查询词典 nitrogen

The distiller's grain is best for improving soil pH, organic hydrolyte- nitrogen and alkalinity of soil., the soil organic and hydrolyte- nitrogen were increased 5.57g/kg and 22.23 mg/kg, and the pH, exchangeable sodium percentage were reduced 0.23, 8.78 percent.

酒糟对改良盐碱土壤pH值、有机质、水解性氮和土壤碱化度效果最好，磷石膏对盐碱土脱盐效果最显著，鸡粪提高土壤有效磷含量效果最明显。

The invention use an alcaligenes faecalis as a fermentation strain, using sucrose or glucose commonly used in food industry as carbon source for microbe cultivation, using conventional chemical fertilizer in the agricultural production as nitrogen source and inorganic salt, the medium of microbial growth is prepared by auxiliary yeast powder, aerobic fermentation is processed in the conditions of 30 DEG C, 1.0vvm, 500r/min ventilatiing and stirring, adding specially supplementary food fluid in the fermentation course achieves the following aims:(1) controlling the penetrating pressure of the broth in the hypotonicity condition;(2) controlling the pH of the broth between 4.0 and 7.0;(3) providing abundant nutritious matter such as carbon source and nitrogen source for microbial growth, obtaining Weilan gum broth after 72 hours, obtainin Weilan gum product by drying in 95-115 DEG C and atmospheric pressure.

本发明以一株粪产碱杆菌为发酵菌种，使用食品工业中常用的蔗糖或葡萄糖作为微生物培养的碳源，以农业生产中常用的化肥作为氮源和无机盐，辅以酵母粉配制微生物生长的培养基，在30℃以1.0vvm、500r/min通风搅拌条件下好氧发酵，发酵过程中流加特殊配制的补料液以达到以下目的：(1)控制发酵液的渗透压处于低渗条件；(2)控制发酵液的pH处于4.0～7.0之间；(3)为微生物生长提供丰富的碳源和氮源等营养物质，经72小时得到威兰胶发酵液，在95℃～115℃下常压干燥得到威兰胶产品。

The results indicated that when the B.subalis was applied in stimulant aquaculture wastewater,the removing rate of nitrite nitrogen and nitrate nitrogen reached above 99% after four days,pH value obviously decreased,but dissolved oxygen content and S2-content was changed indistinctively.

结果表明，枯草芽孢杆菌可迅速有效的降低水体中的硝酸盐、亚硝酸盐含量，4 d去除率均达99%以上；可有效降低水体的pH值；对水体中溶氧和硫化物含量的影响较小。

Subalis was applied in stimulant aquaculture wastewater, the removing rate of nitrite nitrogen and nitrate nitrogen reached above 99% after four days, pH value obviously decreased, but dissolved oxygen content and S2-content was changed indistinctively.

结果表明，枯草芽孢杆菌可迅速有效的降低水体中的硝酸盐、亚硝酸盐含量，4 d去除率均达99%以上；可有效降低水体的pH值；对水体中溶氧和硫化物含量的影响较小。

To illustrate how information on an input's value might affect its use, use of nitrogen, phosphorus, potassium, and a nitrogen-providing inoculum on the production of soybean are examined.

为了说明投入值的信息怎样影响其应用，这里对氮、磷、钾和具有固氮作用的接种剂在大豆生产中的施用做了分析。

At the firstexperiment, when the Nitrogen valid content is 0kg/hm~2, the Phosphatevalid content is 112.5 kg/hm~2, the Kainite valid content is 112.5 kg/hm~2,the Sulphur valid content is 60 kg/hm~2, we can acquire the highestoil-content 45.87%. At the second experiment, when the nitrogen validcontent is 0kg/hm~2, the Phosphate valid content is 112.5 kg/hm~2, theKainite valid content is 112.5 kg/hm~2, we can acquire the highestoil-content 44.08%.

本试验条件下在低氮、中磷、中钾水平下可以获得较高的含油量；在第一次试验中当氮、磷、钾、硫的有效含量分别为0kg／hm~2、112.5kg／hm~2、112.5kg／hm~2、60 kg／hm~2时可以获得最高含油量45.87％；在第二次试验中当氮、磷、钾的有效含量分别为0kg／hm~2、112.5 kg／hm~2、112.5 kg／hm~2时可以获得最高含油量44.08％。

In the single factoranalyzes, It shows a negative related line to Nitrogen dosage andoil-content. The relation of Phosphate dosage and oil-content is curverelated. To some extent, the using of Phosphate will raise the oil-contentof rape, but it will be lower if Phosphate is too much. The Kainite dosageand oil-content is curve related. The relation of Sulphur dosage andoil-content is related to the experiment place. The oil-content is higherwhen the Nitrogen dosage at low level, the Phosphate dosage at middle level,the Kainite dosage at middle level in this condition.

单因素效应分析氮肥施用量与含油量呈直线负相关；磷肥施用量与含油量呈曲线负相关，在一定范围内，施用磷肥有利于油菜含油量的提高，过量则降低含油量；钾肥施用量与含油量呈曲线负相关；硫肥施用量与含油量相关性随试验地变化不同。

The characteristics of nitrogen metabolism and soil nitrogen of four invasive plants (Ipomoea cairica, Wedelia trilobata, Synedrella nodiflora, Lantana camara) and one native plant (Paederia scandens, control plant) had been studied.

研究了4种外来入侵植物(五爪金龙、南美蟛蜞菊、金腰箭和马缨丹)和1种本地植物鸡矢藤的氮代谢及其土壤氮特征。

The maximum nitrogen content in leaf and leafstalk of all three treatments appeared in late September; N values in leaf were 23.1、26.5 and 26.2 mg·g-1, and in leafstalk were 14.4、12.4 and 13.2 mg·g-1 respectively, but the contents of nitrogen in the stem of P.

其中，T1、T2和T3的叶片和叶鞘中氮含量的峰值出现在9月底，叶片氮含量的峰值分别为23.1、26.5和26.2mg·g-1，叶鞘氮含量的峰值分别为14.4、12.4和13.2mg·g-1；而茎氮含量的峰值出现在10月底，其峰值为9.5、9.1和9.0 mg·g-1。

The result is as following: As growth of soybean, the nitrogen concentration in each soybean organ is descending except for seed; moreover, leaf's nitrogen is always larger than stem and leafstalk. The largest absorption rate appears form pod- setting to pod- filing, which is 15.17mg /d individual plant.

结果表明：随着大豆生长发育进程的推进，大豆各器官N素浓度的变化，除籽粒呈上升趋势外，其它各器官均呈下降趋势，且叶片的氮素含量始终高于茎杆和叶柄；最高吸收速率出现在结荚至鼓粒期，其数值为15.17mg/株·d。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。