查询词典 low-temperature

To solve the problems of the limescale ,the oxidation which are produced by the direct contact between a metallic conductor and water, the detectingreliability and the service life, the utility model adopts the technical proposal as below: the proposal comprises a monostable controllable trigger, a second low-pass filter, a voltage follower and a display circuit, the power circuit links with the monostable controllable trigger, the second low-passfilter, the display circuit and a timebse pulse circuit separately, the utility model is characterized in that the monostable controllable trigger, the second low-pass filter and the display circuit sequentially links, the monstable controllable trigger separately links with a water lever sensor and thetimebase pulse circuit.

为了解决金属导体与水直接接触会产生水垢和氧化、影响检测可靠性和使用寿命的问题，本实用新型采用了以下技术解决方案：它包括单稳可控触发器、二阶低通滤波器、电压跟随器和显示电路，电源电路分别与单稳触发器、二阶低通滤波器、显示电路和时基脉冲电路相接，其特征在于单稳可控触发器、二阶低通滤波器、电压跟随器和显示电路依次相接，单稳可控触发器分别与水位传感器和时基脉冲电路相接。

As the application of the intermediate models is concerned, the works applying the intermediate models to investigate the topographic boundary layer, frontogenesis and low-level frontal structures, and the boundary layer jet are summarized in this article. It is mainly focused on the dynamic characteristics of the Ekman layer and its effect on the low-level structure and circulation of the weather systems illustrated by the models. It is shown that the intermediate boundary-layer models have great potential in illustrating the low level structures of the weather and climate systems as they are coupled with the free atmospheric models.

对于这些Ekman边界层近似理论模型的进一步应用问题，主要回顾和总结了利用上述模型探讨地形边界层结构、大气锋生过程、低层锋面结构和环流以及边界层日变化、低空急流形成等动力学问题的研究，并对这些研究所揭示的Ekman层动力学特征及其对自由大气低层运动的影响进行了分析，结果表明，这些Ekman边界层近似模型可以较好地揭示大气边界层动力学特征，在大气边界层动力学及其与自由大气相互作用的研究上具有重要价值。

Cold air was the factor of synoptic system that producing maximal effect on acid rain, followed by low pressure trough, especially the westpath frontolysis and low pressure trough in South China Sea, which have very obvious impact. Subtropical high pressure has a low impact to acid rain.

对酸雨影响最大的是冷空气，其次是低压槽，其中以西路锋消和南海低压槽影响较为明显，副热带高压影响较小。

The normal control group, hyperlipidemia model group, high dose of perilla seed group (2.5 g/kg), low dose of perilla seed group (0.83 g/kg) were designed to measure the contents of total cholesterol, three acids glyceride, high density lipoprotein cholesterol, low density lipoprotein cholesterol, very low density lipoprotein cholesterol and malondialdehyde, superoxide dismutase activity.

方法］采用高脂饮食建立鹌鹑高脂血症模型，分别测定正常对照组、高脂模型组、紫苏籽高剂量组(2.5g/kg)、低剂量组(0.83g/kg)血清中总胆固醇、甘油三脂、高密度脂蛋白、低密度脂蛋白、极低密度脂蛋白、丙二醛含量及超氧化物歧化酶的活性。

Since 1999, low-fat, low-cholesterol products containing at least 6.25 grams of soy protein per serving – equal to about a half-cup of tofu or a cup of soy milk – can carry a label that says:"Diets low in saturated fat and cholesterol that include 25 grams of soy protein a day may reduce the risk of heart disease."

自1999年以来，任何低脂肪、低胆固醇产品，只要含有每餐至少6.25克大豆蛋白（相当于半杯豆腐或一杯豆浆），就可以在标识中带有以下字样："本产品饱和酸含量低，胆固醇含量低，含有每天所需的25克大豆蛋白，可以降低心脏病风险。"

First low order approximation of generating function and approximate optimal trajectory were obtained. Then using low order approximation of generating function of Hamilton "relative motion" to the approximate optimal trajectory, improvement of the approximate optimal trajectory was iteratively made. In this way, high order approximation accuracy can be obtained by only using low order approximation, which is much cost effective in computing.

首先以较低的计算代价，获得最优控制Hamilton系统生成函数的低阶近似，得到一条近似的最优轨线，然后将最优控制Hamilton系统相对于近似最优轨线求"相对运动"，该"相对运动"仍具有Hamilton性质，利用这一"相对运动"的生成函数低阶近似，可以对近似最优轨线进行迭代修正，从而以计算代价较小的低阶近似逼近计算代价高得多的高阶近似的精度。

Sea cucumber is an effective weapon to prevent H1N1, because hectogram water, sea slug protein-containing 14.9 grams, fat 0.9 grams, 0.4 grams carbohydrates, 357 milligrams of calcium, phosphorus 12 mg, iron 2.4 mg, and contains vitamins B1, B2, niacin and so on immunity and enhancing the role of good physique, sea cucumber with low cholesterol, fat content is relatively small, is a typical high-protein, low fat, low cholesterol food, please be assured that food.

海参是预防H1N1的有效武器，因为每百克水发海参含蛋白质14.9克，脂肪0.9克，碳水化合物0.4克，钙357毫克，磷12毫克，铁2.4毫克，并含有维生素B1、B2、尼克酸等，对免疫力和增强体质有很好的作用，海参含胆固醇极低，脂肪含量相对少，是一种典型的高蛋白、低脂肪、低胆固醇食物，请放心食用。

At the same time, in order to further optimize the structure of the real estate market, and improve low-income families in housing security system, to better meet the general public to the needs of low-cost housing, the Shanghai municipal government in 2003 for three consecutive years has also raised the three million square meters a year to start in low-cost housing targets.

与此同时，为了进一步优化结构的房地产市场，提高低收入家庭的住房保障体系，以更好地满足广大市民的需要，低成本住房，上海市委政府在2003年连续三年来还提出了三百点○○○万平方米一年开始的低造价住房的目标。

In Xing shu gang oil-field, low permeability, weak physical characteristic, high content of clay cause serious formation damage. On research of the study of low permeability formation and damage characteristic of Xing shu gang oilfield, we acquire why the injection wells have problems of little hygroscope thickness and low hygroscope capacity.

本文针对杏树岗油田薄差层渗透率低、物性差、粘土含量高、吸水能力较差的问题，通过对杏树岗油田薄差层储层敏感性评价和储层伤害机理的研究，详细分析了造成该油田注水井吸水能力较差的原因。

Based on the low-velocity impact test, 4 major modes of low-velocity impact damage including delamination and matrix cracking were taken into account FEM simulation. By using appropriate failure criterion, the low-velocity impact damage of z-pin reinforced laminates can be identified.

从z-pin增韧复合材料层合板低速冲击实验出发，考虑了复合材料层合板在受低速冲击时的分层及基体开裂等四种损伤形式，引入适当的损伤判据，对T300/3234碳纤维树脂基复合材料层合板的低速冲击损伤过程进行有限元模拟。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。