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ON CERTAIN CLASS OF MEROMORPHIC FUNCTIONS WITH POSITIVE COEFFICIENTS

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Acta Mathematica Scientia 2012年第4期32卷 1376-1390页

作者： j.Dziok g.Murugusundaramoorthy j.Sokól Department of Mathematics Institute of MathematicsUniversity of Rzeszówul.Rejtana 16A35-310 RzeszówPoland School of Advanced Sciences VIT UniversityVellore-632014India Department of Mathematics Rzeszów University of Technologyul.W.Pola 235-959 RzeszówPoland

In the present investigation we define a new class of meromorphic functions on the punctured unit disk A△^＊：= {z ∈ C ： 0 〈｜z｜〈 1} by making use of the generalized Dziok-Srivastava operator Hm^l [α1]. Coefficient inequalities, growth and distortion inequalities, as well as closure results are obtained. We also establish some results concerning the partial sums of meromorphic functions and neighborhood results for functions in new class.

关键词： meromorphic functions starlike function convolution positive coefficients coefficient inequalities Dziok-Srivastava operator

Falling sperm counts and global estrogenic pollution： what have we learned over 20 years？

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Asian journal of Andrology 2013年第2期15卷 159-161页

作者： David j Handelsman Trevor g Cooper ANZAC Research Institute Concord Hospital & University of Sydney Sydney New South Wales 2139 Australia Tuen Mun NT Hong Kong SAR PR ChinaGuest Editors for this special issue: Prof. DJ Handelsman

If scandal is the engine of progress in politics, and sensation is that of the media, while anti-modern panic is that of environmentalism, what is the dynamic of medical science？ Certainly discovery and invention represent the admirable high road, whereas competition and controversy represent the quotidian low road. This Special Issue is directed to reviewing the lessons learned from the most public, fervent and durable controversy in the short history of Andrology, the claims of world-wide falling sperm counts, due to global pollution by industrial estrogenic chemicals, published two decades ago.

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Dynamics of the coronavirus disease 2019(COVID-19)epidemic in Wuhan City,Hubei Province and China:a second derivative analysis of the cumulative daily diagnosed cases during the first 85 days

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global Health journal 2021年第1期5卷 4-11页

作者： Bin Yu Xinguang Chen Shannan rich Qiqing Mo Hong Yan Department of Epidemiology University of FloridaGainesvilleFL 32610USA Deparment of Surgery School of MedicineDuke UniversityDurhamNC 27710USA Department of Social Medicine and Health Promotion School of Public HealthGuangxi Medical UniversityNanningGuangxi 530021China Department of Preventive Medicine School of Health SciencesWuhan UniversityWuhanHubei 430072China

Background:Controlling the coronavirus disease 2019(COVID-19)epidemic requires information beyond new and cumulative *** study aims to conduct an in-depth analysis by geographic strata:Wuhan City(hereafter referred to as Wuhan)only,Hubei Province(hereafter referred to as Hubei)excluding Wuhan,and China excluding ***:Daily cumulative confirmed COVID-19 cases between December 8,2019(the date of symptom onset based on patients'recall during the investigation),and March 1,2020,from official sources and published studies were *** second derivative model was used for information *** analysis was conducted separately for the three ***:A total of 80026 diagnosed COVID-19 cases were reported during the first 85 days of the epidemic,with 49315 cases from Wuhan,17788 from Hubei excluding Wuhan,and 12923 from China excluding *** results indicate that the COVID-19 epidemic consists of an Acceleration,a Deceleration,and a Stabilization Phase in all three geographic strata,plus a Silent Attack Phase for Wuhan *** the reported incubation period of 14 days,effects of the massive anti-epidemic actions were revealed by both the Acceleration and Deceleration *** Acceleration Phase signaled the effect of the intervention to detect the infected;the Deceleration Phase signaled the declines in new infections after the infected were detected,treated and ***:Findings of the study provide new evidence to better monitor the epidemic,evaluate its response to intervention,and predict the trend *** addition to re-evaluating the control of the COVID-19 epidemic in China,this study provided a model for monitoring outbreaks of COVID-19 in different countries across the world.

关键词： Coronavirus disease 2019(COVID-19) First derivative Second derivative China Hubei Province Wuhan City

Characterization of multi-gNSS between-receiver differential code biases using zero and short baselines

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Science Bulletin 2015年第21期60卷 1840-1849页

作者： Baocheng Zhang Peter j.g.Teunissen global Navigation Satellite System (gNSS) Research Centre Curtin University geoscience and Remote Sensing Delft University of Technology

Care should be taken to minimize adverse impact of receiver differential code biases(DCBs) on global navigation satellite system(gNSS)-derived ionospheric parameters. It is therefore of importance to ascertain the intrinsic characteristics of receiver DCBs,preferably in the context of new-generation gNSS. In this contribution, we present a method that enables time-wise retrieval of between-receiver DCBs(BR-DCBs) from dualfrequency, code-only measurements collected by a pair of co-located receivers. This method is applicable to the US gPS as well as to a new set of gNSS constellations including the Chinese Bei Dou, the European galileo and the japanese QZSS. With the use of this method, we determine the multi-gNSS BR-DCB time-wise estimates covering a time period of up to 2 years(january 2013–March 2015) with a 30-s time resolution for five receiverpairs(four zero and one short baselines). For the BR-DCB time-wise estimates pertaining to an arbitrary receiver-pair and constellation, we demonstrate their promising intraday stability by means of statistical hypothesis testing. We also find that the Bei Dou BR-DCB daily weighted average(DWA) estimates show a dependence on satellite type, in particular for receiver-pairs of mixed types. Finally, we demonstrate that long-term variability in BR-DCB DWA estimates can be closely associated with hardware temperature variations inside the receivers.

关键词： global navigation satellite system(gNSS) Total electron content (TEC) Between-receiver differential code bias (BR-DCB) BeiDoucode inter-satellite-type-bias (ISTB)

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近海结构中桩的横向承载力

国外地震工程 1983年第5期 91-99页

作者： j.g Woners V.N Marcon 杨国金

引言现今近海结构将要在越来越深的水域中建造。因为平台变得越来越高并且对结构质量的要求也越来越高,所以需要更准确而可靠的计算。处理桩的承载力问题时,通常把结构分为两部分:线性部分(导管架基底以上的结构)和非线性部分(导管架基... 详细信息

引言现今近海结构将要在越来越深的水域中建造。因为平台变得越来越高并且对结构质量的要求也越来越高,所以需要更准确而可靠的计算。处理桩的承载力问题时,通常把结构分为两部分:线性部分(导管架基底以上的结构)和非线性部分(导管架基底以下由土支承的桩和导管)。这两部分之间的相互作用的描述往往是基于粗糙的而且是不完善的相容条件。在桩的分析中,切断处的边界条件是桩的力矩-转

关键词：导管架轴向变形高程弯矩弯曲力矩横向荷载轴向荷载中桩

Recent insights into androgen action on the anatomical and physiological substrate of penile erection

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Asian journal of Andrology 2006年第1期8卷 3-9页

作者： Louis j.g.gooren Farid Saad Department of Endocrinology Andrology SectionVrije Universiteit Medical Center1007 MB AmsterdamThe Netherlands gulf Medical College Medical University of theUnited Arab Emirates2563 Ajman UAE Andrology DepartmentSchering AG13342 BerlinGermany

Erectile response is centrally and peripherally regulated by androgens. The original insights into the mechanisms of action of androgens were that androgens particularly exert effects on libido and that erections in response to erotic stimuli were relatively androgen-independent. It was shown that sexual functions in men required androgen levels at the low end of reference values of testosterone. So it seemed that testosterone was not useful treatment for men with erectile difficulties, particularly following the advent of the phosphodiesterase type 5 （PDE5） inhibitors. However, approximately 50% of those treated with PDE5 inhibitors discontinue their treatment. A number of recent developments shed new light on testosterone treatment of erectile dysfunction （ED） in aging men. （1） A recent insight is that, in contrast to younger men, elderly men might require higher levels of testosterone for normal sexual functioning. （2） Several studies have indicated that PDE5 inhibitors are not always sufficient to restore erectile potency in men, and that testosterone improves the therapeutical response to PDE5 inhibitors considerably. （3） There is growing insight that testosterone has profound effects on tissues of the penis involved in the mechanism of erection and that testosterone deficiency impairs the anatomical and physiological substrate of erectile capacity, reversible upon androgen replacement. The synthesis of PDE5 is upregulated by androgens, and the arterial inflow into the penis is improved by giving androgen. The above invites a re-examination of the merits of giving testosterone to aging men with ED. The beneficial effects of PDE5 inhibitors may only be optimally expressed in a eugonadal environment. （Asian j Androl 2006 jan; 8： 3-9）

关键词： testosterone erection corpus cavernosum phosphodiesterase type 5 inhibitors

Parametric Duality Models for Semiinfinite Multiobjective Fractional Programming Problems Containing generalized (α, η, ρ)-V-Invex Functions

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Acta Mathematicae Applicatae Sinica 2013年第2期29卷 225-240页

作者： g.j. ZALMAI Qing-hong ZHANg Department of Mathematics and Computer Science Northern Michigan University

In this paper, we present several parametric duality results under various generalized （a,v,p）-V- invexity assumptions for a semiinfinite multiobjective fractional programming problem.

关键词： Semiinfinite programming multiobjective fractional programming generalized invex functions infinitely many equality and inequality constraints parametric duality models duality theorems

Terpenoid Biosynthesis and Specialized Vascular Cells of Conifer Defense

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journal of Integrative Plant Biology 2010年第1期52卷 86-97页

作者： Katherine g. Zulak jrg Bohlmann Michael Smith Laboratories University of British Columbia

Defense-related terpenoid biosynthesis in conifers is a dynamic process closely associated with specialized anatomical structures that allows conifers to cope with attack from many potential pests and pathogens. The constitutive and inducible terpenoid defense of conifers involves several hundred different monoterpenes, sesquiterpenes and diterpenes. Changing arrays of these many compounds are formed from the general isoprenoid pathway by activities of large gene families for two classes of enzymes, the terpene synthases and the cytochrome P450-dependent monooxygenases of the CYP720B group. Extensive studies have been conducted on the genomics, proteomics and molecular biochemical characterization of these enzymes. Many of the conifer terpene synthases are multi-product enzymes, and the P450 enzymes of the CYP720B group are promiscuous in catalyzing multiple oxidations, along homologous series of diterpenoids, from a broad spectrum of substrates. The terpene synthases and CYP720B genes respond to authentic or simulated insect attack with increased transcript levels, protein abundance and enzyme activity. The constitutive and induced oleoresin terpenoids for conifer defense accumulate in preformed cortical resin ducts and in xylem trauma-associated resin ducts. Formation of these resin ducts de novo in the cambium zone and developing xylem, following insect attack or treatment of trees with methyl jasmonate, is a unique feature of the induced defense of long-lived conifer trees.

关键词： Terpenoid Biosynthesis and Specialized Vascular Cells of Conifer Defense gPPS

global Parametric Sufficient Efficiency Conditions for Semiinfinite Multiobjective Fractional Programming Problems Containing generalized (α, η, ρ)-V-Invex Functions

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Acta Mathematicae Applicatae Sinica 2013年第1期29卷 63-78页

作者： g.j. Zalmai Qing-hong Zhang Department of Mathematics and Computer Science Northern Michigan University

Abstract In this paper, we discuss numerous sets of global parametric sufficient efficiency conditions under various generalized （a,n, p）-V-invexity assumptions for a semiinfinite multiobjective fractional programmi... 详细信息

关键词： Semiinfinite programming multiobjective fractional programming generalized invex functions,infinitely many equality and inequality constraints parametric sufficient efficiency conditions.