压机，首次用不同触媒(FeNiMnCo、FeNiCo)+C+不同比例的添加剂NaN3合成出具有完整晶型的优质深绿色高氮含量宝石级金刚石单晶，研究了NaN3对宝石级金刚石中氮含量及生长行为的影响。

The main causes resulted in the yield and quality difference among treatments were that it was beneficial to decomposing and releasing nutrients in compost when mixed EM and it was raised significantly for the rapid availability of Nitrogen, Phosphorus and Potassium in soil applied EM biological-organic fertilizer, which increased the Nitrogen, Phosphorus and Potassium nutrient content in stem, leaf blade and ear and improved the organism function, and then the chlorophyll content and rate of photosynthesis of crop functional leaf blade were raised, the strengthened photosynthesis increased the plant dry matter content, thereby laid a foundation for seed-filling.

分析产量提高和品质改善的原因，得到以下结论：EM的加入促进了有机肥养分的分解和释放，EM生物有机肥土壤的有效氮、磷、钾含量显著提高，充足的肥料供给使植株的N、P、K含量增加，机体的功能得到改善，作物功能叶片的叶绿素含量和光合速率提高。光合作用的增强促使植株干物质积累量增加，从而为灌浆和籽粒饱满打下坚实的基础。

Nearly all high-molecular-weight dissolved organic nitrogen and part of the particulate organic nitrogen in deep sea are present in hydrolysis-resistant amides, and to date, their biodegradation mechanisms have yet to be resolved.

深海中的高分子量有机氮都是难被化学水解和生物降解的氨基化合物，即蛋白质以颗粒有机氮和溶解有机氮的形式存在。

The expression of autotrophs growth kinetics indicates that autotrophs maximum growth rate can be determined by analyzing the varying trend of nitrate nitrogen concentration with time changing under conditions of lower initiative nitrate nitrogen concentration and autotrophs concentration.

自养细菌增长动力学表达式表明，在较低的起始硝态氮浓度和自养细菌浓度条件下，通过分析硝态氮浓度随时间的变化趋势，可以确定自养细菌最大增长速率。

The excess nitrogen atoms in WNx films desorbs at temperatures below 766 ?aC. The excess nitrogen in WNx films can cause the effective work function lowering. Weak Fermi-level pinning effect is observed on HfO2 film. In this case, WNx/HfO2 gate stack can be applied to p-type fully-depletion SOI devices but WNx is not suitable to be meal gate of bulk p-type MOSFTEs.

氮化钨中过多的氮元素在温度低於766 oC便会析出，且过多的氮会导致氮化钨有效功函数下降，在氧化铪上会有轻微的费米栓效应，这种情形下，氮化钨可应用於p-型全空乏绝缘层上矽金氧半场效电晶体元件，但不适合当块材 p-型金氧半场效电晶体闸极。

For this reason, this paper tried to determine the change of the protein amount in milk protein fiber during the dyeing and finishing process by detecting the change of nitrogen content via the optimized Kjeldahl Nitrogen Analysis.

为此，通过优化改良凯氏定氮法测试工艺，尝试以含氮量的变化来表征染整化学加工引起蛋白质成分的变化。

To obtain the best nutritional quality, the optimum nitrogen application is 125.8kg/hm~2 under middle density, during different development stage, the best C/N value were respectively 1.35-1.40, 1.17-1.25, 1.02-1.03, 0.62-0.71, 1.55-1.72, 0.98-1.02.8, Consequently, to obtain the unification between high yield and good quality, under the conditions of this study the optimum plant density is 60000 plant/hm2, the optimum nitrogen application is 120kg/hm2 to 180kg/hm2 under this density, it was obtained that at five-leaf, seven-leaf, ten-leaf, silking, lid after silking and harvest stage, the best C/N value were 1.27-1.63, 0.80-1.38, 0.81-1.07, 0.62-0.90, 1.39-1.72, 0.98-1.17, respectively.

在各生育时期适宜叶片碳氮比值分别为：1.35～1.40、1.17～1.25、1.02～1.03、0.62～0.71、1.55～1.72、0.98～1.02。 8、综合各因素，要达到甜玉米高产优质的统一，本试验推荐种植密度为60000株/hm~2，中密度下适宜施氮量为120～180kg/hm~2，叶片碳氮比值在五叶展、七叶展、十叶展、吐丝期、吐丝后11天、收获期动态变化为：1.27～1.63、0.80～1.38、0.81～1.07、0.62～0.90、1.39～1.72、0.98～1.17。

In addition, based on the fact that phosphorus is usually the limiting nutrient for nitrogen fixers, a novel method named "nitrogen fixing bacterial growth potential" test, for evaluating limiting nutrients, was developed.

此外，根据固氮菌的主要限制性因子是磷这一特性，设计了一种被称为&固氮细菌生长潜力试验&的评价水体限制性营养因子的新方法。

The results have shown that for fodders containing different protein levels, the excretion of nitrogen and phosphor was the lowest (34.05%) when the crude protein reached 30%,and the excretion increased gradually otherwise;and for fodders containing different protein qualities,the excretion of nitrogen was the highest,fed with fish meal.

因此测定鱼类氮、磷排泄对研究养殖鱼类对氮、磷的日粮需要和养殖水域环境污染具有重要意义。许多学者从事了这一研究。草鱼作为我国重要经济养殖鱼类，有着较大的养殖面积。草鱼氮、磷排泄情况的研究在国内还未见报道，在国外，C.G。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。