It grows well in Ashby nitrogen-free culture medium, thus having broad prospects for use.
该菌株在阿须贝无氮培养基上生长良好，具有良好的应用前景。
Seventy percent of our carbon-free, sulfur-free, nitrogen-free, mercury-free electricity comes from nuclear plants.
我们所有不排放二氧化碳，不排放硫化物，不排放氮，不排放铅的电力，其中有百分之是七十来自核能发电。
In the nitrogen-free Pot experiment, the nodulating competitive ability of the parental and marked strains and their nitrogen fixing efficiency were tested.
通过砂培试验研究了标记基因对受体菌株的竞争结瘤能力和固氮有效性的影响。
The results of plant nutrients analysis showed that phosphorous was higher in the district of grazing in early time, crude ash and nitrogen-free extract were lower.
在草地植物养分的分析中，磷的含量在早期放牧小区内表现较高，粗灰分和无氮浸出物表现较低。
Oxygen free nitrogen pressure testing is now widely recommended.
现在广泛使用的是无氧氮气压力检测。
The nitrogen Deoxo Vessel contains a fixed bed of free copper catalyst which removes oxygen from the nitrogen stream by oxidation of copper to copper oxides.
氮气脱氧罐中装有一个游离铜催化剂的固定床，通过将铜氧化成氧化铜把氧气从氮气中脱除。
Drought increased, while waterlogging reduced the contents of total nitrogen and free amino acid in stem and sheath, and that of protein in grain.
干旱处理提高了茎鞘总氮与游离氨基酸含量以及籽粒蛋白质含量，而渍水处理则使其降低。
As the nitrogen partial pressure increases, the variation of color coordinate is caused by decrease of free electrons number of the films and decrease of plasma frequency.
发现颜色坐标的变化是由于随氮分压增加，自由电子浓度降低引起等离子体频率降低造成的。
After being cultured on malate medium free fron nitrogen for 7-9 days, the strain emerged in spiral shape.
在无氮的苹果酸盐培养基上生长7—9天，出现螺旋状菌体。
This article discusses effects of different package materials on free amino acids nitrogen, salt, free fatty acids, and soluble solid content without salt during the sufu production.
该文研究了腐乳生产过程中，采用不同包装材料，对其游离氨基酸态氮、食盐、总酸、游离脂肪酸和可溶性无盐固形物含量的影响。
Under the protection of nitrogen the reaction system does not induce polymerization of acrylamide indicating no generation of free radicals.
在氮气保护下，反应不能引发丙烯酰胺聚合，说明在反应中没有自由基产生。
Ozone can reacts with unsaturated hydrocarbons or nitrogen oxides, and generates numerous free radicals.
臭氧能与不饱和烃及氮氧化物反应，并产生大量自由基和官能团。
Under the protection of nitrogen, the reaction system does not induce polymerization of acrylamide, indicating the generation of no free radicals.
在氮气保护下，反应不能引发丙烯酰胺聚合，说明在反应中没有自由基产生。
Within the nodules the bacteria convert free nitrogen to nitrates, which the host plant USES for its development.
根瘤内的固氮菌将游离氮转化为硝酸盐，被宿主植物在发育中利用。
Applying nitrogen fertilizer at heading stage could enhance contents of total nitrogen, total soluble protein, free amino acids and free lysine in wheat grains.
抽穗期施氮肥可提高小麦籽粒的全氮含量、总可溶性蛋白质量及游离态氨基酸与游离态赖氨酸量等。
The twin free crystals were obtained by quenching into liquid nitrogen.
在液氮中快淬得到的单晶是无孪晶的。
Catalytic converters reduce carbon monoxide, oxides of nitrogen, and volatile organic compounds in emissions and necessitated the use of lead-free fuel.
催化转炉减少了一氧化碳，氧化氮和挥发性有机混合物等的排放，而且无铅燃料的应用也当成为必要。
In addition, some free non-protein compounds were involved in nitrogen metabolism during the development of flower organs.
另外，在花器官发育过程中，还有游离非蛋白氨类化合物参与氨代谢。
The ploughing-free technology was suitable for different methods of applying fertilizer and levels of applying nitrogen.
在本试验条件下，麦茬水稻免耕技术适宜于不同施氮水平和施肥方法采用。
Nitrogen Protection is used in practical industry because of poor wettability of lead-free solder.
由于无铅钎料润湿性较差，在实际生产中普遍采用氮气保护。
We have nitrogen lead-free technology, special designs and advanced program software. So consumers ratify our products very well.
产品以高超的氮气无铅技术、独特的设计、强大先进的程序软件深受业界肯定。
So far, there is no high-efficiency and low-energy consumption, pollution-free waste water treatment technology with sludge reduction and nitrogen and phosphorus removal.
迄今为止，尚无一种集污泥减量与同时脱氮除磷为一体的高效低能耗、无污染的废水处理技术。
Circulated nitrogen system is designed to improve the wettability and fluidness of lead-free solder and to ensure that the solder joints are shiny and bright.
氮气循环使用，增加无铅焊料的侵润性和流动性，使锡点饱满光亮。
Circulated nitrogen system is designed to improve the wettability and fluidness of lead-free solder and to ensure that the solder joints are shiny and bright.
氮气循环使用，增加无铅焊料的侵润性和流动性，使锡点饱满光亮。
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