查询词典 nitrogen-free

The result showed that Ref1 was a psychrophile, and the best growing conditions were pH 6, 20℃ and yeast extract as nitrogen source while the best xylanase producing conditions were pH 3－7, 15℃ and yeast extract as nitrogen source.

结果表明：该菌为低温型菌株，其最佳生长条件为pH6、20℃和酵母膏作为氮源；最佳产酶条件为pH3－7、15℃及以酵母膏氮源；条件优化后产酶可达118.7U/mL，可溶蛋白含量可达到60？

It suggests that the iodine atom is quasi linear with nitrogen and Mo, which is bonded to the nitrogen atom, could generate a large static electronic field and give the large contribution to NLO response.

表明碘原子与氮原子和钼原子趋于直线时，会产生较大的静电场，从而产生较大的非线性光学响应。

The results showed that the main rice yield on nitrogen applied, planting density, reciprocity nitrogen applied and planting density was best remarkable and the ratoon rice yield was not remarkable.

结果表明：头季施氮量、栽培密度、施氮量与栽培密度互作对头季稻产量差异极显著，但对再生季产量差异不显著。

In each nitrogen level treatment, root with 0 Nitrogen Root morphology Sedum alfredii Hance Cadmium

因此，研究根系对重金属胁迫的响应对于揭示植物吸收积累重金

Test results show that the conditions A2, B2, C1, D1 under the condition that the use of nitrogen-fixing bacteria + self-inoculation mixed subtilis, glucose + mannitol (0.2 +1) for carbon, nitrogen source added, about 30 hours of training The best, up 3.1 × 107cfu/ml.

试验结果表明在条件A2、B2、C1、D1的条件下，即采用自生固氮菌+枯草混合接种，以葡萄糖+甘露醇（0.2+1）为碳源，不添加氮源，培养约30小时生长最好，可达3.1×107cfu/ml。

Such a regularity indicates that nitrogen isotope abundance could serve as a sensitive indicator in evaluating the plant decomposition degree and the total nitrogen level and potential in soil.

氮的同位素自然丰度组成对于植物分解程度的灵敏响应，使其可以作为一种指示植物-土壤体系中氮素转化程度与趋势以及评估土壤中氮的有效性的指标，应用于自然生态研究。

Under high pressure especially the high concentration of alloying elements, it was found that the relationship between nitrogen solubility in liquid stainless steels and nitrogen partial pressure doesn't follow Sievert's law.

在压力较高（大于0.1MPa）特别是合金元素较高的不锈钢熔体中，氮分压与氮的溶解度关系不符合Sievert定律。

Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis and spectrometric detection.

用流量分析法和光谱检出法测定亚硝酸氮和硝酸氮及两者的总含量CFA和

The output of soil nitrogen and phosphor is associated with grain seeds,which is removed from crop field forever.Therefore,stubble retention combined with nitrogen and phosphor fertilizer supply can replenish the soil nutrient pool in the loess plateau.

耕层0-30cm速效氮和速效磷均有所增加，但速效磷以NTS增长幅度最大，而速效氮却以NTS增长幅度最小；耕层0-30cm速效钾表现为下降趋势，但以TS和NTS减幅较小。

In order to understand nitrogen accumulation and distribution in sweet maize variety with high fresh ear and kernel yield, explain the genotypic differences of N accumulation and distribution at different growth-phases and their effects on yield formation and N utilization efficiency, 22 sweet maize (Zea mays L . saccharata Sturt ) varieties released in recent years in China were planted and their N accumulation and distribution amount at jointing stage, silking stage and fresh stage under the same nitrogen level were studied.

为了解甜玉米高产品种氮素积累和分配的规律，阐明不同生育阶段氮素积累和分配的基因型差异，及其对产量形成及氮素利用效率的作用，分析了22个甜玉米品种在同一施氮水平下拔节期、开花期和鲜食期的植株氮素积累量和分配量。

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。