有益的氨化细菌和硝化细菌成倍增加,而无益的厌氧性细菌、反硝化细菌则受抑制。
The beneficial ammonifier and the nitrifying bacteria double increase, while the unbeneficial anaerobic bacteria and denitrifying bacteria are inhibited.
在前三种底物条件下,当高底物浓度时,L-苯丙氨酸表现出反竞争性抑制作用;低底物浓度时,则呈现激活作用。
As the former three substrates were employed, at high substrate concentration, L-Phe inhibited the enzyme uncompetitively and activated the enzyme at low substrate concentration.
然而,由于漏感影响,反激变换器功率开关管关断时将引起电压尖峰,必须用钳位电路加以抑制。
However, due to leakage effects flyback converter power switch off when the voltage spike caused by the need to be inhibited by clamping circuit.
处方质子泵抑制剂用于治疗的疾病如反流性胃食管疾病(GERD)、胃和小肠溃疡、食道炎症。
Prescription proton pump inhibitors are used to treat conditions such as gastroesophageal reflux disease (GERD), stomach and small intestine ulcers, and inflammation of the esophagus.
得到抑制反电晕收尘电极的基本型式。
A basic shape of collection electrode for restraining back corona has obtained.
反斯托克斯·拉曼背向自发散射的放大效应抑制了单模光纤中的相干噪声,改善了系统的信噪比。
The coherent noise of single mode fiber is restrained by the amplification effect of anti Stokes Raman backscattering, and the signal noise ratio of sensor system is improved.
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.
甲苯对土壤反硝化酶活性有明显的抑制作用,且土壤肥力水平越高,抑制幅度越大。
Toluene significantly inhibited DEA, and the inhibition grew with the increase of soil fertility.
对反激变换器的各种开关应力抑制技术进行了分析研究,指出了它们各自的优缺点和应用场合。
This paper analyzes and studies on the switch stress suppression techniques of flyback converters, points out the advantages, disadvantages and application of the techniques.
采用乙炔抑制-土柱培养法研究了北京郊区潮土上夏玉米生育期土壤反硝化状况。
Acetylene Inhibition method was used in a soil core incubation system to study denitrification loss from Beijing fluvial soil during summer maize growth period.
胆汁反流对幽门螺杆菌感染起抑制作用。
乙炔抑制法能同时测定硝化和反硝化作用,在硝化和反硝化作用中有着重要的应用。
Acetylene inhibition method can measure nitrification rate and denitrification rate and it had been used widely.
通过浮选试验,EDS、动电位和红外光谱测定,考察了BK 501抑制剂在一水硬铝石与高岭石反浮选分离中的作用效果和机理。
The effect and mechanism of BK501 depressor in the separation of diaspore from kaolinite by reverse flotation was investigated by flotation test, EDS, electrokinetic potential and infrared spectrum.
淀粉是赤铁矿反浮选工艺中常用的赤铁矿抑制剂,而废啤酒酵母溶解相中含有与淀粉中相似的极性基团。
Starch is a commonly used hematite depressor in reverse flotation of hematite and dissolved waste Saccharomyces Cerevisiae contains a polar group similar to starch.
矿泥对金红石浮选影响大,为了有效地减少矿泥对金红石浮选的影响,进行抑制金红石反浮选试验研究。
Slime has a great impact on rutile flotation. In order to efficiently reduce the slime effect on rutile flotation, test research was conducted on rutile depression in reverse flotation.
仿真结果表明,在基于全光离散傅立叶反变换器的OFDM系统中也同样有对峰均比和光纤非线性效应的抑制作用。
Simulations also show similar PAPR reduction and fiber nonlinearity mitigation in optical inverse discrete Fourier transformer (OIDFT) based OFDM systems.
将外碳源投加在缺氧段,只能优先支持反硝化脱氮反应,而对缺氧吸磷有抑制作用。
Putting the carbon source in the anoxic reactor was in favor of denitrifying but did harm to anoxic dephosphorus.
实验结果表明:废水中有机物浓度相对于氮量明显不足,而且残留土霉素等对反硝化有明显的生物抑制作用。
Nitrate utilization rate test showed that the contents of organic compounds in raw wastewater were not sufficient for complete denitrification.
本文研究了三相感应电动机软起动器,主电路由三组反并联的晶闸管构成。通过控制晶闸管的触发角,可降低三相感应电动机定子电压,从而达到抑制起动电流冲击的目的。
The principle of the soft starter is reducing the voltage applied to the stator of the induction motor by control the triggering angle of the thyristors in order to limit the starting current surge.
本文研究了三相感应电动机软起动器,主电路由三组反并联的晶闸管构成。通过控制晶闸管的触发角,可降低三相感应电动机定子电压,从而达到抑制起动电流冲击的目的。
The principle of the soft starter is reducing the voltage applied to the stator of the induction motor by control the triggering angle of the thyristors in order to limit the starting current surge.
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