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尼龙作为一种高分子材料，具有易燃的缺点，需要对其进行阻燃改性才能拓宽其应用领域。本文综述了尼龙阻燃改性的研究现状、途径和最新......
功率放大器（power amplifier,PA）在无线通讯系统中占有重要位置。在PA的理论方面,开关类PA存在以下不足:（1）E类PA设计过程忽略对输出波......
目的 探讨茯苓酸（Pachymic acid, PA）对小鼠急性放射性肺损伤的防护作用机制。方法 将雄性C57BL/6J小鼠随机分为正常对照组、单纯照......
Caspase-11 promotes NLRP3 inflammasome activation via the cleavage of pannexinl in acute kidney dise
Ischemia/reperfusion(I/R)injury is a major cause of acute kidney injury(AKI)in clinic.The activation of NLRP3 inflammaso......
目的:比较分析早期肺癌筛选中传统DR胸片与低剂量16排螺旋CT扫描并靶扫的临床价值。方法:回顾性选取2020年2月-2021年2月本院早期......
目的 探讨老年慢性阻塞性肺疾病急性加重期(AECOPD)患者呼出气一氧化氮(FeNO)浓度、血清前蛋白(PA)和超氧化物歧化酶(SOD)水平变化......
Simultaneous determination of 35 constituents and elucidation of effective constituents in a multi-h
Xiaoer-Feire-Kechuan (XFK) is an 11-herb Chinese medicine formula to treat cough and pulmonary inflammation.The complica......
Isotope implications of groundwater recharge, residence time and hydrogeochemical evolution of the L
Groundwater plays a dominant role in the eco-environmental protection of arid and semi-arid regions. Understanding the s......
目的 探讨通过黏膜缝合法与鼻腔填塞疗法对鼻中隔偏曲患者进行治疗效果。方法 选取2019年3月至2021年3月大连市中心医院收治的172......
In situ Raman spectroscopic quantification of CH4-CO2 mixture: application to fluid inclusions hoste
We re-evaluate the Raman spectroscopic quantification of the molar ratio and pressure for CH4-CO2 mixtures.Firstly,the R......
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目的 探讨血清白介素16(IL-16)、前白蛋白(PA)在慢性阻塞性肺疾病(COPD)患者中水平变化和临床价值。方法 选取COPD患者90例(急性加......
Despite the recent significant progresses on preparing alkynyl protected Au clusters with molecular purity(e.g.Na[Au25(C......
目的 研究将心理护理应用在围绝经期妇女取环术当中所发挥的作用。方法 抽查我院接受取环术的85例围绝经期妇女的临床资料，时间为20......
目的 分析广基结肠息肉疾病特点、结肠镜治疗期间患者身心状况，评价个性化护理干预对患者术后疗效的积极影响。方法 选择我院2020年......
Choosing proper perfusates as contrast agents is an important aspect for postmortem magnetic resonance angiography(PMMRA......
目的 分析中性粒细胞CD64(CD64)、血清淀粉样蛋白A(SAA)及血清前白蛋白(PA)检测在小儿呼吸道感染鉴别诊断中的应用价值.方法 选取2......
目的提高对肺上皮样血管内皮瘤（P-EHE）的诊疗水平。方法收集2009年1月至2020年7月就诊福建省福州肺科医院确诊为P-EHE的16例患者，其中......
探究血常规联合全血CRP、IL-6、PA在患者细菌感染诊断中的应用价值.研究证明,细菌感染患者的血清WBC、CRP和IL-6水平升高,PA水平降......
Intraosseous Radiofrequency Ablation of the Basivertebral Nerve in Chronic Low Back Pain: A Meta-Ana
<strong>Purpose:</strong> To review the literature on the value of basivertebral nerve abla-tion in the treatment of chr......
The Shanghai Cooperation Organization(SCO)has withstood storms to create a cooperative platform in Central Asia that con......
Folk songs and dances originated from people\s sacrificial activities in the struggle against nature in the primitive s......
The spread of the new coronavirus(COVID-19)infection in 2020 has had a significant impact on the treatment of cancer wor......
As an important part of product design and manufacturing, assembly sequence planning (ASP) has a considerable impact on ......
Solid pseudopapillary neoplasms are rare.This article reviews the clinical and pathologic features of solid pseudopapill......
Pancreatic diseases such as pancreatitis, type 1 diabetes and pancreatic cancer impose substantial health-care costs and......
CCL2/CCR2 Contributes to the Altered Excitatory-inhibitory Synaptic Balance in the Nucleus Accumbens
The medium spiny neurons(MSNs)in the nucleus accumbens(NAc)integrate excitatory and inhibitory synaptic inputs and gate ......
Purpose:The study was to examine county-level associations of physical activity with coronavirus disease 2019(COVID-19)c......
We determined the effects of exogenous nitric oxide(NO)donors and various inhibitors on photosynthesis and gene expr......
本文首先介绍了使用防晒化妆品的重要性，对目前市场上防晒产品类型及特点进行了分析。着重讨论了实际使用中影响防晒效率的因素，并对......
The Variability of Partial Pressure of Carbon Dioxide (pCO2) in a River-Influenced Coastal Upwelling
The Northeast Pacific coastal ocean, as a typical river-influenced coastal upwelling system, is characterized by signifi......
Helicobacter pylori(H.pylori)is a flagellated,spiralshaped,microaerophilic Gram-negative bacillus that colonises the gas......
本文对青岛地区257株铜绿色假单胞茵(PA),做了血清分型及药敏试验,结果:①257株PA共分出17个血清型,其中6型占22.96%,提示青岛地区......
目的帕金森病(Parkinson’s disease,PD)作为常见的老年疾病类型,临床中主要使用多巴丝肼片等药物进行治疗,本研究分析多巴丝肼片......
对南江黄羊流行性鼻内腺癌病例进行了临床症状与病理形态学观察,结果发现南江黄羊流行性鼻内腺癌临床上以流鼻涕、喷嚏、呼吸困难......
20世纪初发现的梅毒非特异性抗体可与多种磷脂成分反应.人体内的磷脂主要是含甘油醇的甘油磷脂[1].应用ELISA法对82名正常人、76例......
目的:探讨补肾法对去卵巢大鼠惊恐反应及海马雌激素受体β (estrogen receptor β,ERβ)表达的影响.方法:48只雌性SD大鼠随机分为6......
Three different kinds of viruses, the spherical virus SCSV with a diameter of about 280 nm,the rhabdovirus SCRV with a s......
Effects of coagulation on submerged ultrafiltration membrane fouling caused by particles and natural
自然有机物(名化名) 和来源水里的粒子为 ultrafiltration (UF ) 的多数负责对那犯规的膜发生在喝水处理期间。这研究被进行到(1 )......
产品内国际分工的出现，将国与国之间基于比较优势地分工从“完整”的产品，贯彻到产品内部的工序和流程，从而极大地改变了全球经济运行......
科研人员拥有大量的小样本试验资料,只要其具备近似正态分布的特性,采用Pullai,k,c.s.Buenaventra表。A.R;lord,E;Dixon,W.J.提出......
针对传统激光三角法在测量孔、台阶等表面丌连续处易导致精度下降或无法测量。这一问题,本文提出了离散式旋转对称三角法。首先,基......
大连医科大学第一临床学院泌尿外科宋希双教授等 ,运用绿脓杆菌菌苗 (ＰＡ菌苗 )膀胱灌注 ,预防膀胱癌术后复发 ,使复发率降为８．１%。他们......
