Although positive people showed a greater resistance to colds, negative people did not necessarily get sick more often.
尽管积极的人对感冒表现出较强的抵抗力,消极的人也不一定更容易经常感冒。
Negative PCR works like wind resistance does on your car: the harder you put your foot down, the more the wind impedes any further increase in your speed (see "It pays to be negative").
负pcr的工作原理就像风对汽车的阻力一样:踩油门越困难,提速时风的阻力就越大。
However, this approach has led to the evolution of resistance to pesticides and has severely negative impact on human health and the environment.
然而,这种方法已经导致了害虫对杀虫剂的抗药性,同时也已经给人类健康和环境造成了严重的负面影响。
This resistance is coming from your present-self's desire not to experience negative emotions.
产生这种抗拒的原因是,你此时此刻不愿去体验消极情绪。
Switching phenomena with an associated negative resistance region have been observed in the current-voltage characteristics of lead oxide film sandwiches.
在氧化铅薄膜三层结构的电流——电压特性中发现了具有负电阻区的开关现象。
You must be able to act without resistance or hesitation, but with the appropriate amount of positive restraint to counteract the negative effects of overconfidence or euphoria.
你在交易时必须没有压力或不会犹豫,还必须用积极的态度克服过分自信或过分兴奋的消极效果。
And the mechanism causing the difference is also analyzed based on the concept of negative frictional resistance.
并根据打桩引起的桩负摩阻力概念对两类桩基沉降差异的机制作了分析。
This paper describes a new method by which the positive, negative resistance to ground of DC bus and branch could be tested precisely by mere use of universal instruments and standard resistors.
提出一种仅用万用表和标准电阻就可以准确测量出直流母线和支路负荷正对地电阻、负对地电阻的新测量方法,这种方法能准确查找绝缘低故障支路;
In this paper, the electric circuit of linear negative resistance was designed with operational amplifier, and its characters. Special stability condition, were analysed.
本文给出用运算放大器实现负电阻的实验电路及其分析,主要讨论电路的稳定条件。
The resonant tunneling diode (RTD) is one of the most promising band-gap engineered heterostructure devices due to its negative differential resistance.
共振隧穿二极管因其特有的负微分电阻特性,成为一种很有前途的基于能带工程的异质结构量子器件。
The negative skin friction resistance caused by collapsible deformation after water soaking into collapsible loess will reduce the vertical bearing capacity of piles.
湿陷性黄土地区地基土浸水湿陷后,桩侧表面可能产生负摩阻力,将导致桩基承载力降低。
Objective:In order to observe the effect of negative pressure on vascular elasticity, resistance and bloodflow volume in diabetic patients with peripheral angiopathy.
目的:观察负压疗法对糖尿病伴有肢体血管病变患者的肢体血管弹性、阻力和血流量的影响。
The result shows, under different vibration mode, equivalent parallel capacitance and resistance are not constant value. There is negative damp effect in transducer system at the operating mode.
结果表明,在换能器不同振动模态下,等效并联电容电阻并非恒定值,而且实际支承工况下换能器系统工作时存在负阻尼效应。
Objective: to investigate the Gram negative bacterial resistance rates in ICU and discuss how to treat infections caused by these resistant strains.
目的:调查从我院重症监护病房(icu)患者中分离的革兰阴性杆菌耐药状况,并探讨对耐药菌感染的治疗策略。
Based on negative temperature coefficient resistance (NTCR), a fine multiple channel temperature measurement system was designed.
以负温度系数热敏电阻为核心器件设计了多通道高精度温度测量系统。
In the process of SC design, an approach combining parasitic resistance pre-mutating and SC negative resistance is followed to achieve a simple filter circuit.
并采用寄生电阻预畸变与SC负电阻相结合的办法,设计的SC滤波器对寄生电容不灵敏,且电路简单。
In effect, a negative resistance is inserted in the circuit so that its total resistance is zero.
实际上,这就是把负电阻接入电路,使电路的总电阻为零。
The main feature of this device is high speed charge transport and broad regions of negative differential resistance.
其主要特点是,高速的电荷传输和宽的负微分电阻。
This paper expatiates on the causes of negative frictional resistance which may appear on bridge piles, analyses the calculation methods and gives ten methods reducing it.
阐述了桥梁桩基负摩阻力产生的原因,分析了桩基中性点位置确定、负摩阻力计算等问题,并提出了十条有效减少负摩阻力的措施。
Objective: To investigate the resistance of the gram negative bacteria.
目的:了解革兰氏阴性杆菌对多种广谱抗生素的耐药情况。
The paper describes the method of fabricating flexible polyaniline electrode. Negative resistance is observed obviously in the air using the electrode in the devices and its mechanism is discussed.
描述聚苯胺柔性透明电极的制作方法,利用该电极制作负电阻器件,在大气环境下观察到明显的负电阻特性,并对其产生负电阻的内在机理进行分析。
The SC filter is insensitive to parasitic capacitance implemented by a simple circuit in the way of combining advance mutation of parasitic resistance and SC negative resistance.
为了获得电容最佳值,提出了一种简单的最优化方法;并采用寄生电阻预畸变与SC负电阻相结合的办法,设计的SC滤波器对寄生电容不灵敏,且电路简单。
The experimental results of analogue circuit show that type-S negative resistance can be obtained by using two like polarity transistors with various circuit connections.
模拟电路实验证明用两个同极性的晶体管以多种电路接法都能获得具有S型负阻特性的两端器件。
Its photoelectric negative resistance characteristics were investigated both by experiment and numerical simulation and its equivalent circuit is proposed.
本文对它的光电负阻特性进行了数值模拟和实验研究,给出了器件等效电路。
According to the distribution of potential, electron and hole in the BNRT at different stages, the mechanism inducing S-type negative resistance characteristics is explained.
根据BNRT不同工作状态下的内部电势、电子浓度和空穴浓度分布,解释了其S型负阻特性的产生机理。
Transgenic insect-resistance hybrid poplar 741 had negative effect on target and non-target phytophagous pests, but had positive effect on natural enemies and neutral arthropod.
研究表明,转基因741杨对目标昆虫和非目的植食性害虫存在负效应,而对天敌和中性节肢动物组成和发生无明显负作用。
The results of negative resistance effect and transient characteristics of a SOI structure prove that the program can correctly simulate the main phenomena caused by self heating effect.
对一个SOI结构的负阻效应和瞬态特性的模拟结果表明,该程序能够正确模拟器件发热情况以及自热对器件特性的主要影响。
A negative resistance is not a component of the real circuit, but it can be realized by using other circuit components.
负电阻不是实际存在的电路器件,但它可以通过其它的电路元件来实现。
The negative resistance and the noise performances are calculated by means of small signal theory. The large-signal performances are also approximately described.
本文用小信号理论计算了其负阻和噪声性能,并进行了大信号性能的近似分析。
The negative resistance and the noise performances are calculated by means of small signal theory. The large-signal performances are also approximately described.
本文用小信号理论计算了其负阻和噪声性能,并进行了大信号性能的近似分析。
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