片语

equilibrium mass concentration平衡质量浓度

particulate mass concentration颗粒物质浓度

mass percent concentration质量百分浓度

mass action concentration作用浓度

biomass mass concentration菌体质量浓度

mass percentage concentration质量百分浓度

mass abundance concentration质量浓度

initial mass concentration初始质量浓度

safe mass-concentration安全质量浓度

英汉例句

• s. after retrofit, the mass concentration of nox emission was sharply reduced by 60%, meanwhile the overheating problem in reheater tubes was controlled effectively.

  改造后氮氧化物排放的质量浓度下降达60%，同时再热器管超温问题得到了有效控制，但飞灰含碳质量分数有较大幅度的升高。

• after the continuous mass concentration and flux conditions of the contaminant between two media were adopted, the bottom boundary condition of liner systems was treated.

  采用两层介质之间污染物质量浓度连续和通量连续条件，处理衬里系统底端边界条件。

• the stellar orbits in the galactic centre show that the central mass concentration of four million solar masses must be a black hole, beyond any reasonable doubt.

  银河系中心恒星的运行轨道表明，这个有4亿个类似太阳系的天体围绕的中心体一定是一个黑洞，这是毫无疑问的。

• ambient air quality standard between china and america was compared in the fields of function determination, standard「s level, pollutant」s item, sample time and mass concentration limit etc.

  比较了中美两国环境空气质量标準的制定依据、功能区划分、标準级别、污染物项目、取值时间和污染物质量浓度限值等内容。指出美国环境空气质量标準的修订频次高于我国；

• a laser based technique is proposed which is able to measure and supervise the mass concentration and particle size of smoke and dust in emissions.

  提出了能直接测量烟尘和粉尘排放浓度和粒径大小的激光监测技术，具有实时快速、非接触、在线、无需取样和连续测量的优点。

• a simple and cheap petroleum vapor mass concentration analysis method is needed.

  在该领域研究中，迫切需要简单、便宜的油气质量浓度分析方法。

• this paper analyses the change of pm_(10) mass concentration at shijingshan district in autumn, and finds that climate change affects pm_(10) mass concentration greatly.

  分析了北京市石景山区秋季pm_（10）质量浓度的变化特征，发现气候变化对pm_（10）质量浓度有很大影响。

• the effects of cathode current density, mass concentration of suspended w powders, temperature, stirring intensity on the volume fraction of w particles in the cu-w composite coating were studied.

  分析了阴极电流密度、微粒的质量浓度、温度、搅拌速率等对铜-钨复合镀层中钨微粒的体积分数的影响。

• the dust mass concentration measurement based on photometer measurement is widely used nowadays because of its fast, simple and continuous working features.

  光度计粉尘质量浓度测量法具有快速、简便和能够连续测定等特点，是目前广泛采用的一种粉尘质量浓度测量方法。

• the mass concentration at the base of liner systems distinctly decreases with the increasing thickness of the original soil layer.

  随着原始土层厚度的增大，衬里底端质量浓度呈明显减少趋势；

• with the increasing of initial mass concentration of 2-n-propylphenol, the biodegradation rate decreased, and the lag phase and the half time were prolonged accordingly.

  丙基酚初始质量浓度增加，生物降解速率下降，滞后期和半衰期也相应延长。

• in the process, the mass concentration of the obtained xylobiose component is 21-32%, and the xylobiose content of the xylobiose component reaches 94% or above.

  本发明的工艺得到的木二糖组分的质量浓度为21～32％，木二糖组分中木二糖含量达94％以上。

• the mechanism of cbm pool trap is capillary trap, mass concentration difference (gradient) trap and pressure trap.

  毛细封闭、质量浓度差封闭和压力封闭是煤层气藏封闭的主要表现形式。

• a model for measuring aerosol mass concentration by an optical particle counter is presented using the conception of the average mass.

  基于平均质量的概念，提出了粒子计数器测量悬浮颗粒物质量浓度的计算模型。

• furthermore, with the solid mass concentration increasing, the pressure drop of rough-cut cyclone separator decreases, and the separation efficiency and gas discharge of dipleg increase.

  随固相质量浓度增大，粗旋风分离器压降降低，分离效率和料腿排气率均有小幅上升；

• the results show as follows; the flowing time and half life cracking drop, and cracking rate constant and demulsification performance increase with its mass concentration or generation;

  结果表明：随着该聚合物的文化代数及质量浓度的增加，油滴液膜排液时间缩短，半生命期减小，破裂速率常数增大，破乳性能提高；

• moreover, the concentration of sof and ds, the mass concentration of pm in emission and the distribution of pm diameters were studied.

  着重阐述了燃油中硫含量与排放颗粒物直径和浓度的关系。

• through the steady and dynamic shear experiment, the effect of molar mass and mass concentration of polymer solution on its viscoelasticity is studied.

  采用稳态剪切实验和动态剪切实验，研究了聚合物的摩尔质量及其溶液的质量浓度对于溶液粘弹性的影响。

• in respect to the human body's sensitivity to partial pressure of co2, the exposure limit expressed by mass concentration can satisfy the requirement.

  人体对co2的分压敏感，用质量浓度表示接触限值在高原地区能够满足要求；

• the effect of mass concentration of starch on accuracy of determining partially hydrolyzed polyacrylamide(hpam) concentration by use of starch-cadmium iodide method was studied.

  探讨了用淀粉-碘化镉法测定部分水解聚丙烯酰胺（hpam）质量浓度时，淀粉质量浓度对测定结果準确性的影响。

• the outlet mass concentration of ozone was effectively decreased with the ceramic plate barrier.

  陶瓷板的阻挡有效地降低了反应器放电产生的臭氧质量浓度；

• ultrasonic attenuation technique is used to investigate a method to measure mass concentration of paper fibers in dilute pulp suspensions.

  采用超声衰减技术研究了稀释纸浆悬浮液中纸纤维质量浓度的测量方法，讨论了稀释纸浆悬浮液中超声的衰减机理。

• in order to realize measurement of aerosol mass concentration in real time by optical particle counter, the calibration method of the instrument was studied.

  为了实现光学粒子计数器系统实时精确地测量悬浮颗粒物的质量浓度，对该系统的标定方法进行了研究。

• the change of the mass concentration gradient of uranium metal is obviously regular.

  铀金属质量浓度梯度变化规律明显；

• the results indicate that: the correlations of black carbon mass concentration and near ground wind speed to aerosol extinction coefficient are good;

  实验结果表明，水平大气气溶胶消光系数与黑碳质量浓度、地面风速等近地气象因子均有较好的相关性；