查询词典 nitrogen-free

Under mild ambient conditions gallium phosphide nanoparticles were employed to carry out the reduction of nitrogen.

在温和条件下，利用磷化镓纳米粒子进行了氮的还原反应，即氮氨转化。

The results showed that the liquid?solid ratio of 1.6: 1, temperature of 30°C, initial pH of 6.0 were the optimal conditions for tannase production under uncooked material fermentation with gallnut content of 20% and (NH4)2SO4 for nitrogen sources.

结果表明，在生料发酵过程中，采用20%五倍子并且以(NH4)2SO4为氮源制备单宁酶的最佳条件为：液固比=1.6：1、温度30°C、初始pH 6.0。

Dr Galloway says the aim is to maximise the effectiveness of nitrogen in food production while minimising the effects on the environment and human health.

Galloway博士表示目标是将氮对粮食生产的效用最大化，而将其对自然环境和人类健康的效应最小化。

Guards against the facture and the correlation stipulation based on the air pollution defines, the air pollutant may divide into four big projects, respectively be the gaseity pollutant (including sulfur oxide compound bucket carbon monoxide, nitrogen oxide compound, hydrocarbon, chlorine, gasified hydrogen, fluoride, chlorhydrocarbon and so on), the granular pollutant (including suspended particulate matter, golden bureau coal smoke, black smoke, acid fog, falls dust and so on), two pollutant (refers to pollutant to pass through photochemical reaction in air to have pollution again, including photochemistry fog, photochemistry high oxide compound and so on) and odor matter (including chlorine, hydrogen sulfide, curing methyl, sulfur alcohol type, methyl amines) and so on.

依据空气污染防制法及相关规定所定义，空气污染物可分为四大项目，分别为气状污染物（包括硫氧化物勺一氧化碳、氮氧化物、碳氢化合物、氯气、气化氢、氟化物、氯化烃等）、粒状污染物(包括悬浮微粒、金局煤烟、黑烟、酸雾、落尘等)、二次污染物（指污染物在空气中再经光化学反应而产生之污染，包括光化学雾、光化学性高氧化物等）及恶臭物质(包括氯气、硫化氢、硫化甲基、硫醇类、甲基胺类)等。

Major products include: gasholder storage medium: air, oxygen, hydrogen, nitrogen, liquid ammonia etc.

良好的社会信誉和优质产品深得用户的认可，大部份定单都是用户自行上门订货。

Fuel with nitrogen content less than 2 % is safe for gasification.

燃料氮含量小于2％，是气化安全。

In the same time, they were determined with GC by controlling the temperature and the speed of nitrogen.

目的：建立同时测定生活饮用水中10种卤代烃的顶空气相色谱测定方法。

Effect of different urea dosage on the growth of Gerbera jamesonii in seedling and flowering stage was studied, and the leaves nitrogen nutrition diagnosis was carried out.

研究了不同尿素施用量对非洲菊苗期长势和开花的影响，并进行了植株氮素营养诊断。

According to the selective standard of excluding and including cases,90 cases of malignant tumor were randomly divided into 3groups, Medical therapy group (30cases), Moxibustion with ginger group(30cases), A.S.T group (30cases) by using method of random number table. Three groups patients were accepted chemotherapy in vein or mouth given acute bone marrow depression drugs such as Cyclophosphamide,Nitrogen mustard (HN2),Methotrexate,Cytosine arabinosidee,Hydroxyurea,Cisplatin,Etoposide (VP-6),Vincristine etc.

根据本课题研究病例选择的纳入标准和排除标准，选择90例接受化疗的恶性肿瘤病例，通过查随机数字表法随机分为西药组，隔姜灸组和穴位贴敷组，各30例，三组患者都至少采用环磷酰胺，氮芥(HN2)，甲胺蝶呤，阿糖胞苷，羟基脲，顺铂，长春碱类(VP-6)，鬼臼毒类等急性骨髓抑制药物中的一种或一种以上通过静脉或口服给药进行化疗。

The characteristic nanorod formation is achieved by electron-beam evaporation with an obliquely incident nitrogen flux, that is, the so-called glancing angle deposition.

奈米柱状结构是以电子枪蒸镀搭配斜向入射氮气或斜向沉积法来制作。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。