氮的

The effects of nitrogen on dry matter accumulation and distribution of Triticale Zhongsi 237 were studied.

对大田条件下不同施氮量和施氮方式对小黑麦中饲237干物质积累及分配的影响进行研究。

The Tuckahoe fluid ferment conditions including Carbon source, Nitrogen source, pH and culture time were examined .

对茯苓液体发酵的碳源、氮源，pH值及发酵时间等进行研究，结果表明，最佳碳源是葡萄糖与蔗糖，氮源为麸皮，碳源浓度为8%，pH为5.0，发酵时间为5d。

Using field experiment and chemical analysis,the yield and nitrate content of various organ in tumorous stem mustard under different forms of nitrogen and different nitrogen levels were studied.

采用田间试验和化验分析等方法，研究了不同形态氮、不同氮水平下，茎瘤芥各器官产量和硝酸盐含量的变化特征。

With varnish and poly, this is a Major NO-NO.

随着漆和聚，这是一个重大的一氧化氮一氧化氮。

OBJECTIVE To determine the relative and absolute molecular weight of working reference substance of Grifolafrondosa beta-Glucan and compare the two analysis methods.

目的测定灰树花倍他葡聚糖工作对照品的相对及绝对分子质量，并对两种分析方法进行比较。方法色谱柱为TSK-G4000PW，流动相为0.7%硫酸钠(含0.02%叠氮化钠)或0.2%叠氮化钠溶液，流速为0.5 mL.min-1，柱温为35℃，高效凝胶渗透色谱法用示差折光检测器，高效凝胶渗透色谱和激光光散射联用法用DNDC仪和激光光散射仪联用。

Yeast cell rupture conditions by zymolysis were determined with waste brewer's yeast as material and α-amino nitrogen as inspection target.

确定了以啤酒废酵母为原料，酵母酶解液中α-氨基氮含量为考察指标的蜗牛酶酶解破壁条件；并以啤酒废酵母酶解液为有机氮源，厌氧发酵制备丁二酸。

The constructed wetland process was applied to treat rural domestic sewage. The results showed that the abilities of different macrophyte species to remove nitrogen and phosphorous were quite different with each other. Acorus calamus Linn has stronger ability to remove TP and NH3-N.

采用潜流式人工湿地工艺处理农村生活污水，结果表明：不同植物对氨氮、总磷的去除能力差别较大，菖蒲对总磷和氨氮净化效果较好。

Based on the laboratory building the small aquatic ecosystem, removal efficiency of total nitrogen and total phosphorus by Acorus Calamus, Tonina Fluviatilis and Hygrophila difformis with submerged and emerged cultivation was researched. The results showed that the content of TN was 68.43-279.31 and 23.44-170.13mg in shoots and in roots, respectively.

通过在室内构建小型水生生态系统，研究了挺水和沉水培养模式下大水剑、太阳草、水萝兰3种水生植物体内氮磷含量及去除生活污水中氮磷的能力。

Sialon powders have been synthesized by carbonthermic and aluminothermic reduction and nitridation from natural Kaolin. The cost is 2030 times lower than that forming pure β′-Sialon from artificial materials.

首次以天然高岭土为原料，通过碳热还原氮化和铝热还原氮化两种途径制备β'-Sialon粉体，它比用合成原料制备的纯β'-Sialon成本下降20－30倍。

Objective To study the effects of inducible NOS inhibitor aminoguanidine on the expression of NOS in facial nerve and surrounding tissue of traumatic facial paralysis rats.

目的 研究诱导型一氧化氮合酶抑制剂氨基胍对创伤性面瘫大鼠外周面神经及周围组织一氧化氮合酶表达的影响。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。