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1一个长江中下游夏季降水的物理统计预测模型显示文摘提出了一个长江中下游夏季(6~8月)降水的短期气候预测方法,通过预测夏季降水的年际增幅,进而再预测降水.年际增幅(DY)定义为当年的变量值减去前一年的变量值.YR定义为长江中下游夏季平均季降水率.通过分析与YR年际增幅有关的冬、春季节大气环流,确定6个关键的预测因子,建立物理统计的预测模型,预测因子是南极涛动,印尼-澳洲附近的850和200hPa经向风垂直切变等.这个预测模型对YR在1997~2006年后报中显示了很高的预测技巧,预测的平均均方根误差是18%.预测模型能够再现YR在1984~1998年的上升趋势和1998~2006年的下降趋势.考虑到目前中国夏季降水的平均预测水平是60%~70%,而长江中下游地区夏季降水的预测水平不高,因此,通过预测长江中下游夏季降水的年际增幅(然后再预测夏季降水)的方法,能够显著地提高长江中下游夏季降水的业务预测技巧,并具有潜在的应用意义.范可 王会军 Choi Young-Jean 2007科学通报2007,52,24:73
2根据重力数据研究黄海周边断裂带在海区的延伸显示文摘根据黄海及周边地区的布格重力资料 ,通过解析延拓、目标场提取、任意水平方向导数计算、离散小波变换等处理 ,得到各种有关断裂的信息 .经过与地质资料综合分析 ,选择1 2 3°E经线为典型剖面 ,以地震资料建立初始模型 ,对该剖面进行重力正反演迭代拟合 ,最终得到各模块的密度参数及分布 ,并在此基础上分析了研究区主要断裂的地质地球物理特征 ,给出了研究区的断裂带、块体结合带分布图 .重点对朝鲜半岛西缘断裂带和五莲—青岛—荣城断裂带进行了讨论 ,提出五莲—青岛—荣城断裂带并未进入朝鲜半岛与临津江断裂带相连 .认为朝鲜半岛西缘断裂带西侧属于扬子块体的部分曾受北向应力作用向北发生了平移 .由五莲—青岛—荣城断裂带和南黄海北部断裂带。郝天珧 SUH Mancheol 王谦身 CHOI Suckwon 江为为 宋海斌 阎晓蔚 刘建华 姚长利 2002地球物理学报2002,45,3:77
3Diagnostic value of AFP-L3 and PIVKA-Ⅱin hepatocellular carcinoma according to total-AFP显示文摘AIM:To evaluate diagnostic value ofα-fetoprotein (AFP)-L3 and prothrombin induced by vitamin K absence-Ⅱ(PIVKA-Ⅱ)in hepatocellular carcinoma(HCC). METHODS:One hundred and sixty-eight patients during routine HCC surveillance were included in this study.Of the 168 patients,90(53.6%)had HCC including newly developed HCC(n=82)or recurrent HCC after treatment(n=8).Sera were obtained during their first evaluation for HCC development and at the time of HCC diagnosis before commencing HCC treatment.HCC was diagnosed by histological examination,appropriate imaging characteristics-computed tomography or magnetic resonance imaging.Control sera were collected from 78 patients with benign liver disease(BLD),which were obtained during routine surveillance with a suspicion of HCC.AFP,AFP-L3 and PIVKA-Ⅱwere measured in the same serum by microchip capillary electrophoresis and liquid-phase binding assay on a micro-total analysis system Wako i30 auto analyzer.The performance characteristics of three tests and combined tests for the diagnosis of HCC were obtained using receiver operating characteristic curves in all populations and subgroups with AFP<20 ng/mL. RESULTS:Of 90 HCC patients,38(42.2%)patients had AFP<20 ng/mL,20(22.2%)patients had AFP 20-200 ng/mL and 32(35.6%)patients had AFP>200 ng/mL.Of the 78 BLD patients,74(94.9%)patients had AFP<20 ng/mL.After adjustment for age and HBV infection status,AFP-L3 levels were higher in HCC than in BLD among patients with low AFP levels(<20 ng/mL)(P<0.001).In a total of 168 patients,areas under the curve(AUC)for HCC were 0.879,0.887,0.801 and 0.939 for AFP,AFP-L3,PIVKA-Ⅱand the combined markers,respectively.The combined AUC for three markers showed higher value than the AUCs of individual marker(P<0.05).AFP-L3 had higher AUC value than PIVKA-Ⅱfor HCC detection in entire patients(P =0.043).With combination of AFP-L3(cut-off>5%) and PIVKA-Ⅱ(cut-off>40 AU/L),the sensitivity were 94.4%and specificity were 75.6%in all patients.In 112 patients with low AFP levels(<20 ng/mL),AUCs of AFP-L3,PIVKA-Ⅱand combine AFP-L3 and PIVKA-Ⅱtests were 0.824,0.774 and 0.939,respectively. AFP-L3 with a cut-off value of 5%showed sensitivity of 71.1%and specificity of 83.8%,and PIVKA-Ⅱwith a cut-off value of 40 AU/L had sensitivity of 57.9%and specificity of 95.9%in patients with low AFP levels. The combination of AFP-L3 and PIVKA-Ⅱincreased the sensitivity and specificity up to 92.1%and 79.7%, respectively,in low AFP group.Combined markers detected 81.8%of early stage HCC(Union for Inter-national Cancer Control stageⅠ),86.7%of small sized tumor(<2 cm)and 91.7%of single tumor of HCC in the low AFP group.In multivariate analysis,AFP-L3 was correlated with AFP and tumor size,and PIVKA-Ⅱwas correlated with laboratory tests including serum aspartate aminotransferase,total bilirubin,platelets and albumin levels.PIVKA-Ⅱhad no correlation with AFP,AFP-L3 or tumor characteristics. CONCLUSION:Combined determination of AFP-L3 and PIVKA-Ⅱcould improve the diagnostic value for HCC detection in patients with or without increased AFP levels.Jong Young Choi Seung Won Jung Hee Yeon Kim Myungshin Kim Yonggoo Kim Dong Goo Kim Eun-Jee Oh 2013World Journal of Gastroenterology2013,19,3:55
4A physically-based statistical forecast model for the middle-lower reaches of the Yangtze River Valley summer rainfall显示文摘A new approach to forecast the middle-lower reaches of the Yangtze River Valley summer rainfall in June―August(JJA) is proposed in this paper.The year-to-year increment of the middle-lower reaches of the Yangtze River Valley is forecasted and hence the summer precipitation could be predicted.In this paper,DY is defined as the difference of a variable between the current year and the preceding year(year-to-year increment).YR denotes the seasonal mean precipitation rate of the middle-lower reaches of the Yangtze River Valley summer rainfall.After analyzing the atmospheric circulation anomalies in winter and spring that were associated with the DY of YR,six key predictors for the DY of YR have been identified.Then the forecast model for the DY of YR is established by using the multi-linear regression method.The predictors for the DY of YR are Antarctic Oscillation,the meridional wind shear between 850hPa and 200hPa over the Indo-Australian region,and so on.The prediction model shows a high skill for the hindcast during 1997-2006,with the average relative root mean square error is at 18%.The model can even reproduce the upward and downward trends of YR during 1984―1998 and 1998―2006.Considering that the current operational forecast models of the summer precipitation over the China region have the average forecast scores at 60%―70% and that the prediction skill for the middle-lower reaches of Yangtze River Valley summer precipitation remains quite limited up to now,thus this new approach to predict the year-to-year increment of the summer precipitation over the Yangtze River Valley(and hence the summer precipitation itself) has the potential to significantly increase the operational forecast skill of the summer precipitation.FAN Ke WANG HuiJun CHOI Young-Jean 2008Chinese Science Bulletin2008,53,4:55
5基于经验模态分解和神经网络的微网混合储能容量优化配置显示文摘提出一种针对独立微网的超级电容/蓄电池混合储能系统(HESS)的容量优化方法。运用经验模态分解技术,将一段记录完全的非平稳风功率分解成为若干固有模态函数(IMF)。在各固有模态函数的瞬时频率—时间曲线的基础上,通过'分频频率'将原始风功率分解成高频与低频2部分,并分别采用HESS中的超级电容和蓄电池来平抑风功率的高频、低频波动分量。平抑后输入负荷侧的功率平滑度可通过平滑度指标量化。采用神经网络模型优化HESS的容量,通过成本和平滑度指标之间的折中实现HESS的容量优化配置。基于某风电场实测数据的仿真实验验证了所提方法的有效性。孙承晨 袁越 San Shing CHOI 李梦婷 张新松 曹阳 2015电力系统自动化2015,39,8:52
6黄海深部结构与中朝—扬子块体结合带在海区位置的地球物理研究显示文摘以黄海及其邻区为研究对象 ( 32~ 4 2°N ,1 2 0~ 1 30°E) ,以研究区的空间重力异常、布格重力异常和地震层析成像数据为基础 ,在研究区中分辨出方向各异的主要断裂带并给出它们的分布。对在朝鲜半岛存在的一条近SN向分布的断裂带进行了重点讨论。根据重力数据、莫霍深度分布特点和层析成像的结果 ,认为该断裂带的两侧应属于不同的构造地质单元 ;提出该断裂带与五莲—青岛断裂带和济州岛南缘断裂带一起组成了中朝与扬子块体在黄海海区的边界结合带的认识 ;并推测在三叠纪的晚期 ,沿郯庐断裂带和该断裂带曾分别发生过左旋和右旋走滑。受SN向挤压应力的作用 ,(下 )扬子块体被平移嵌入到中朝块体之中。因此 ,两个块体在海区的结合带为一个巨大的“Z”郝天珧 SUH Mancheol 刘建华 阎晓蔚 CHOI Suckwon 姚长利 刘少华 戴明刚 徐亚 2004地学前缘2004,11,3:50
7北京市部分男男性接触者STD/AIDS知识、态度、信念、行为调查显示文摘目的了解北京市男男性接触者(MSM)关于性传播疾病/艾滋病(STD/AIDS)的知识、态度、信念、行为情况,为在该人群中开展有针对性的干预工作提供依据。方法经过培训的访谈员对符合条件的MSM进行一对一的访谈,并留取唾液样本进行艾滋病病毒Ⅰ型抗体(抗-HIV-1)检测。结果共有481名MSM接受了调查。北京市MSM具有一定的STD/AIDS知识,64.1%的被调查者同时与女性有性接触。近6个月与女性发生阴道交和肛交时每次使用安全套率为27.6%和36.4%,与男性进行肛交或接受肛交时每次使用安全套率为40.1%和38.4%。21%的被调查者自诉患过STD,唾液检测抗-HIV-1阳性率为3.1%。结论北京市MSM人群中存在着STD/AIDS流行,并有向普通人群扩散的潜在危险。刘惠 刘英 肖雅 张琴 邵英 甄里 李京华 Kyung-Hee Choi 2005中国艾滋病性病2005,11,4:46
8黄海及其邻区深部结构特点与地质演化显示文摘根据黄海及其周边地区的布格重力资料 ,通过多种方法处理 ,得到有关断裂的信息并求取了研究区的地壳厚度分布 .经过与地震层析成像结果、地质资料的对比和综合分析 ,认为朝鲜半岛西缘断裂带和济州岛南缘断裂带均为深大断裂 ,断裂带的两侧速度结构存在较大差异 .推断朝鲜半岛和南黄海分别属于不同的地质单元 .根据对岩石层结构的综合分析 ,认为中朝与扬子块体在黄海海域的接触关系是扬子块体推覆于中朝块体之上 .从目前的地震层析成像、重力异常、地壳厚度分布等结果来看 ,还不足以判断扬子与华南块体结合带在黄海海域中的准确位置 .郝天珧 刘建华 Suh Mancheol Choi Suckwon 阎晓蔚 刘振峰 2003地球物理学报2003,46,6:43
9土壤中总石油烃污染(TPH)的微生物降解与修复研究进展显示文摘微生物降解和修复是处理土壤中总石油烃(TPH)污染最简单、有效的方法之一.论文阐述了土壤TPH污染的产生、危害以及物理、化学、生物等修复方法的各自特点,其中重点介绍了微生物修复方法,论述了土壤中TPH在微生物表面的吸附、转运,在微生物体内的降解以及相关降解酶及基因;详细介绍了电子受体、温度、pH、营养元素等外界因素对微生物修复TPH污染的影响,在此基础上对土壤TPH污染的微生物修复现状和发展趋势进行了讨论.马强 林爱军 马薇 CHOI Derek SHIM Hojae 朱永官 2008生态毒理学报2008,3,1:38
10Botanical characteristics, pharmacological effects and medicinal components of Korean Panax ginseng C A Meyer显示文摘迈耶主要是的人参属人参 C 过去常维持身体的动态平衡的朝鲜语,和朝鲜人参的药理学功效由现代科学识别了包括改进大脑功能,减轻疼痛的效果,对肿瘤的预防效果以及反肿瘤活动,提高的免疫系统功能,反糖尿病的效果,提高的肝功能,调整血压,反疲劳和反压力效果,改进更年期混乱和性功能,以及抗氧化并且反老化效果。这些药理学功效的进一步临床的研究将继续执行。朝鲜人参被发现有象人参皂甙, ployacety-lene,酸多糖,抗氧化的芳香的混合物,和像胰岛素的酸肽的如此的主要性质。在朝鲜人参(38 人参皂甙) 包含的人参皂甙类型的数字是实质地,多于人参皂甙的,类型在美国人参(19 人参皂甙) 包含了。而且,朝鲜人参被识别了比美国人参和 Sanchi 人参包含更多的主要 non-saponin 混合物,酚混合物,酸多糖和聚乙烯混合物。Kwang-tae CHOI 2008Acta Pharmacologica Sinica2008,29,9:36
11阴茎假体植入术治疗勃起功能障碍548例分析显示文摘目的 了解阴茎假体植入术的手术合并症和机械信赖性 ,分析植入各种假体治疗阴茎勃起功能障碍患者的远期效果。 方法 利用随访调查表对 5 48例假体植入术后患者进行随访调查。 结果 5 48例患者中 ,植入单件套可屈性假体 2 2 8例 (4 1.6 % ) ,单件套膨胀性假体 45例 (8.2 % ) ,三件套膨胀性假体 2 73例 (5 0 .2 % )。阴茎假体植入术后合并症发生率为 5 .1% (2 8/ 5 48) ,包括非机械性合并症 8例 (1.5 % ) ,机械性合并症 2 0例 (3 .6 % )。AMSMalleable 6 0 0可屈性假体和AMS70 0CXM三件套膨胀性假体的机械性合并症发生率分别为 1.3 % (3/ 2 2 8)和 5 .5 % (15 / 2 73) ,AMS70 0CXM三件套膨胀性假体的圆柱体泄漏 10例 ,占 3 .7% (10 / 2 73)。结论 AMS 70 0CXM三件套膨胀性假体的机械性能和隐蔽性有了显著提高 。辛钟成 郭应禄 Choi Hyung Ki 2000中华泌尿外科杂志2000,21,12:36
12Nat Genet:单细胞分析解开结直肠癌细胞的神秘面纱显示文摘结合单细胞基因组学和计算机技术,一个研究团队(包括来自杰克逊实验室(JAx)单细胞生物学主任Paul Robson博士在内)鉴定出了11种结直肠癌肿瘤的癌细胞组成及邻近的非癌细胞。这对于更好的肿瘤靶向诊断和治疗很重要。”使用单细胞测序。”JAX科学家、这篇发表在Nature Genetics上的文章共同第一作者Elise Courtois说道。”我们可以根据肿瘤中的细胞组成将结直肠癌进一步分类。因为每种亚型的肿瘤病人生存率存在差别,我们的方法将为肿瘤医生提供更多的关于肿瘤预后和治疗的信息。”Huipeng Li, Elise T Courtois, Debarka Sengupta, Yuliana Tan Shyam Prabhakar Elise T Courtois, Yuliana Tan Paul Robson Debarka Sengupta Kok Hao Chen, Jolene Jie Lin Goh Paul Jongjoon Choi Say Li Kong, Axel M Hillmer Iain Beehuat Tan Clarinda Chua Iain Beehuat Tan Lim Kiat Hon Wah Siew Tan Mark Wong Lawrence J K Wee Iain Beehuat Tan Paul Robson Paul Robson Paul Robson 2017现代生物医学进展2017,17,15:37
13黄河沉积物中REE制约与示踪意义再认识显示文摘根据黄河不同地区的20个沉积物全岩样、酸溶相和酸不溶相中的稀土元素(REE)组成分析,并与1999年的研究比较,揭示出黄河沉积物REE组成主要受流域黄土源岩控制,而粒度、化学风化和人类活动等因素影响较弱。磷酸盐和Fe-Mn氧化物是形成酸溶相中的中稀土富集主要因素;而重矿物则明显影响了全岩和酸不溶残渣态REE分异特征。在世界大河中黄河沉积物REE组成非常独特,直接反映了我国上陆壳和陆表沉积物的组成特征,也可以用做标准化物质,用来对比研究世界其他河流的REE分异特征。杨守业 李从先 JUNG Hoi-Soo CHOI Man-Sik 2003自然科学进展2003,13,4:36
14Risk factors affecting pancreatic fistulas after pancreaticoduodenectomy显示文摘AIM: To analyze the risk factors of pancreatic leakage after pancreaticoduodenectomy.METHODS: We retrospectively reviewed 172 consecutive patients who had undergone pancreatico-duodenectomy at Inha University Hospital between April 1996 and March 2006. We analyzed the pancreatic fistula rate according to the clinical characteristics, the pathologic and laboratory findings, and the anastomotic methods.RESULTS: The incidence of developing pancreatic fistulas in patients older than 60 years of age was 21.7% (25/115), while the incidence was 8.8% (5/57) for younger patients; the difference was significant (P = 0.03). Patients with a dilated pancreatic duct had a lower rate of post-operative pancreatic fistulas than patients with a non-dilated duct (P = 0.001). Other factors, including clinical features, anastomotic methods, and pathologic diagnosis, did not show any statistical difference. CONCLUSION: Our study demonstrated that pancreatic fistulas are related to age and a dilated pancreatic duct. The surgeon must take these risk factors into consideration when performing a pancre-aticoduodenectomy.Yun-Mee Choe Keon-Young Lee Cheong-Ah Oh Joung-Bum Lee Sun Keun Choi Yoon-Seok Hur Sei-Joong Kim Young Up Cho Seung-Ik Ahn Kee-Chun Hong Seok-Hwan Shin Kyung-Rae Kim 2008World Journal of Gastroenterology2008,14,45:32
15Small sphincterotomy combined with endoscopic papillary large balloon dilation versus sphincterotomy显示文摘AIM:To compare small sphincterotomy combined with endoscopic papillary large balloon dilation(SES+ ELBD)and endoscopic sphincterotomy(EST)for large bile duct stones. METHODS:We compared prospectively SES+ELBD (group A,n=27)with conventional EST(group B, n=28)for the treatment of large bile duct stones(≥ 15 mm).When the stone could not be removed with a normal basket,mechanical lithotripsy was performed. We compared the rates of complete stone removal with one session and application of mechanical lithotripsy. RESULTS:No significant differences were observed in the mean largest stone size(A:20.8 mm,B:21.3 mm), bile duct diameter(A:21.4 mm,B:20.5 mm),number of stones(A:2.2,B:2.3),or procedure time(A:18 min, B:19 min)between the two groups.The rates of complete stone removal with one session was 85%in group A and 86%in group B(P=0.473).Mechanical lithotripsy was required for stone removal in nine of 27 patients(33%)in group A and nine of 28 patients (32%,P=0.527)in group B.CONCLUSION:SES+ELBD did not show significant benefits compared to conventional EST,especially for the removal of large(≥15 mm)bile duct stones.Hyun Gun Kim Young Koog Cheon Young Deok Cho Jong Ho Moon Do Hyun Park Tae Hoon Lee Hyun Jong Choi Sang-Heum Park Joon Seong Lee Moon Sung Lee 2009World Journal of Gastroenterology2009,15,34:34
16Electroacupuncture on PC6 Prevents Opioid-Induced Nausea and Vomiting after Laparoscopic Surgery显示文摘Objective:To investigate the treatment time dependence of electroacupuncture(EA) on Neiguan (PC6) for preventing postoperative nausea and vomiting(PONV).Methods:One hundred and seventy-eight patients,who had received intravenous patient-controlled analgesia(PCA) with Fentanyl,were assigned randomly to three groups using random numbers:a pre-operative EA group(PrEA),a post-operative EA group(PoEA),and a non-acupuncture control group(NC).An anesthetist evaluated the incidence and severity of nausea and vomiting for 48 h after surgery blindly.The main outcomes were severity and freguency of PONV,which were measured with a self-reported questionnaire and a confirmation from the anesthetist.The data were analyzed with ANOVA and Z-test.Results:The incidence of nausea and vomiting was significantly lower in the PrEA group than the NC group during 48 h after surgery(P<0.01,P<0.05).The incidence of vomiting was also significantly lower in the PrEA group than the PoEA group(P<0.05).The PoEA subjects evidenced no significant differences compared with the NC subjects in terms of the incidence of nausea and vomiting(P<0.05).The severity of nausea was significantly lower in the PrEA group than in the NC and PoEA groups(P<0.05).Conclusions:EA on PC6 is effective in the prevention of PONV,and pre-operative acupuncture is more effective than post-operative acupuncture.Siwoo Lee Myeong Soo Lee Deok Hwa Choi Su Kyung Lee 2013Chinese Journal of Integrative Medicine2013,19,4:32
17男男性接触者社会网络与艾滋病高危行为关系显示文摘目的探讨年轻男男性接触者(MsM)社会网络与艾滋病高危行为的关系,为开展社会网络干预提供依据。方法采用应答者驱动方法在安徽合肥市招募研究对象,共有193名符合条件的男男性接触者接受面对面问卷调查。调查内容主要包括社会人口学特征、最近6个月性伴数、性行为,个体核心社会网络等。结果在个体近6个月肛交性伴数≥2个的预测模型中,若核心社会网络成员中女性成员达到半数及以上,报告肛交性伴数≥2个的危险性是核心网络成员均为男性的0.174倍(95%a=0.043~0.705),若核心社会网络成员中大学及以上文化达到及超过半数者,报告肛交性伴数≥2个的危险性是核心社会网络成员中大学及以上文化程度未达到半数者的0.472倍(95%a=0.236~0.947)。若核心社会网络成员全都支持调查对象的性取向,报告肛交性伴数≥2个的危险性为核心社会网络成员不全支持者的2.141倍(95%a=1.128~4.065);在个体近6个月无保护肛交(UAI)预测模型中。若核心社会网络成员均知道调查对象性取向、调查对象与核心社会网络成员间无性关系,报告UAI的危险性分别是调查对象性取向在其核心社会网络成员不全公开者的1.955倍(95%a=1.071~3.716)、调查对象与核心社会网络成员间有性关系者的0.239倍(95%a=0.126~0.454)。结论社会网络是艾滋病危险行为扩散的重要影响因素,社会网络是当前遏制艾滋病在MSM人群中扩散的重要资源和途径。朱军礼 张洪波 郑迎军 Kyung-Hee Choi 朱义彬 2008中国公共卫生2008,24,4:29
188-Hydroxydeoxyguanosine:Not mere biomarker for oxidative stress,but remedy for oxidative stress-implicated gastrointestinal diseases显示文摘Reactive oxygen species (ROS) attack guanine bases in DNA easily and form 8-hydroxydeoxyguanosine (8-OHdG),which can bind to thymidine rather than cytosine,based on which,the level of 8-OHdG is gen-erally regarded as a biomarker of mutagenesis conse-quent to oxidative stress.For example,higher levels of 8-OHdG are noted in Helicobacter pylori-associated chronic atrophic gastritis as well as gastric cancer.However,we have found that exogenous 8-OHdG can paradoxically reduce ROS production,attenuate thenuclear factor-κB signaling pathway,and ameliorate the expression of proinflammatory mediators such as interleukin (IL)-1,IL-6,cyclo-oxygenase-2,and induc-ible nitric oxide synthase in addition to expression of nicotinamide adenine dinucleotide phosphate oxidase (NOX)-1,NOX organizer-1 and NOX activator-1 in vari-ous conditions of inflammation-based gastrointestinal (GI) diseases including gastritis,inflammatory bowel disease,pancreatitis,and even colitis-associated carci-nogenesis.Our recent finding that exogenous 8-OHdG was very effective in either inflammation-based or oxidative-stress-associated diseases of stress-related mucosal damage has inspired the hope that synthetic 8-OHdG can be a potential candidate for the treatment of inflammation-based GI diseases,as well as the pre-vention of inflammation-associated GI cancer.In this editorial review,the novel fact that exogenous 8-OHdG can be a functional molecule regulating oxidative-stress-induced gastritis through either antagonizing Rac-guanosine triphosphate binding or blocking the signals responsible for gastric inflammatory cascade is introduced.Chan-Young Ock Eun-Hee Kim Duck Joo Choi Ho Jae Lee Ki-Baik Hahm Myung Hee Chung 2012World Journal of Gastroenterology2012,18,4:30
19复合益生素对生长育肥猪生产性能、盲肠菌群及代谢产物的影响显示文摘试验旨在研究饲粮中添加复合益生素(JS菌)对生长育肥猪生产性能、盲肠菌群、挥发性脂肪酸及蛋白质腐败产物的影响。试验选择120头体重10 kg左右的健康DLY仔猪,随机分为对照组、抗生素组、0.1%JS菌组和0.2%JS菌组,每组5个重复。结果表明:与对照组相比,添加0.2%JS菌显著提高试猪30-50 kg阶段的平均日增重和采食量(P〈0.05);添加0.1%JS菌显著提高试猪80-100 kg阶段的平均日增重(P〈0.05);从试验全期来看,抗生素组、0.1%JS菌组和0.2%JS菌组试猪平均日增重和采食量均有所提高,但各组间差异不显著(P〉0.05)。添加JS菌趋于增加盲肠内容物乳酸杆菌数量,减少大肠杆菌数量(P〉0.05),从而提高二者的比值,分析PCR-DGGE图谱发现添加JS菌对菌群多样性和相似性也有一定影响。与对照组相比,0.1%JS菌组和0.2%JS菌组盲肠内容物乙酸含量分别提高2.35倍和2.99倍,丁酸含量分别提高58.87%和62.10%,挥发性盐基氮含量分别降低31.91%和28.53%(P〈0.05)。在本试验条件下,添加JS菌对生长育肥猪的生产性能有一定改善,效果与抗生素基本相当,这可能与其对肠道健康的保护作用有关。毛倩 陈代文 余冰 Jung Sik Choi 2010中国畜牧杂志2010,46,17:27
20主动拖延量表在中国大学生群体中的修订及信效度检验显示文摘目的:对主动拖延量表(NAPS)进行中文修订。方法:经过开放性问卷调查、量表翻译和初测、量表检验和重测等步骤修订NAPS,累计施测于1218名大学生。结果:总量表α系数为0.84,结果满意、压力偏好、主动决定拖延、按时完成任务能力的α系数分别为0.82、0.79、0.78、0.80;重测信度为0.82,四个因子的重测信度分别为0.81、0.80、0.78、0.81;主动拖延与被动拖延相关为-0.007(P>0.05),与自我效能感、学习成绩和学业满意度呈显著相关(P<0.05)。验证性因素分析显示拟合指数χ2/df值为2.904,GFI、CFI、AGFI的值分别为0.91、0.92、0.87,而RMSEA的值为0.048。结论:主动拖延量表包括结果满意(OS)、压力偏好(PP)、主动决定(ID)和按时完成任务能力(AD)等四个维度;修订的主动拖延量表(NAPS)具有良好的信度和效度,适用于国内大学生群体。倪士光 李虹 徐继红 JINNAM CHOI 2011中国临床心理学杂志2011,19,4:27
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