固氮的

According to the chemical metallurgy principle of self-shielded weld and the analysis on the deoxidization and nitrogen fixation of the metal such as aluminium, titanium,and etc.

根据自保护焊接化学冶金原理，分析了铝、钛等金属对脱氧和固氮的作用，研究了适合自保护焊接合理的焊缝金属化学成

The paper reviews home and overseas research works on exhumation and use of nitrogen-fixing resource, genetics engineering of nitrogen fixation, and biochemistry of nitrogenase and chemical modeling of biological nitrogen fixation, and describe the prospect of biological nitrog...

本文从固氮资源的发掘和利用、固氮的遗传工程以及固氮酶生物化学和化学模拟生物固氮三方面对国内外的研究进展进行了全面的阐述，并对生物固氮研究的前景进行了展望。

The paper reviews home and overseas research works on exhumation and use of nitrogen-fixing resource, genetics engineering of nitrogen fixation, and biochemistry of nitrogenase and chemical modeling of biological nitrogen fixation, and describe the prospect of biological nitrogen-fixing research.

本文从固氮资源的发掘和利用、固氮的遗传工程以及固氮酶生物化学和化学模拟生物固氮三方面对国内外的研究进展进行了全面的阐述，并对生物固氮研究的前景进行了展望。

Inoculation techniques and inoculant products are well developed and provide farmers an inexpensive option to attain maximum BNF by their crops.

接种技术和接种剂产品很多，为农民提供了最大限度促进作物生物固氮的廉价选择。

The pot experiment indicated that different strains symbiotic nitrogen fixation efficiency and the ammonium molybdate concentration were related.

盆栽试验表明，不同菌株共生固氮的有效性与钼酸铵浓度相关。

Among the blue-green algae are many species of nitrogen fixation.

许多种蓝藻有固氮的能力。

Using the closed chamber method,〓 fluxes of various soil-soybean systems(unplanted,planted with unnodulated and planted with nodulated soybean) and theenvironmental factors were measured at the Shenyang Experimental Station ofEcology (41°42'N, 122°23'E)of Chinese Academy Sciences in 1994,1996 and 1997.Also,the 〓 emissions of soybean plant and soybean nodule were studied in thelaboratory.

于中国科学院沈阳生态试验站(4l°32′N，122°23′E)，采用封闭式箱法对不结瘤固氮、结瘤固氮的大豆-土壤系统以及裸地的〓排放通量及主要环境因子进行了多年系统的原位观测，并在实验室条件下，对大豆植株及其根瘤的〓排放进行了研究。

Certain N-fixing cyanobacteria also form a symbiotic relationship with the water fern Azolla in rice paddy systems.

一些固氮的兰细菌也能在水稻田里与水生蕨类红萍形成共生关系。

Like rhizobia, the nitrogen-fixing endophyte Frankia elicits the formation of specialized root nodule structures which house BNF processes.

像根瘤菌一样，固氮的内寄生弗兰克氏菌能够诱发特殊的根瘤结构，在其中进行生物固氮过程。

The investigation deals,with the nitrogen fixation of some blue-green algae isolated from the soils of rice fields.Samples of algae-bearing soils were collected from rice fields in the provinces of Hupeh,Hunan and Kiangsi.

湖北、湖南和江西等地采集的稻田蓝藻经过分离、培养、缺氮培养初步找到可能固氮的蓝藻后，进一步得出了无菌的纯培养的蓝藻藻种，经过试验和用微量凯氏法测定其产生的氮量，确定了四种蓝藻系固氮蓝藻。

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。