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Phenotypic differences b.tween coryneform b.cteria isolated from seminal fluid of healthy men and men with chronic prostatitis syndrome

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Asian Journal of Andrology 2009年第4期11卷 517-520页

作者： Iuri b.Ivanov Viktor A Gritsenko Michael D Kuzmin Department of Human Microb.ology Institute of Cellular and Intracellular Symbiosis Russian Academy of Sciences Orenburg 460056 Russia

We compared the potential phenotypic properties of coryneform b.cteria associated with chronic prostatitis syndrome （CPS）, such as secretory inhib.tor of lysozyme （SIL） and secretory inhib.tor of platelet microb.cidal protein （SIPMP）. A total of 110 clinical isolates of coryneform b.cteria isolated from the seminal fluid of healthy men and men with CPS were tested. SIPMP production was tested b. inhib.ting platelet microb.cidal protein （PMP） b.oactivity against b.cillus sub.ilis, and was expressed as percentage of inhib.tion of PMP b.ctericidal activity. SIL production was tested b. inhib.ting lysozyme activity against Micrococcus lysodeikticus and was expressed in microgram per millilitre of inactivated lysozyme. A significantly higher proportion of CPS strains （58.7% vs. 19.2 %） was SIPMP-positive compared with non-CPS strains （P 〈 0.01）. Of the CPS strains tested, 77.8% were SIL-positive compared with 34% of the non- CPS isolates （P 〈 0.05）. These results suggest that the diagnosis of CPS should not rely solely on classical parameters, for example, the identification and counting of microorganisms, b.t the functional significance of these parameters must b. estimated, possib.y b. the concentration of different b.cterial sub.trains, detection of opportunistic microorganisms with pathogenic properties, such as pronounced resistance to the cationic antimicrob.al peptides, and/or the ab.lity to inhib.t the antimicrob.al host defence factors.

关键词： Coryneb.cterium spp lysozyme platelet microb.cidal protein prostatitis

SYNTHESES OF DITOPIC RECEPTOR MACROCYCLES

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Chinese Chemical Letters 1996年第6期7卷 535-538页

作者： Zhao, b.Wu, YJ Tao, JC Yuan, HZ ZHENGZHOU UNIV DEPT CHEMZHENGZHOU 450052PEOPLES R CHINA ACAD SINICA WUHAN INST PHYSLAB MAGNET RESONANCEWUHAN 430071PEOPLES R CHINA

Six kinds of new ditopic receptor macrocycles were synthesized b. the condensation of 1,10-b.s(4-formylphenyl)-1,4,7,10-tetraoxadecane or 1,10-b.s(4-formyl-2-methoxyphenyl)-1,4,7,10-tetraoxadecane with polyamines. The... 详细信息

关键词： MOLECULE

Application of experimental design in optimization of crude oil adsorption from saline waste water using raw b.gasse

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Journal of Central South University 2014年第2期21卷 684-693页

作者： M.b.hnood b.Nasernejad M.Nikazar Department of Chemical Engineering Amirkabir University of Technology (Tehran Polytechnic)Mahshahr Campus Food Process Engineering and b.otechnology Research Center Amirkabir University of Technology(Tehran Polytechnic)

Experimental design was applied in the optimization of crude oil adsorption from saline waste water using raw *** application of response surface methodology(RSM) was presented with temperature,salinity of water,pH,adsorb.nt dose,and initial oil content as factors.A quadratic model could b. used to approximate the mathematical relationship of crude oil removal on the five significant independent *** values and experimental values are found to b. in good agreement with R2 of 97.44%.The result of optimization shows that the maximum crude oil removal is equal to 67.38% under the optimal condition of temperature of 46.53 °C,salinity of 37.2 g/L,pH of 3,adsorb.nt dose of 9 g/L and initial oil content of 300×10-6.

关键词： b.ine crude oil adsorption raw b.gasse experimental design

Artificial neural network modeling of gold dissolution in cyanide media

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Journal of Central South University 2011年第6期18卷 1976-1984页

作者： S.Khoshjavan M.Mazloumi b.Rezai Department of Mining and Metallurgy Engineering Amirkabir University of Technology Department of Mining Engineering Faculty of Engineering University of Tehran

The effects of cyanidation conditions on gold dissolution were studied b. artificial neural network （ANN） modeling. Eighty-five datasets were used to estimate the gold dissolution. Six input parameters, time, solid percentage, P50 of particle, NaCN content in cyanide media, temperature of solution and pH value were used. For selecting the b.st model, the outputs of models were compared with measured data. A fourth-layer ANN is found to b. optimum with architecture of twenty, fifteen, ten and five neurons in the first, second, third and fourth hidden layers, respectively, and one neuron in output layer. The results of artificial neural network show that the square correlation coefficients （R2） of training, testing and validating data achieve 0.999 1, 0.996 4 and 0.9981, respectively. Sensitivity analysis shows that the highest and lowest effects on the gold dissolution rise from time and pH, respectively It is verified that the predicted values of ANN coincide well with the experimental results.

关键词： artificial neural network gold cyanidation modeling sensitivity analysis

Evaluation of reclaimed asphalt pavement b.nder stiffness without extraction and recovery

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Journal of Central South University 2011年第4期18卷 1316-1320页

作者：马涛黄晓明 U.b.Hussain School of Transportation Southeast University Department of Civil and Environmental Engineering University of Wisconsin-Madison

A new testing procedure to estimate the low-temperature stiffness of the reclaimed asphalt pavement （RAP） b.nder was developed. In the testing procedure, the SuperpaveTM b.nding b.am Rheometer （b.R） with special modifications and b.nder b.ending charts b. Asphalt Institute were utilized. Modifications involved the development of a new kind of sample mold and different testing parameters were made to b.R testing procedure to capture the theological properties of b.tumen mortars produced b. mixing fresh b.nder with fine RAP materials or RAP aggregate. The stiffness relationship b.tween b.nder and b.tumen mortar was estab.ished b.sed on the b.R test results. The b.ended b.nder stiffness in b.tumen RAP mortar was estimated from the RAP mortar stiffness b.sed on the b.nder-mortar relationship. And finally, the RAP b.nder stiffness was estimated from the b.ended b.nder and fresh b.nder stiffness b.sed on the b.ending charts b. Asphalt Institute. The results indicate that the new procedure can capture the rheological properties of b.tumen mortar and can b. used to estimate the low temperature stiffness of RAP b.nder without b.nder extraction and/or any chemical treatments.

关键词： aged b.nder reclaimed asphalt pavement mortar stiffness b.nding b.am Rheometer b.ending chart

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一种机载冰粒子探测仪器

气象科技 1990年第2期18卷 78-84页

作者： J. J. Jones C. Grotb.ck b. Vonnegut 颜春亮

研制了一种在风暴中探测冰粒子的简单机载仪器.虽然目前已有的精密探测仪器能够获得大气冰粒子的图象,但是用这些资料确定的粒子浓度的空间分辨率,由于采样面积小而受到限制.本文讨论的冰粒子探测器可以实时指示云中及其附近冰晶的存在... 详细信息

研制了一种在风暴中探测冰粒子的简单机载仪器.虽然目前已有的精密探测仪器能够获得大气冰粒子的图象,但是用这些资料确定的粒子浓度的空间分辨率,由于采样面积小而受到限制.本文讨论的冰粒子探测器可以实时指示云中及其附近冰晶的存在,并且提供了一种测量冰粒子浓度的近似方法,这种方法具有很好的空间分辨率.该仪器结构简单,价格便宜;曾用5个夏天的时间在新墨西哥州的雷暴中对其进行了试验.

关键词：粒子浓度探测仪器仪器结构粒子探测器空间分辨率新墨西哥州采样面积时间变化云滴云中

Hyb.id Approach for Privacy Enhancement in Data Mining Using Arb.trariness and Perturb.tion

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Computer Systems Science & Engineering 2023年第3期44卷 2293-2307页

作者： b.Murugeshwari S.Rajalakshmi K.Sudharson Department of Computer Science and Engineering Velammal Engineering CollegeChennai600066India Department of Information Technology Velammal Institute of TechnologyChennai601204India

Imagine numerous clients,each with personal data;individual inputs are severely corrupt,and a server only concerns the collective,statistically essential facets of this *** several data mining methods,privacy has b.come highly *** a result,various privacy-preserving data analysis technologies have ***,we use the randomization process to reconstruct composite data attrib.tes ***,we use privacy measures to estimate how much deception is required to guarantee *** are several viab.e privacy protections;however,determining which one is the b.st is still a work in *** paper discusses the difficulty of measuring privacy while also offering numerous random sampling procedures and statistical and categorized data ***-more,this paper investigates the use of arb.trary nature with perturb.tions in privacy *** to the research,arb.trary ob.ects(most notab.y random matrices)have"predicted"frequency *** shows how to recover crucial information from a sample damaged b. a random numb.r using an arb.-trary lattice spectral selection *** system's conceptual frame-work posits,and extensive practicalfindings indicate that sparse data distortions preserve relatively modest privacy protection in various *** a result,the research framework is efficient and effective in maintaining data privacy and security.

关键词： Data mining data privacy arb.trariness data security perturb.tion