retention相关论文
Unraveling the surface chemistry processes in lithiated and boronized plasma material interfaces und
The review of recent theoretical and experimental research on the complex surface chemistry processes that evolve from l......
[Objective] To establish a determination method for GC fingerprints of volatile oil in ASARI RADIX ET RHIZOMA from diffe......
采用采用气相色谱-质谱联用技术对蒜香藤不同部位叶、茎与果的挥发性成份进行分析。结果发现,叶、茎、果中可定性定量的化合物分别......
The chromatographic behavior of 30 inorganic cations has been studied on thin layers of titanium phosphate ion-exchanger......
LiFe_(1–x)CexPO_4/C cathode materials were synthesized by solid-state reaction method. The effects of various Ce-doping......
基于电化学检测法具有无需衍生、高灵敏度、高选择性以及成本低的特点,高效液相色谱-电化学检测法(HPLC-ED)已经成为药物分析的重......
The field trial of Moso bamboo treated with 9 copper preservatives was conducted in Guangzhou, China. The result showed ......
The chromatographic behaviors of several uronic acid-containing polysaccharides and neutral polysaccharides were investi......
目的探讨慢性牙周炎对种植修复后种植体存留率及各项临床指标的影响。方法选择行种植义齿修复的慢性牙周炎牙列缺损患者50例(A组)......
金边市是柬埔寨的首都,大多数人都拥有体面的工作和良好的收入,这促使人们追求新的生活方式。由于电子产品使商人、员工和所有人的......
Atrazine is a widely used herbicide for controlling weeds on both agricultural and nonagricultural land,which is equally......
To study the mechanism of SO 2 and Hg removal from flue gas, an experimental packed bed reactor was designed to simulate......
Slag refining,as an important option for boron removal to produce solar grade silicon(SOG-Si) from metallurgical grade s......
Investigators seek ways to effectively raise the response rate of surveys. Incentives have a great influence on response......
Objective:The objective of the present study was to develop floating microspheres of Cefpodoxime Proxetil in order to ac......
Debris flow often causes enormous loss to life and property,especially on alluvial fans.Engineering structures such as r......
The soil moisture retention capability of Chao soil and coastal saline Chao soil in Shandong and Zhejiang provinces were......
The available soil water capacity (ASWC) is important for studying crop production, agro-ecological zoning, irrigation p......
High pyrolysis temperature biochar reduced the transport of petroleum degradation bacteria Corynebac
Biochar has been widely applied for the remediation of petroleum-contaminated soil.How-ever,the effect of biochar on the......
目的:研究盐酸阿莫罗芬乳膏体外经猪皮渗透贮留量的HPLC测定方法。方法:采用巴马小香猪离体猪皮和改良的Franz扩散池进行体外渗透......
目的:探讨根管内壁预备倒凹对玻璃纤维桩固位力的影响。方法:选取下颌单根管前磨牙40颗,行完善的根管治疗,利用纤维桩配套的红色钻针(尖......
Objectives: This study aimed to identify School and University support services available and accessed by nursing studen......
Biocompatible designed micromotor has attracted more and more concs in the field of biomedicine due to their self-propul......
Conservation agriculture has been practised for three decades and has been spread widely. There are many nomenclatures s......
1 前言rn我国大部分地区位于北温带和亚热带,每年9、10月份至次年3、4月份天气寒冷而干燥.在寒冷季节中,当外界气温在-15℃或更低......
Experimental and theoretical study of coupled influence of flow velocity increment and particle size
Experimental and theoretical studies were carried out to investigate the coupled influence of flow velocity increment an......
随着世界各地交通运输的发展,环境污染问题也随之产生。采用现场检测结合实验室试验,研究公路路堤中金属的浸出问题。通过收集旧路......
Analysis of The Retention and Deletion of Cultural Connotation in Two Translation Versions of A Drea
As we all know,A Dream in Red Mashions which is written mainly by Caoxueqing,could be a remarkable one after thousands o......
目的:了解长期住院精神病患者滞留的影响因素,为患者顺利回归社会提供依据。方法对80例长期住院精神病患者的临床资料进行回顾性分析......
目的:观察在切牙切角缺损处牙本质粘固玻璃纤维桩,以增强树脂修复抗力及固位的临床疗效。方法:56例因龋或牙折导致切角缺损但未波......
目的:观察自拟中药方保留灌肠治疗慢性盆腔炎的效果。方法将60例慢性盆腔炎患者随机分为治疗组30例、对照组30例。对照组口服中成药......
Trapped Electron and Hole Distribution Mismatch Induced Reliability Degradation of SONOS Type Memory
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Relationships between perceived social support and retention patients receiving methadone maintenanc
Objective: The purpose of this study was to explore the relationships between perceived social support and retention in ......
Application of Short Sequential Extraction Procedure(SSEP) for the Determination of Zn, Cu, and Cd C
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
The Neglected State of Organizational-Level Turnover Studies in the Chinese Context: A Call for Rese
In this essay,the authors discuss the neglected state of organizational-level tover research in the Chinese context.They......
改进了BP神经网络的学习速率算法,并运用改进后的BP网络,通过分子结构参数,同时对烷基吡啶在非极性固定液SE-30和极性固定液PEG-1500......
Trapped Electron and Hole Distribution Mismatch Induced Reliability Degradation of SONOS Type Memory
The reliability of silicon-oxide-nitride-oxide-silicon (SONOS) type memories was analyzed using the charge pumping metho......
[目的]观察自拟消溃肠炎散治疗溃疡性结肠炎(UC)的疗效.[方法]将80例UC患者随机分为2组,对照组采用口服柳氮磺胺吡啶片4 g/d与甲硝......
Effect of Ionic Liquid on Retention of Solutes on C18 Column Based on Linear Solvation Energy Relati
helpful tool to evaluate the retention characteristics of ionic liquid systems and to understand the interactions of sol......
The aim of this study was to evaluate whether unburned carbon particles present in fly ash can help in the retention of ......
目的:观察Targis瓷聚体根帽结合磁性附着体用于牙列缺损患者的修复疗效。方法:49名患者制作58件磁性附着体,对义齿的固位、牙龈健......
Capsule endoscopy retention as a helpful tool in the management of a young patient with suspected sm
Capsule endoscopy is an easy and painless procedure permitting visualization of the entire small-bowel during its normal......
Spatial and temporal variability of agricultural pollutants in an agricultural headwater stream with
The spatial and temporal variability of nutrients and suspended solids were investigated for two years in a 1.8 km agric......
这篇论文调查对待的苍蝇灰到合成沸石撕了的行为调停土壤与重金属和非金属弄脏(作为, Pb, Cu, Zn, Fe, Cd 和 Mn ) 。如此的“沸石”的 ......
Application of Short Sequential Extraction Procedure(SSEP) for the Determination of Zn, Cu, and Cd C
A short sequential extraction procedure(SSEP) was applied to the determination of more readily available metal fractions......
Central venous catheterization was a common technology in clinical anesthesia and rescue.Guide wire fracture and re......
针对垃圾填埋场释放出的恶臭类气体如硫化氢、氨气等,拟通过制备高分子喷涂薄膜,实现对该类气体的有效截留。研究选取了高分子聚电......
臭氧冰具有保鲜、抗菌功能,并有极长的半衰期,可以保存和运输,但通常情况下制备的臭氧冰中臭氧含量较低,严重影响其应用。利用自制......