Personality traits are a stable and extremely important component in a person’s life.Many scholars believe that these five categories are the most basic dimensions of personality traits.We ask 80 respondents all college students by the NEO Personality Inventory,research the distribution of personality traits of Contemporary College Students.
作者:刘宇峰; 秦艳 期刊:《武术研究》 2019年第04期
目的:为探究人体躯干旋转的规律,解释形意拳顺步崩拳与拗步崩拳的发力动作过程。方法:采用Vicon三维运动捕捉系统和AMTI三维测力台,对山西省形意拳协会8名拳龄30年以上的习练者进行测试。结果:崩拳发力阶段躯干肩髋角顺步变化范围为6.81±3.79度,拗步为22.69±14.14度。顺步髋的旋转角度变化量为20.52±26.28度,拗步旋转的变化量为14.09±13.37度。结论:顺步崩拳以肩与髋同时旋转为主、拗步崩拳以肩的旋转为主。同时旋转产生的拳速较肩...
作者:HAN; Wenbing; WANG; Nengfei; MA; Yue; LV; Jinjiang; WANG; Shuang; ZHANG; Botao; JIANG; Zhihui; CAO; Huansheng 期刊:《中国海洋大学学报·自然科学版》 2019年第06期
This study assessed the effects of changes in organic carbon content on soil bacterial community composition and diversity in the Antarctic Fildes Peninsula.16 S rRNA gene sequencing was performed to investigate bacterial community composition.Firstly,we found that organic carbon(OrC)and nutrients showed an increasing trend in the lake area.Secondly,soil geochemistry changes affected microbial c...
作者:GUO; Yan-fei; XIAO; Zhi-yong; ZHOU; Wen-xia; ZHANG; Yong-xiang 期刊:《中国药理学与毒理学》 2019年第06期
OBJECTIVE Tumor necrosis factor-α(TNF-α) plays a vital role in cognitive dysfunction caused by stress.In our previous study, Liuwei Dihuang-active fraction combination(LW-AFC) could attenuate the effects of mental stress and non-psychotic stress in mice. The aim of this study is to investigate the effects of LW-AFC on cognitive dysfunction caused by TNF-α in mice. METHODS 40 male BALB/c mice wer...
作者:YU; Yun; ZHOU; Jing; LU; Hua-qiu; QI; Jia-jia; WANG; Ying; SONG; Yi-ning; LIU; Hao; WEI; Fang 期刊:《中国药理学与毒理学》 2019年第09期
OBJECTIVE To investigate berberine(BBR)attenuates arthritis in adjuvant-induced arthritic(AA)rats associated with regulating the energy metabolism and correcting the polarization of macrophages through activation of AMP-activated protein kinase(AMPK)and inhibition of hypoxia inducible factor 1α(HIF-1α).METHODS AA rats were treated with BBR(40,80,or 160 mg·kg-1)from days 15 to 29 after immunizati...
作者:Yang; Liu; Xianbin; Lei; Jiayun; Liu; Botao; Xiao 期刊:《医用生物力学》 2019年第A01期
Von Willebrand Factor(VWF)is a concatameric glycoprotein that plays a key role in rapid hemostasis and thrombosis.VWF has different functional domains that can bind to various molecules such as collagen,hemostatic factorⅧ,integrin,and platelet glycoprotein lbα(GPlbα)to achieve multiple biological functions.During hemostasis,the A1 domain of VWF binds to GPIbαwhere platelets accumulate in the in...
作者:徐含烟 期刊:《中国医学文摘·耳鼻咽喉科学》 2019年第02期
Objective To determine whether relative abundance of epidermal growth factor receptor (EGFR) mutations in plasma predicts clinical response to epidermal growth factor receptor-tyrosine kinase inhibitors (EGFR-TKIs) in patients with advanced lung adenocarcinoma. Methods In this prospective study,adult patients with advanced lung adenocarcinoma were enrolled in our hospital from 1 April 2016 to 1 ...
作者:谢超 期刊:《中国医学文摘·耳鼻咽喉科学》 2019年第02期
Objective To investigate the relationship between serum uric acid level and renal function decline by retrospective cohort study. Methods Through the physical examination system of the First People’s Hospital of Foshan,the physical examination data from 2015 to 2018 of a public institution in Foshan city were obtained.
作者:岑瑞祥; 赵凯; 万浪; 彭聪; 曹炜; 刘原宙; 龚国清 期刊:《中国耳鼻咽喉头颈外科》 2019年第11期
作者:邓晓龙; 朱红霞; 王敏哲 期刊:《锦州医科大学学报》 2014年第03期
目的探讨了二甲双胍对DM2T2DM患者血浆ET-1和血清HS-CRP、 TNF2水平的影响。方法应用放射免疫分析法和免疫比浊法对33例T2DM患者进行了血浆ET-1和血清HS-CRP、 TNF2水平检测,并与35名正常健康人做比较。结果 T2DM患者在治疗前血浆ET-1和血清HS-CRP.TNF2水平均非常显著地高于正常人组(P〈0.01)经二甲双胍治疗了3个月后,血浆ET-1和血清HS-CRP、 TNF2水平与正常人比较无显著性差异( P〉0.05)且ET-1水平与HS-CRP、TNF2水平成正相...
作者:龙兵; 张忠占 期刊:《数学季刊》 2019年第01期
In this paper, a statistical analysis method is proposed to research life characteristics of products based on the partially accelerated life test. We discuss the statistical analysis for constant-stress partially accelerated life tests with Lomax distribution based on interval censored samples. The EM algorithm is used to obtain the maximum likelihood estimations(MLEs) and interval estimations ...
作者:柯昭; 钱猛 期刊:《冶金与材料》 2019年第02期
通过综合超声监测分析和振动分析的方法,跟踪分析本单位一次风机电机变频改造后电机轴承故障发展演变过程及各故障阶段的表象及图谱特征,科学评估设备的健康状况及时给出设备的诊断意见,避免设备事故性抢修,并在故障设备解体检修中查证故障发生的根本原因及提出解决设备缺陷的有效方案。
白血病是一类异质性的造血干细胞的恶性克隆性疾病,白血病细胞存在增殖失控、分化障碍及凋亡受阻的生物学特点。白血病的发生和病情进展与凋亡受阻密切相关。凋亡抑制蛋白(inhibitor of apoptosis proteins,IAP)家族是继Bcl-2家族发现的第2个在凋亡中主要起抑制凋亡作用的家族,目前共发现XIAP、Survivin和c—IAP1等8个成员。XAF1(XIAP—associated factor 1,XAF1)是新近发现的一个核蛋白,具有促凋亡作用。我们利用RT—PCR...
作者:成英; 何兴金 期刊:《时珍国医国药》 2011年第05期
目的研究续随子种子中两种大环二萜类物质的提取工艺。方法通过单因素分析和正交实验对续随子中两种大环二萜类化合物的提取工艺进行了优化。结果当甲醇浓度为100%,料液比为1:20,提取时间为50min,提取温度为40℃时,可达到最高百分含量1.18%和0.535%。结论利用该实验方法提取续随子中的Euphorbia factor L1和Euphorbia factor L2,工艺良好,稳定,方法可行。
作者:刘晓丽; 阎芳; 王琳; 刘兆霞; 韩慧蓉; 张广学; 石剑飞; 曲梅花 期刊:《时珍国医国药》 2012年第06期
目的探讨CRF、UCN1、CRFR1在IBS大鼠结肠中的表达变化及其在肠易激综合征发病机制中的作用。方法选用健康雄性成年Wistar大鼠,分为对照组、急性应激组(急性束缚1h)、慢性应激组(21d不可预知轻度应激)、慢急性联合应激组(在慢性应激的基础上给予急性束缚应激)。观测不同应激状态下大鼠的体重变化、排便颗粒、糖水消耗、敞箱实验的表现,对模型进行再评价。采用RT-PCR方法检测各组大鼠结肠中CRF、UCN1、CRFR1的表达水平的变化。...
作者:朱颖; 吴敏; 吴超英; 夏革清 期刊:《中国妇幼保健》 2015年第27期
目的研究孕激素在子痫前期(preeclampsia,PE)孕妇Toll样受体4(toll-like receptor4,TLR4)-髓样细胞分化蛋白88(myeloid differentiation factor 88,My D88)依赖的信号通路中的作用。方法原代培养子痫前期孕妇外周血单个核细胞(peripheral blood mononuclear cell,PBMC),以不同浓度孕激素(0 mol/L、10^-8mol/L、10^-6mol/L、10^-4mol/L)处理,实时定量聚合酶联反应(Real-time polymerase Chain reaction,real-time PCR)...
作者:孙倩; 曾诚; 段薇娜; 孟庆涛; 夏中元 期刊:《中国医药导报》 2017年第20期
目的探讨血管紧张素-(1-7)/血管紧张素-Ⅱ[Ang-(1-7)/Ang-Ⅱ]调节NF-E2-related factor-2(Nrf2)/血红素氧合酶1(HO-1)通路在糖尿病肾脏缺血再灌注损伤中的作用及机制。方法 60只成年雄性SD大鼠随机分为正常假手术组(Sham组)、正常缺血再灌注组(IR组)、糖尿病假手术组(DS组)、糖尿病缺血再灌注组(DIR组),每组各15只。检测血尿素氮(BUN)、肌酐(Cr)和中性粒细胞明胶酶相关载脂蛋白(NGAL),观察肾脏病理学改变,检...
作者:张素花; 孙经武 期刊:《临床医药文献》 2018年第07期
目的阻塞性睡眠呼吸暂停低通气综合征(OSAHS)是夜间睡眠过程中反复发生的完全或部分性上气道梗阻,导致发作性呼吸暂停和低通气,引起机体间歇性缺氧,可通过直接和间接的途径导致动脉粥样硬化(atherosclerosis),与心脑血管病密切相关。OSAHS可引起炎症因子水平升高、氧化应激反应、交感神经兴奋、血管内皮功能损伤,其都在动脉粥样硬化中起重要的作用。其他动脉粥样硬化的危险因素如高血压和糖尿病也与OSAHS有关。动物试验和最近的临...
作者:Ying; XING; Yongxian; LIU; Panxia; LIANG; Qing; LIAO; Liping; PAN; Taiqing; HUANG; Zepu; JIANG 期刊:《生物技术》 2019年第01期
In recent years,production and processing of natural selenium-rich agricultural products has become a research hotspot.The main factor affecting the selenium content in plant is the content of effective selenium in soil.So it is important to understand the form and conversion relationship of selenium in soil and find ways to improve selenium effectiveness.By summarizing the researches on seleniu...
作者:Jiqiang; ZHANG 期刊:《生物技术》 2019年第05期
This study used a bioelectrochemical system (BES) to produce H2O2.Seven cycles after the addition of microorganisms,the BES started successfully and entered a stable operation period.During stable operation,the voltage was 581 mV,the COD removal efficiency at the anode was 85.39%,and the H 2O 2 mass concentration at the cathode was 0.5%.After the addition of 10% of graphite particles in the reac...