concentrations相关论文
Concentrations and wet deposition fluxes of various mercury species in Jinyun Mountain, Chongqing, C
Concentrations and wet deposition fluxes of various mercury species in the atmosphere were estimated from April 2013 to ......
DAILY INTAKE AND CONCENTRATIONS OF 15 KINDS OF RARE EARTH ELEMENTS IN FOODS FOR ADULT MEN IN FOUR AR
Objective: To obtain 15 rare earth elemental concentrations and daily intakes in foods for adult men in four areas in Ch......
To elucidate the response of oxidative metabolism,triggered by elevated ammonium(NH4+)concentrations,on root growth of w......
BACKGROUND Vitamin D population status may have possible unappreciated consequences to the coronavirus disease 2019(COVI......
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CALCULATINGMODELSOFMASSACTIONCONCENTRATIONSOFBINARYMETALLICMELTSINVOLVINGSOLIDSOLUTIONS ¥ Zhang; Jian (Departmento......
Effect of sodium tartrate concentrations on morphology and characteristics of anodic oxide film on t
The effect of sodium tartrate concentrations on morphology and characteristics of anodic oxide film on titanium alloy wa......
目的 观察CYP3A4* 1G基因多态性与中国汉族癫(癎)患者卡马西平稳态药物浓度的相关性.方法 检测177例中国汉族癫(癎)患者卡马西平单......
不同浓度的抑芽剂对山药保鲜效果的试验表明：粉剂1.0g/kg有效地抑制了山药发芽和呼吸作用,延缓了失重率和丙二醛含量的增加,抑制了P......
目的观察不同低浓度罗哌卡因用于臂丛阻滞下行手、腕部肌腱断裂吻合术时选用多大浓度可达到最佳的感觉与运动阻滞相分离的麻醉效果......
目的探讨临床上常用的两种浓度的罗哌卡因对肺叶切除术中竖脊肌神经阻滞效果的影响。方法选择择期行胸腔镜肺叶切除术的患者60例,......
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Analysis of PM2.5 concentrations in Heilongjiang Province associated with forest cover and other fac
Atmospheric particulate matter(PM2.5)seriously influences air quality.It is considered one of the main environmental tri......
It is questioned whether states,cities,and non-governmental organizations(NGOs)can solve the climate problem when reject......
本文通过对健康老人唾液进行检测分析,并与青年献血员及肺心病、糖尿病两种老年病进行比较提示:老年人唾液有机、无机成分的浓度与......
目的:研究盐酸托烷司琼胶囊的人体药代动力学.方法:采用高效液相色谱(HPLC)-二极管阵列紫外法测定18名健康志愿者口服剂量10 mg盐......
本文导出了由电位滴定数据求算弱酸电离常数与混合酸组分浓度的通用算式,按Rosenbrock算法设计程序并处理了某些实验数据,得到良好......
During 1997 summer, fresh snow samples were collected from the high elevation region (5400－ 7000 m) of Dasuopu Galcier on......
AIM: To assess the value of plasma melatonin in pre-dicting acute pancreatitis when combined with the acute physiology a......
对鼎湖山大气降水、季风常绿阔叶林林冠穿透水、土壤水 ( 30 cm和 80 cm深 )以及溪水中某些沉积元素进行了系统连续的观测研究 ,从......
研究了不同激素种类与含量及复配处理对F1代草花苗开花及植株高度的影响。结果表明：较低含量的激素（IBA50、100μg·g^-1、NAA50......
目的：比较研究不同纯度和浓度的橙皮苷在大鼠体肠吸收情况，初步探讨橙皮苷的吸收机理。方法：运用大鼠在体肠灌流模型，收集灌流流出液，并......
利用中流量大气采样器采集了校园7个有代表性的室内空气样品,利用GC-ECD和GC/MS测定多溴联苯醚（polybrominated diphenyl ethers,PB......
本文介绍了一个悬浮于液体中的微量物质浓度的监测方法，与通用的化学分析方法相比，可以大大地降低被监测浓度的下限，缩短分析时间，实现......
研究了椒江口海水、沉积物和生物体中7种重金属的浓度水平,评价了各种重金属在沉积物和生物体内的富集情况。结果表明,表层海水中......
目的 建立氧化应激损伤模型,研究过氧化氢（H202）对内皮细胞增殖活性的影响,为深入探讨氧化应激致血管内皮细胞损伤机制奠定基础.方法......
利用三峡库区长江干流1998年-2010年水质监测数据，以1998年-2003年代表蓄水前，2004年-2010年代表蓄水后，对比分析蓄水前后主要污染物......
通过分析2000年-2015年的三峡库区长江、嘉陵江、乌江干流总磷浓度数据,掌握三峡库区总磷总体水平,长江干流总磷浓度为0.135±......
本方法借鉴国内外经验,采用美国环保局工业环境实验室提出的化合物的潜在危害指数来指示物质对环境的毒性,结合某流域丰、平、枯三......
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Effects of Sea Level Variation on Biological and Chemical Concentrations in a Coastal Upwelling Ecos
Oscillations in sea level due to meteorological forces related to wind and pressure affect the regular tides and modify ......
Specific bacterial communities interact with phytoplankton in laboratory algal cultures. These communities influence phy......
Elastic Wave Scattering and Dynamic Stress Concentrations around Double Holes in Piezoelectric Media
In this paper, on the basis of Liu’s complex function and conformal mapping methods, supplemented by local coordinate s......
对天山乌鲁木齐河源1号冰川（以下简称1号冰川）积累区海拔4130m处12个月、每周1次的气溶胶和表层雪样品进行了分析．结果表明，1号冰川气......
为探究浓度对纳米制冷剂流动沸腾压降及其波动的影响,使用Al2O3纳米颗粒,采用Span-80作为分散剂,并通过超声波振荡技术分别制备出......
Practical Application of the Results for Optically Measured Total Suspended Solids Concentrations in
The investigations described in this paper were performed in order to determine whether the concentrations of total susp......
Assessment of Radiological Contamination of Soils Due to Shipbreaking Using HPGe Digital Gamma-Ray S
A systematic study of the distribution of the Naturally Occurring Radioactive Materials as well as the anthropogenic rad......
Multivariate Analysis of Extreme Physical, Biological and Chemical Patterns in the Dynamics of Aquat
This study is a part of the research in monitoring systems of environmental impacts in coastal re-gions in order to deve......
Particulate Matter Exposure of Rural Interior Communities as Observed by the First Tribal Air Qualit
A tribal-owned network of aerosol monitors and meteorological stations was installed at Ts’aahudaaneekk’onh Denh (Beav......
Antiretroviral therapy in HIV patients is known for its negative effect on the cardiovascular system. One of the major a......
This article addresses total fish Hg concentrations (THg) by variations in lake Sediment THg, atmospheric Hg deposition ......
Transport of Phenol in BS-12 Modified Lou Soil in the Column Experiment: Effect of Concentrations, p
Lou soil was modified by amphoteric surfactant in column experiment which was conducted. This study attempts to explore ......
The impacts of low and high-frequency variability from teleconnections between large scale atmospheric processes and loc......
Major elements and lithostratigraphic study of the contact rocks of the Togo and the Dahomeyan forma
The thrust contact between the Togo and the Dahomeyan formations in Ghana is a lithotectonic boundary that exists betwee......
目的：比较前列腺电切术中不同浓度与不同比重布比卡因的腰麻疗效。方法：选择行前列腺电切术的患者120例,随机分为A,B,C,D 4组,每组30......
Researchers have realized that radon-contaminated air inside buildings is a principal way of human exposure to certain h......
利用红外光谱（FTIR）技术研究了离子液体[HOEtMIm][BF_4]和[BMIm][BF_4]的不同浓度对煤中官能团的影响。研究结果表明,利用3种不同浓......
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The reconstruction of sea surface temperature(SST) is a key issue in research on paleoceanography. The recently related ......
In this study,nineteen brine samples from the Qarhan Salt Lake(QSL)inwestern China were collected and analyzed for boron......
Sensitivity analysis of sediment flux derived by laser diffraction and acoustic backscatter within a
A combination of two indirect methods to measure sediment flux is presented in this study to evaluate suspended sediment......
