Objective:A mean concentration was shown by quantitative analysis of fetal cell-free DNA in maternal plasma.
提示母体血浆中游离的胎儿DNA 的定量分析在无创性产前诊断中有重要价值。
It was showed that the mean concentration and accumulated amounts of runoff losses of nitrogen were highly correlated with N-application rates.
结果显示，随施氮量增加，农田径流液中氮素的平均浓度和氮素径流累积流失量提高，两者间呈显著正相关。
Air quality is represented by annual mean concentration of fine particulate matter (PM10 and PM2.5, i.e. particles smaller than 10 or 2.5 microns).
空气质量用年平均细颗粒物的浓度表示(PM10至PM 2.5，即粒径小于等于10或2.5微米的细颗粒)。
However, these sublethal symptoms were not observed in fingerlings of rainbow trout exposed to a mean concentration of 22.3 ppm F- after 8 days.
然而，这些亚致死的症状并没有观察到鱼种虹鳟鱼暴露在平均浓度百万分之22.3的F-后8天。
Because of these fluctuations, estimating the annual mean concentration of radon in indoor air requires measurements of mean radon concentrations for at least three months.
鉴于这种起伏，估算室内空气中氡的年平均浓度需要对氡的平均浓度至少进行三个月的测定。
Construction fugitive dust showed great impact on the ambient PM10 level in Guiyang, and contributed 12% to the annual mean concentration of PM10 over the urban area.
建筑扬尘对贵阳市区较大范围内的PM 10浓度水平均有影响，对整个城区PM 10的年均浓度贡献接近12%。
The mean concentration equation of adsorbing solute transport in heterogeneous unsaturated soil was studied based on the spectrum analysis of the spacial random field.
本文应用随机场的谱分析方法，研究了吸附性溶质在非饱和、非均匀土体中运动时平均浓度所遵循的基本方程。
A new method of calculating long term mean concentration of air pollutant from area source is proposed by integrating the line source long term mean concentration model.
利用线源长期平均浓度模式对面源的积分得到了一个用风向、风速和稳定度的联合频率计算大气面源长期平均浓度的新算法。
The formation of sea ice causes the concentration of salt in surface waters to increase; less sea ice would mean a smaller increase in the concentration of salt.
海冰的形成导致表水中盐的浓度增加；海冰的减少意味着盐浓度的增加幅度较小。
The mean and standard deviation of the Concentration of gray classes in WANNING and QINDAO were provided.
同时还给出了万宁、青岛两地各灰类氯离子浓度的平均值和标准差。
This may seem like a lapse in concentration for the Lakers, but it can also mean that nerves are jangled as well.
这看起来是湖人精神不集中造成的失误，但是这同样意味着动力是必须的。
This paper presents a method of measuring the particle mean size and dust concentration by small angle near forward light scattering optics and the extinction theory.
本文综合前向小角光散理论及消光原理，提出一种测量粉尘平均粒径及粉尘浓度的光学方法。
Objective The study was conducted to evaluate the diagnostic value of the mean corpuscular hemoglobin concentration(MCHC) in hemolytic anemia(HA).
目的观察平均红细胞血红蛋白浓度（MCHC）检测对溶血性贫血（HA）的诊断价值。
This is indicated here by the increase MCHC (mean corpuscular hemoglobin concentration).
从MCHC(红细胞平均血红蛋白浓度)升高可见。
The mean fertilization rate increased when food concentration was higher.
而平均混交雌体受精率则随食物浓度的升高而显著增大。
The diamond growth rate may be enhanced by the substrate bias due to the changes of atomic hydrogen concentration and the increase of mean electron temperature.
偏压的升高可提高电子平均温度及衬底表面附近氢原子的相对浓度；
The air quality is reflected by CO2 concentration and air age. The thermal comfort evaluation in the cabin is on the basis of PMV-PPD (Predicted Mean Vote-Predicted Percentage of Dissatisfied people).
以CO2浓度和空气龄反映客舱内空气品质，PM V -PPD作为客舱内热舒适评价依据。
More free sulfhydryls and higher sample concentration mean that one should consider using higher concentrations of reducing agent.
自由巯基数目越多，样品浓度越高，还原剂的用量就越大。
BIS, mean artery pressure (MAP), heart rate (HR), plasma concentration of propofol, and the total induction dose of propofol when BIS reduced to 50 were recorded.
记录各时间点的BIS、平均动脉压(map)、心率(HR)、丙泊酚血药浓度以及BIS降至50时的丙泊酚麻醉诱导总量。
Hemoglobin (HGB) and mean corpuscular hemoglobin concentration (MCHC) measures the oxygen-carrying pigments of red blood cells.
血红蛋白(HGB)和红细胞平均血红蛋白浓度(MCHC)测量红细胞的携氧色素。
The computing cases show that both the mean discharge process and variance process can be given for the stochastic flow concentration model.
提供的算例表明，对于随机汇流模型，不仅可以给出均值出流过程，而且同时可以给出其方差过程。
The concentration and the mean particle size of smoke are of primary importance in early fire detection.
烟雾浓度和平均粒径是烟雾的两个重要特性参数，是早期火灾探测的基础。
So monitoring serum concentration and predicting toxicity of 5-FU mean clinical sense.
因此，5-FU血药浓度监测和毒副反应严重程度的预测具有重要的临床意义。
Perseverance does not always mean sticking to the same thing forever. It means giving full concentration and effort to whatever you are doing, right now!
毅力并不意味着永远坚持做同一件事。它意味着无论你做任何事情，都要立刻全新投入，竭尽全力。
Perseverance does not always mean sticking to the same thing forever. It means giving full concentration and effort to whatever you are doing, right now!
毅力并不意味着永远坚持做同一件事。它意味着无论你做任何事情，都要立刻全新投入，竭尽全力。
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