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时间延缓

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UV-C irradiation could restrain the afterripening of Coprinus comatus and inhibit the activity of polyphenol oxidase during storage, accordingly reduce its respiratory strength, minish membrane permeability and delay browning reaction, especially decrease the stipe elongation rate effectively, thereby prolong its fresh-keeping time.

UV-C照射能够抑制鸡腿菇在贮藏期间的后熟作用,降低多酚氧化酶活性,从而降低鸡腿菇的呼吸强度,减小细胞膜透性,延缓褐变反应,尤其能有效地抑制菌柄伸长,从而延长鸡腿菇的保鲜时间。

Several studies have shown that AZT can delay the onset of symptoms,thought it doesn't prevent or cure the disease.

多项研究显示,这种药物并不能预防及治疗艾滋病,但是可以延缓病征出现的时间。

The rotating magnetic field in a certain intensity and lasting a certain time can increase the content of monoaminergic neurotransmitters in body at a certain extent and it can also inhibit the caducity.

一定强度且作用一定时间的旋转磁场,在一定程度上能提高生物体单胺类神经递质的含量,且具有延缓衰老的功能。

Moreover, compared with 1 mmol/L and 3 mmol/L, 5 mmol/L treatment more significantly slowed down the maturation and consenescence process of muskmelon. Meanwhile, compared to the calcium nitrate treated for 4 h and 8 h, the discs treated for 12 h were more apparently promoted or inhibited based on above maturation and consenescence physiological parameters; however, with the prolonging of treated time to 24 h, the activities of POD, SOD and CAT dropped markedly, as well as the inhibition of synthesis of soluble protein, and the increased speed of electrical conductivity and LOX activity were reduced markedly.

与1 mmol/L和3 mmol/L的硝酸钙相比,5 mmol/L的硝酸钙处理更能显著延缓果实的衰老进程;与处理4 h和8 h相比,处理12 h硝酸钙对以上各成熟衰老指标的促进或抑制作用效果更加显著,但是随着处理时间的延长至处理24 h时,POD、SOD、CAT活性反而下降,对可溶性蛋白的合成、外渗电导率和LOX活性升高速度的抑制效应显著降低。

When evaporation was stopped during the process of soil water redistribution, soil water would move downslope by gravity.

裸地坡面覆盖杂草,能延缓产流时间、增加入渗,并促进土壤水分向深层的运移。

This delays substantially the full impact of a change in greenhouse gases, as it takes a long time for the ocean surface temperatures to equilibrate with the new radiation balance.

它能大大延缓(可能是数十年甚至数百年)温室气体变化所产生的影响,因为海洋表面温度需要很长时间才能适应新的辐射平衡。

HJ Set-retarding, water-reducing agent is applicable to mass concrete, slip-form construction in summer, and concrete work or reinforced concrete word ghat requires slow –setting of cement; it is also suitable for cast-in-situ or prefabrication of concrete or reinforced concrete members, when no constructin joints are desired for mass concrete in hot summer.

海韵牌BT-4002型缓凝减水剂适用于大体积混凝土,夏季滑模施工及要求延缓混凝土凝结时间的混凝土工程和钢筋混凝土工程也适用于夏季炎热气候下现浇及予制混凝土,钢筋混凝土构件,大体积混凝土施工时不留施工缝。

Presents the design of longitudinal control for ASTOVL lift-fan aircraft, a multi-variable, strong-coupling, complicated nonlinear system to make the system nonlinear offset and decouple, and the method used for linear system in designing the system to gain expectant flying qualities and the combination of aerodynamic control surfaces with thrust vectors to delay the control surfaces getting into saturation, and the minimum N-norm generalized inverse theorem of weighted generalized inverse adopted to apportion the moments commands, which make the control surfaces gain appropriate deflection and the simulation results to verify the dynamic inverse control laws designed really make the system nonlinear offset and decouple; when one command is given, only this output will response, and others do not response; when all commands are given together, the responses will be just the linear superpose of the response of each command, therefore the operation of the pilot will be simplified greatly.

摘 要: ASTOVL升力风扇飞机是多变量、强耦合、复杂的非线性系统,采用非线性动态逆理论设计控制律以实现系统的非线性对消及解耦,然后,采用线性系统的设计方法对系统进行设计,以使系统获得期望的飞行品质。同时,考虑到ASTOVL升力风扇飞机是由气动舵面和推力矢量融合作用的,为了延缓各舵面进入饱和的时间,采用加权广义逆中的极小N-范数广义逆定理分配力矩指令,从而使各舵面达到适当的偏转角。并将所设计的控制律进行了仿真,结果验证了所设计的动态逆控制律使系统实现了非线性对消和解耦,单个指令作用时,只有该项响应,其余不受影响;所有指令作用时,其结果就等于单个指令作用时的线性叠加,这样使驾驶员的操纵大大简化而易于控制,从而大大降低了飞行事故率。

These results show that the artificial synthetic antigen SW-BSA vaccine has a protective effect to rabbits and goats. It can delay the locoweed poisoning time of animals 30 d 40 d and provide a basis for the SW-BSA vaccine clinical trial.

以上结果表明,SW-BSA人工合成抗原疫苗对家兔和山羊具有一定的保护作用,能够延缓疯草中毒时间30 d~40 d,为SW-BSA疫苗的临床应用提供了试验依据。

The week before and after the lunar eclipse is a time to postpone important decisions.

在月蚀的前一周和后一周是延缓重要决定的时间。

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He and Nina moved to California and lived at 2005 Ivar Street, Apt.

他和Nina搬到加州,并在2005年伊瓦尔街,公寓生活。

Droperidol ( potently inhibits transfected HERGchannels and this is the probable mechanism for QT prolongation.

氟哌利多有效地抑制了转染的 HERG 钾通道,可能是 QT 间期延长的机制。

The Nazi's cruel treatment of the Jews during the Second World War is beneath contempt .

二战期间纳粹对犹太人的暴行极其可鄙。