nitrogen造句
181. The thick nitrogen atmosphere holds fog, mist, smoggy haze and rain clouds.
182. Depletion of soil nitrogen frequently leads to reduced concentrations of soluble amino and amides.
183. The nitrogen in the block Si3N4 can be determined accurately by inert gas fusion thermal conductivity method combined with 5-element bath.
184. The results showed that the nitrate reductase activity, net photosynthetic rate, chlorophyll contents and bleeding rate rose with increasing nitrogen levels.
185. In the two sides of nitrogen bridge, the degree of conjugation of one double bond with one formyl polyenic group is about equal to two aromatic cycles.
186. It was an adaptation of Wilson's cloud chamber, filled with nitrogen gas.
187. Nitrogen shortage during grain filling period decreased the sink metabolism and activity, which hindered the sucrose decomposition and starch synthesis, and finally resulted in small KW.
188. Experimental results show that, when increasing the nitrogen, the emission current density increases and the turn-on field decreases.
189. The utilization of nitrogen and energy sources by Thiobacillus ferrooxidans was investigated, and the removal of sulfur from coal pyrite exposed to the air for different time was studied.
190. The results showed that the super absorbent polymers added in ammonium bicarbonate could obviously promote the absorption of nitrogen, phosphorus oxide and potassium oxide by maize plants.
191. The process of naked cooling with nitrogen cycle refrigeration was proposed according to the producing requirement, followed by some points to note during the naked cooling process.
192. The stretchability is im proved with the reduction of nitrogen content in steel.
193. Applying potassium, boron and zinc could increase nitrogen, phosphorus, potassium, boron and zinc uptake of lily and large-headed atractylodes rhizome.
194. Objective To investigate the liquid nitrogen freezing method of infant skin strawberry hemangioma treatment and care.
195. The nitrogen components of amino acids are not channeled into well - defined metabolic sequences.
196. There is the potential of uptake of soil, inorganic nitrogen by the roots of the semi - parasite.
197. The nitrogen fertilizer losses in paddy field involve nitrification - denitrification, ammonia volatilization nitrate leaching and runoff.
198. Effects of nitrogen and phosphorus nutrition on gas exchange of maize (Zea mays) were studied under soil drought conditions.
199. Ammonification, nitrification and nitrogen assimilation in HA - TF are predominant.
200. So what we see is that the formal charge on the nitrogen is 0.
201. The inorganic ions and the amino acids were respectively added to the medium while yeast powder was used as base nitrogen source.
202. Heat production , energy and nitrogen balance were evaluated in respiration double chamber ( BAU KB - 1 ).
203. Application of nitrogenous fertilizer could markedly increase the plant part nitrogen content and the grain protein content.
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