fixed nitrogen
英 [fɪkst ˈnaɪtrədʒən]
美 [fɪkst ˈnaɪtrədʒən]
固定氮
双语例句
- The fixed nitrogen then diffuses out of the cells into the root environment where it is used by the plant for the synthesis of proteins.
固定化的氮从细胞中发散到根部环境中，在那里它被植物用来合成蛋白质。 - Influences of the compound effects between nitrogen and zinc on growth, N-fixation and transfer of fixed nitrogen of white clover in mixed culture;
选用南方草地土壤&山地黄棕壤进行盆栽试验，研究了氮锌复合作用对混播系统白三叶生长、根瘤发育、固氮及固氮产物转移的影响。 - Results show that four major influence factors of pulverized coals NO static emission amount are carbon content, fixed carbon content, nitrogen content and ash content respectively.
结果表明：影响煤粉NO静态排放量的四个主要因素依次为：碳含量、固定碳含量、氮含量、灰分含量。 - Results showed that the effects of CO_2 concentration enrichment on the amount of shoot carbon fixed and total carbon fixed depended on soil nitrogen level.
结果表明，CO2浓度增加，春小麦地上部碳固定量和碳固定总量均增加，但与氮肥施用水平有关。 - The proportion of fixed nitrogen fertilizer increased with wheat straw treatment. The nitrogen in poultry manure mainly existed in easy mineralization form.
其他处理肥料氮在土壤中主要以NO3N形式存在，加入秸秆增加了化肥氮被土壤固定的比例，鸡粪中的氮素几乎全部以极易矿化的形式存在。 - The effects of molecular mass characteristics and the degree of crystallinity on the diffusion was studied for a system with fixed nitrogen content ( 12.2%).
重点研究了含氮量较均匀的中氮量（12.2%）NC的分子量分布及结晶度对扩散性能的影响。 - Summary The contribution of fixed ammonium in soil minerals to nitrogen for crop absorption, the importance of fixed ammonium in the transformation of soil nitrogen, the factors that influence the fixation and release of ammonium in soil minerals are discussed in this paper.
叙述了土壤矿物固定态铵对作物吸氮的贡献以及在土壤氮素转化中的意义，讨论了影响土壤矿物固定与释放铵离子的有关因素。 - Effect of Long-term, Fixed Position Nitrogen Application on Variation of Soil Fertility in Vegetable Field
长期定位施用氮肥对菜田土壤肥力变化的影响 - The results showed on condition that other technological parameters are fixed, nitrogen content of Ti ( C_ ( 1-x), N_x) decreases with the increment of reaction temperature, isothermal treatment time, starting powders weight, or C/ Ti value except for nitrogen pressure.
结果表明，在其它工艺条件不变的情况下，Ti（C1-x，Nx）的含氮量随反应温度、保温时间、原料重量、C/Ti值的增加而减小，随氮气压力的增加而增加。 - Amount of nitrogen fixed in rhizosphere of rice plant and nitrogen fixation activities at different parts of root
水稻根际固氮量及根系不同部位的固氮活性 - 864 strain is aerobic, its optimum pH is 7 and optimum growing temperature is 30 ℃ It can fix nitrogen from atmosphere and the fixed nitrogen can be further utilized by mushroom mycelia.
好氧、最适生长pH为7，最适生长温度为30℃；能固定空气中的氮素，供菇类菌丝利用； - The total nitrogen fixed per plant as measured by nitrogen fixation activity of th stem nodules was 46 times as great as that of the root nodules.
茎瘤的固氮活性为根瘤的2.3倍，单株茎瘤的固氮量为根瘤的46倍。 - The results showed that the application of rice coating controlled release fertilizer could provide fixed nitrogen for rice earlier stage of rice growth as well as supply sufficient nitrogen for rice in later stage of rice growth.
试验研究结果表明，施用水稻专用包膜可控释肥在一定程度上既满足水稻生育前期氮素的需要，又可提供水稻后期足够氮素，有利于水稻籽粒的充实，促进水稻产量的形成。 - The apparent nitrogen recovery rate, loss rate and fixed rate have no significant difference among four nitrogen fertilizer types.
4种N肥表观回收率、表现损失和固定率均无显著差异。 - Distribution of Total, Exchangeable and Fixed Nitrogen in the Sediments of Two Lakes in Guizhou Province
红枫湖、百花湖沉积物全氮、可交换态氮和固定铵的赋存特征 - The freshly fixed NH4 came mainly from the mineralization of organic nitrogen in soil.
这部分增加的固定态按主要来自土壤有机氮矿化补充。 - Some photosynthetic characteristics in Flue cured tobacco were studied in a field experiment conducted during 1996~ 1997 with the application of fixed nitrogen levels and various proportions of different nitrogen forms.
1996～1997年连续二年进行了固定氮素用量，改变铵态、硝态氮肥的施用比例试验，对烤烟的一些光合生理特性进行了研究。 - The results showed that the fixed nitrogen amount of glutinous rice inoculated with engineering bacteria to Alcaligenes faecalis was 39 7 kg/ hm 2, and its rate of fixed nitrogen was 16 2%.
结果表明，紫香糯稻用粪产碱菌耐铵型工程菌株接种后，固氮量为39.7kg／hm2，固氮率为16.2%。 - The transfer of fixed nitrogen by white clover to ryegrass was decreased by nitrogen application and increased by low amount of zinc application.
施氮显著降低了氮转移的数量，低量施锌促进了氮转移； - Samples for RT-PCT and Western blotting were fixed immediately in liquid nitrogen after surgery, stored at-80 ℃ in ultra-low temperature freezer. All samples were confirmed by histopathology.
RT-PCR及Western所用标本为手术中切除新鲜组织，切除后立即存放在液氮中，然后冻存于-80℃超低温冰柜中手术切除标本均经组织病理学确诊。 - The root nodule symbiosis ( RNS) between legume plants and rhizobia is the most efficient and productive source of fixed nitrogen, and has critical importance in agriculture.
豆科植物与根瘤菌之间的根瘤共生（RNS，rootnodulesymbiosis）固氮系统是自然界中氮素最直接和经济的来源，在农业生产中具有十分重要的意义。 - Organic nitrogen is a quantitatively important component of fixed nitrogen in atmospheric aerosol and rainwater. The inputs of organic nitrogen to oceans may not only induce an enhancement of marine primary productivity but also influence the ecosystem structure and function.
有机氮是大气气溶胶和雨水中的重要氮组分，其对海洋的输入不仅可以促进海洋初级生产力的增长，还可能影响海洋生态系统的结构和功能。 - Leggy seedlings 'dry matter accumulation decreased, carbohydrate content was decreased, the energy fixed less, carbon and nitrogen metabolism is slow. 4.
说明徒长苗干物质积累量减小，碳水化合物含量降低，能量固定减少，碳氮代谢缓慢。 - Soil and soil ammonium fixed state acid solution nitrogen main is one of the ammonia nitrogen correlation is higher, and other forms of nitrogen correlation to the poor.
土壤固定态铵与土壤中酸解性氮主要是其中的氨态氮的相关性比较高，与其它形态的氮相关性差。 - Fixed ammonium, an important nitrogen type, plays a remarkable role in soil nitrogen cycle.
固定态铵是土壤重要的氮素形态之一，它在土壤整个土壤氮循环圈中扮演着重要角色。