结论0 375 %罗哌卡因用于硬膜外麻醉乳癌根治手术时对循环干扰轻于等浓度布比卡因。
Conclusions Interference of epidural anesthesia with 0 375% ropivacaine on hemodynamics in breast cancer radical operation is slighter than that of 0 375% bupivacaine.
在以往围岩蚀变的质量迁移研究基础上，本文提出了一种判定惰性元素的方法，同时结合等浓度线和加权最小二乘法；
The main purpose of this paper is to introduce a new method to study the immobile elements and mass transport of in geochemical process of wall-rock alteration.
甲烷在大气中的浓度以每年1%的速度增长，其不仅影响气候的变化，而且引起大气中OH，O_3等浓度的变化，是非常重要的化学物种。
The methane concentration is increasing at 1% per year, which affects not only climate change but OH, O_3 concentration change in atmosphere.
该图利用美宇航局Aura/OMI卫星传感器获取的二氧化硫浓度数据，显示了可以造成飞机发动机故障的烟尘、火山灰等物质。
Using sulfur dioxide concentration data from the NASA Aura/ OMI satellite sensor, it shows smoke, ash, and other components that can cause aircraft jet engines to fail.
这意味着任何限制温室气体浓度的措施将不得不变得更加严厉，例如减少化石燃料的燃烧、避免砍伐森林等。
That means any efforts aimed at limiting greenhouse gas concentrations will have to be even more stringent in reducing the burning of fossil fuels, clearing of forests and the like.
低浓度的煤炭，如亚煤烟煤和褐煤等，其含水量最高可达50%。
Less dense types, such as sub-bituminous and lignite coal, can contain up to 50% water.
研究了以二苯甲酮和80%水合肼为原料，合成二苯甲酮腙的工艺，探讨了物料配比、反应时间、浓度等对目的产物收率的影响。
Synthesis process of benzophenone hydrazone is studied with benzophenone and 80%hydrazine as raw materials. Effects of material ratio, reaction time and concentration on aimed products are explored.
美国芝加哥大学的研究员，通过实验发现，虾等软壳类食物含有大量浓度较高的-五钾砷化合物。
Researchers at the University of Chicago, found through experiments, shrimp and other food soft shell contains a lot of concentration higher - five potassium arsenic compounds.
考察了聚合反应条件，如溶剂种类、聚合温度、模板浓度、引发剂用量、转速、预聚合时间等对分子印迹聚合物微球特性的影响。
The effects of reaction conditions were studied, including the kind of solvent, polymerization temperature, the concentration of template and initiator, rotational speed and pre-polymerization time.
乳胶工业手套只适用于弱酸，浓度不高的硫酸和各种盐类，不得接触强氧化酸(硝酸等)。
Latex industrial gloves, apply only to weak acid concentration is not high sulfuric acid and various salts, have no contact with strong oxidizing acids (nitric acid, etc.).
考察了溴离子浓度、载体浓度，接收相组成等因素对溴离子在液膜中迁移作用的影响。
The migration behaviour of bromine ion is influenced by the concentrations of bromine ion, carrier and the receive phase etc.
研究了单体浓度，中和度，交联剂，辐照剂量等因素对交联聚丙烯酸钠吸水性的影响。
The influences of monomer concentration, neutralization degree, crosslinking agent and radiation dosages on absorption performance of crosslinking poly (sodium acrylate) were studied.
电流密度的变化的上限和下限是由电镀液的本性﹐浓度﹐温度和搅拌等因素决定的。
The change of the current density of the upper and lower specification limits by plating solution is the nature of concentration, temperature and stirring, factors such as the decision.
研究了单体浓度、引发剂浓度、反应时间和反应温度对接枝聚合物接枝率、凝胶率等的影响。
The influences of concentration of BPO, concentration of monomer, reaction time, reaction temperature were investigated in terms of grafting degree and gel content.
研究了富集时温度和流速、解吸附时的温度和流速、氢氧化钠浓度和鲁米诺浓度等影响因素对化学发光强度的影响。
The factors such as temperature and flow rate during enrichment, temperature and flow rate during desorption and concentrations of NaOH and luminol affecting CL intensities were studied.
考察了单体浓度，引发剂浓度，反应温度和时间等对共聚反应的影响。
The effects of monomer concentration, initiator, reaction temperature and time on copolymerization were studied.
简要介绍了表面活性剂在纳米材料形貌控制中的作用，以及表面活性剂的种类、结构、浓度等因素对纳米材料形貌的影响。
The function of surfactants in controlling particle size and shape of nano materials, and the influences of species, structures and concentration on them were introduced in this paper.
同时，研究了声压级、停留时间和气溶胶初始浓度等参数对声波团聚的影响。
Besides, the influences of sound pressure level, residence time and initial total number concentration on agglomeration were investigated.
研究了活性炭种类、上样速率、吸附剂种类及其浓度等条件对产品质量和收率的影响。
The effects of activate carbon, in-flux rate and adsorbent on the quality and yield of product were studied.
对臭氧活化时间、接枝单体用量、水性抗静电剂的浓度等条件进行了优化。
The ozone activation time, the content of hydrophilic monomer and the concentration of antistatic agent were optimized.
最好使用最低有效浓度，因为长时间使用高浓度的皮质类固醇可以引起例如皮肤变薄等副作用。
It is best to use the lowest effective strength as using high strength topical steroids for periods of time can cause side effects such as thinning of the skin.
研究了一些常见的羧酸以及硫酸浓度等对铝合金中温阳极氧化膜的厚度和硬度的影响。
The effect of some common carboxylic acids as well as sulphuric acid concentration on thickness and hardness of medium temperature anodizing film of Al alloy was investigated.
研究了膜组成、热处理温度、甲醇水溶液浓度等对膜电导率和甲醇透过率的影响。
The effects of curing temperature, methanol concentration and membrane composition on the ionic conductivity and the methanol permeability of the membranes were investigated.
探讨了反应时间、反应温度、反应液浓度等因素对水煤浆流变性能的影响。
Influence on rheology of coal slurry by additive thereof prepared at different reaction time, temperature and solution concentration discussed.
对马铃薯试管苗液体培养过程中所需的温度、光照、营养液浓度等条件进行了研究。
The temperature, illumination intensity and nutrition liquid concentration for the nutrition liquid culture technology of virus-free potato tube plants were researched.
考察了空速、进料浓度、反应温度等因素对催化剂活性的影响。
The effect of space velocity on catalyst was studied as well as concentration and temperature.
通过红外光谱确定了产物的结构，并对有机硼表面活性剂的酸值、表面张力以及临界胶束浓度等性能进行了研究。
Their structures were confirmed by IR, and the properties of these surfactants such as acid number, interfacial tension, and critical micelle concentration and so on were studied.
通过红外光谱确定了产物的结构，并对有机硼表面活性剂的酸值、表面张力以及临界胶束浓度等性能进行了研究。
Their structures were confirmed by IR, and the properties of these surfactants such as acid number, interfacial tension, and critical micelle concentration and so on were studied.
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