查询词典 low-keyed

In order to observe the effects of mercuric chloride to physiological and biochemical indexes of blood at low doses in SD rats, 24 SD rats were separated into control group, low dose group of mercury (50 mg/L), middle dose group of mercury (100 mg/L), high dose group of mercury (200 mg/L), which were given in the drinking water.

为了研究低剂量汞对SD大鼠血液生理生化指标的影响，24只SD大鼠被随机分为4组，分别为对照组，汞低剂量组（50 mg/L），汞中剂量组（100 mg/L），汞高剂量组（200 mg/L），采用自由饮水染毒，染毒时间为21d。

In the described system, in order to transmit the narrow-band analog signals or low speed digital signals at any time and under any climatic condition, sun-blind-region ultraviolet is used as information carrier, the modulated low voltage mercury-vapor lamp is used as emission device.

所描述的系统是以日盲区紫外光作为信息载体的，用被调制的低压汞蒸汽紫外放电灯作为发射器件，以日盲型滤光片和光电倍增管或日盲型紫外光电倍增管作为接收器件，以达到在任何时间和在任何气候下完成窄频带模拟或低速数字信号的传输。

Due to the problems,which indicate the low success, the low work efficiency and the bad security of the fiber microtome,existing in fiber measurement for a long period,we do experiments to improve and consummate the manipulation of the fiber microtome.

针对纤维切片器在长期检测中普遍存在的制作纤维横截面切片成功率低、工作效率低、安全性较差等问题，对使用操作方法进行了改进和完善，并简单比较了切片照片的处理方法。

Methods An high efficiency microwave radar transmitter was refit to act as the microwave resource,an microwave power densimeter was independently developed to detect microWave intensity;the hypergravity enviorment was simulated by using the centrifuge;the low atmospheric pressure environment was founded by refitting the animal low pressure oxygen cabin.

高功率微波武器在未来战争中，特别是在空战和海战中，对装备的破坏和人员的杀伤将发挥"杀手锏"的作用［56］。微波辐射的热效应和非热效应对机体的影响是复杂而广泛的，如同水源污染，大气污染和噪音污染一样，亟待进行深入研究和有效治理。目前国内外虽有不少关于超重环境和低气压环境以及微波辐射对机体影响的单因素研究报道［79］，但尚未见有微波辐射对处于超重或低气压环境下机体协同影响的报道。

Minton and Wruck find little evidence that the tradeoff theory explains the capital structure choices of low debt firms. Rather, they find that low debt firms appear to follow a financing hierarchy.

Minton和Wruck找到了很少的公平交易理论的证据解释较低债务公司的资本结构制，他们发现较低债务公司似乎出现了一个金融层次。

The inter-group differences in application of modality realizations are significant, esp. in high and low value modal occurrences. Ordinary teachers have employed more high value modal realizations than model teachers, but fewer cases of low value modal realizations than model teachers.

同时，研究对象教学话语中高值情态手段的使用也占一定的比例；2优秀教师和普通教师在情态手段的使用上存在显著的差异，特别表现在高值和低值情态手段的使用上。

In this paper, typical physical topology and its characteristics of low-voltage network are analyzed in detail, topology model of power line communication over low-voltage network is given for simulation, and the means based on Ant Colony Optimization is put forward, which is used to construct the power line communication networks without any available information of power line wiring in a building On the basis of these, the effect and anti-destruction means are analyzed and tested by emulating experiments.

该文详细地分析了典型低压配电网物理拓扑结构和特点，给出了低压配电网通信仿真拓扑模型，提出了一种适用于未知建筑物电力线拓扑结构条件下的蚁群电力线组网方法；在此基础上，通过仿真试验验证了该组网路由算法的有效性和抗毁性。

The δ13 is-1.63‰~2.31‰ and averages 0.25‰δ18O is-11.49‰~6.02% and averages-8.72‰. The content of Sr is low, 77×10^(-6)~107×10^(-6), the content of Fe and Mn are high. The degree of order is high and the molar volume of CaCO3 is low.

13C值为-1.63‰~2.31‰，平均为0.25‰，δ18O值为-11.49‰~-6.02‰，平均为-8.72‰；锶含量较低，在77×10^(-6)~l07×10^(-6)之间，二价铁、锰含量较高，具有高的有序度和低的CaCO3摩尔含量的特点。

Objective To observe the bioeffects of Molt 4 cells treated with low frequency ultrasound and to study the feasibility of cancer treatment by low frequency ultrasound.

目的 研究低频超声对Molt- 4肿瘤细胞的细胞周期和细胞凋亡的影响，并评价低频超声在肿瘤治疗中的应用价值。

Money market fund, stable, low-risk, highly liquid, investment and low cost.

货币市场基金具有收益稳定、风险低、流动性高、投资成本低等特点。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。