它能水解淀粉,进行硝酸盐还原,能使牛奶胨化,产生硫化氢。
It has the abilities such as starch hydrolysis, nitrate reduction, milk peptonization and H2S production.
触酶阳性,无动力,硝酸盐还原。
反应、无机N源利用、柠檬酸盐利用呈阳性,硝酸盐还原试验大多呈阳性;
B reaction, inorganic nitrogen sources utilization and citrate utilization, the results were positive. Nitrate reduction experiment presented positive largely.
真菌异化硝酸盐还原途径的发现打破了反硝化仅存在于原核细胞这一传统观念。
Dissimilatory nitrate reduction in fungi includes denitrification and ammonia fermentation, which occurs under the conditions of limited aeration.
结果表明,在富集培养和转移培养微环境中,苯和甲苯的降解与硝酸盐还原作用同时发生。
The results indicate that benzene and toluene degradation occurred concomitantly with nitrate reduction in enrichment and transfer cultures.
通过室内模拟实验研究了氟苯尼考对海洋沉积物中硝酸盐还原酶、亚硝酸盐还原酶、碱性磷酸酶活性的影响。
Effects of florfenicol on the activities of nitrate reductase, nitrite reductase and alkaline phosphatase in marine sediment were studied in laboratory by simulation experiment.
本论文对该菌株进行紫外诱变,筛选高产菌株,并研究其产亚硝酸盐还原酶的条件,所产亚硝酸盐还原酶的酶学性质和稳定性。
Effects of florfenicol on the activities of nitrate reductase, nitrite reductase and alkaline phosphatase in marine sediment were studied in laboratory by simulation experiment.
当有外加硝酸盐还原菌时,硝酸盐的抑制时间明显增强,低浓度的硝酸盐(0.01%)就可以抑制SRB的生长达8天之久。
When NRB-HT was added simultaneously, the inhibition period was prolonged obviously. Nitrate of 0.01%could inhibit the growth of SRB-HT as long as 8 days.
硝酸盐氮的最终还原产物为氨氮。
The final reduction product of nitrate nitrogen is ammonia nitrogen.
硝酸盐作为硫酸盐还原过程的抑制剂,表现了很好的抑制效果。
Nitrate is inhibitor of the process of sulphate reduction , and have evident inhibition.
当泌尿系统受到感染时,由于细菌还原硝酸盐生成亚硝酸盐,因此检测结果为阳性,常见于大肠埃希氏菌引起的泌尿系统感染。
When the urinary tract infection due to bacterial reduction of nitrate and nitrite generation so the test results were positive common in E. coli caused urinary tract infections.
本文报道用镀铜镉还原法测定血清硝酸盐。
The serum nitrate are measured with a copper-coated cadmium reduction method.
在厌氧条件下,硝酸盐和亚硝酸盐通过脱硝作用被还原。
Under anaerobic conditions nitrates and nitrites are both reduced by a process called denitrification.
本文比较了硝酸盐测定的铜镉柱还原法在两个规范中技术指标和操作工艺的差异。
The technical index and operation procedure of the cadmium-copper column reduction in two China National Specifications were compared in this paper.
芹菜叶绿素、硝酸还原酶活性和硝酸盐含量与氮肥施用量呈极显著的线性正相关。
Chlorophyll, NRA and nitrate content was positively related to the application quantity of nitrogen.
通过改变进水硝酸盐浓度,考察了硝酸盐对缺氧和好氧两种不同氧环境下的磷酸盐还原系统除磷效能的影响。
The influence of influent nitrate on phosphorus removal efficiency of phosphate reduction systems under anoxic and aerobic condition was studied by changing the concentration of influent nitrate.
催化加氢还原硝酸盐生成氮气具有高效、无二次污染等特点,是一种应用前景良好的脱氮技术。
The catalytic hydrogenization process offers a practical approach to remove nitrate from water due to the high efficiency and the benefit free from secondary pollution.
应用废水污泥不会影响硝化还原酶活性,但是BSW在根际土壤明显增加硝酸盐的含量。
The application of wastewater sludge did not affect the nitrate reductase activity but BSW significantly increased the content of nitrate in the rhizosphere soil.
不同品种硝酸盐累积的差异取决于还原硝态氮能力的差异。
The variance of nitrate accumulation of different cultivars laid on the variance of the ability in the reduction of nitrate.
依据常规生物脱氮原理,脱氮过程包括将氨氮氧化为硝酸盐氮或亚硝酸盐氮的硝化反应和将硝酸盐氮或亚硝酸盐氮还原为氮气的反硝化反应。
Based on traditional biological nitrogen removal theory, nitrogen removal involves nitrification of ammonia to nitrate or nitrite followed by denitrification of nitrate or nitrite to nitrogen gas.
对镉还原测定食品中硝酸盐的方法进行了改进,研究了影响镉柱还原效率的因素。
The determination of nitrate content in foods by deoxidization with cadmium is improved. The effecting factors on deoxidization efficiency of cadmium column are studied.
本文提出了一种快速分析NO3 -的新方法——氧化还原滴定法,适用于硝酸盐生产过程中的控制分析。
A new method, oxidation reduction titration method, that is used in quickly analyzing NO3 content was put forward.
目的:根据国标方法研制硝酸盐自动还原装置,并用于蔬菜中硝酸盐的测定。
Objective: nitrate automatic reduction device has been studied according to national standard method, and this device is used to detect nitrate in vegetables.
纳米铁还原硝酸盐氮的表观活化能较低,还原反应在常温下即很容易进行;
Due to low ap-parent activation energy for reduction of nitrate nitrogen by NZVI, the reduction reaction can be per-formed at normal temperature.
水中的硝酸盐和对硝基氯苯对电子供体存在竞争,硝酸盐反硝化对对硝基氯苯还原具有抑制作用。
The existence of nitrate had an inhibitory effect on p-NCB reduction because of competition for electron donor between nitrate and p-NCB.
以H 2为还原剂,对催化还原水中硝酸盐进行了研究。
Catalytic reduction of nitrate in water by H2 was investigated.
以H 2为还原剂,对催化还原水中硝酸盐进行了研究。
Catalytic reduction of nitrate in water by H2 was investigated.
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