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This paper aims at the study of the toxic mechanism of gelsemium total alkaloids ,i.e. their impacts on respiration,heart rate and blood pressure by 5 different concentrations(0.5,1.0,2.0,4.0,8.0 mg/kg).

为有效合理地利用钩吻，以家兔作为研究对象，每公斤体重分别静脉注射0.5，1.0，2.0，4.0，8.0mg的钩吻总碱，研究钩吻总碱对家兔的呼吸、心率和血压的影响，综合分析其毒理作用。

This machine can gobble up work at a quite fantastic rate.

这台机器能以相当惊人的速度进行工作。

It consists of a number of tiny threaded parts and a glass sight window that is .062 in diameter. This type of oiler uses a gravity feed to drip oil onto moving parts of a steam engine at a regulated rate.

它包括了一些微小的螺纹零件和玻璃视线的窗口是0.062 ，直径，这类型的涂油机使用的严重性，饲料，以滴灌石油上运动部件，一个蒸汽机在规管率。

This allows you to buy some foods in bulk at a very cheap rate.

这样你可以以很低的价格买到大块的食品。

This is a big advantage over credit cards, which we can use to incur extra debt with extreme ease, albeit normally at a much higher rate of interest.

这是一个很大的优势超过信用卡时，我们都可以利用来招致额外债务极端缓和，尽管通常是在一个更高的利率水平。

Please note that this information is based on maximum flow rate (1 gpm) at 55,000 psi.

请注意，这些信息是建立在压力为55，000 psi 时最大流量的基础上的。

Nation Health Ministry just announced a recent research result about the death reason of resident all over the country in 29th Apr 2008, this data shows that, the chronic non-infective disease becomes the mainly death reason, and at the same time the infection, month-kid disease and innutrition related disease become less and less important, the rate that chronic non-infective disease cause death become more and more important from 76.5% in 1990s to 82.5% now

2008年4月29号，卫生部公布了的三次全国居民死因调查结果，此次调查的结果显示，慢性非传染性疾病导致是主要的死亡原因，而传染病，母婴疾病和营养不良性疾病的比例逐年下降，慢性非传染性疾病导致的死亡所占比例由90年代的76.5%上升到目前的82.5%。

This allows you to slow down tension, heart rate gradually to achieve calm; Secondly, the memories of their most successful by a single examination process, including the kind of success when心花怒放, cheerful scene intoxicated state of mind as well as their own access to the examination due to good results, and teachers have been a happy mood at the time of recognition, so that can achieve the elimination of tension anxiety, pleasure participating purpose; again, assuming that in the examination room are familiar with their teachers in the invigilator, students take the exam is also their classmates, the tension imagination into the examination room relaxed and happy occasion, so easy to maintain normal natural, so tense anxiety disappear naturally.

这样可使您紧张趋缓，心率逐渐达到平静；其次，回忆自己最成功的一次考试的过程，包括获得成功时的那种心花怒放、欢快陶醉的情景和心境以及自己因获得考试的好成绩，而得到师长表扬时的愉快心情，这样可以达到消除紧张焦虑，愉悦参试的目的；再次，假设在考场上都是自己熟悉的老师在监考，参加考试的同学也是自己班上的同学，把紧张的考场想象成轻松愉快的场合，从而轻松自然的保持常态，让紧张焦虑自然消失。

This is an important consideration for high altitude flights, as the air temperature drops with altitude, at an approximate lapse rate of 2 degrees Celsius per 1000 feet.

这是一个重要的考虑因素，为高海拔地区的航班，由于气温下降，与海拔高度，在一种近似失效率为2摄氏度，每1000英尺。

At last, this study also takes the sensitivity analyses of input parameters for the prediction equations. The result shows that Bowen Ratio is the most influencing surface parameter for the development of the MH and the same with the potential temperature lapse rate in the layer above mixing height.

本文亦针对混合层预测式所需输入之各参数进行敏感度分析，结果显示Bowen Ratio为影响混合层发展最显著的地表参数，而混合层上方位温斜率值对於混合层高度的发展亦有相当程度之影响。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。