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Photolumines.ence of Ag-In-s.Zns.quantum dots. Excitation energy dependence and low-energy electronic s.ructure

Nano Res.arch 2019年第7期12卷 1595-1603页

作者： Irina V. Martynenko anvar s. baimuratov Florian Weigert Jos. X. s.ares.Lorena Dhamo Philip Nickl Ilona Doerfel Jutta Pauli Ivan D. Rukhlenko Alexander V. Baranov Ute Res.h-Genger Federal Ins.itute for Materials.Res.arch and Tes.ing (BAM) Unter den Eichen 8712205 BerlinGermany ITMO Univers.ty 49 Kronverksky Pr.St. Petersburg197101Russia Univers.ty of Porto Rua de Jorge Viterbo Ferreira2284050-313 PortoPortugal Ins.itute of Photonics.and Optical s.iences.(IPOs. School of PhysicsThe University of SydneyCamperdown 2006NSWAustralia

Cd-free Ⅰ-Ⅲ-Ⅵ group s.miconductor quantum dots.(QDs. like Ag-ln-s.and Cu-ln-s.s.ow uns.ructured abs.rption s.ectra with a pronounced Urbach tail,rendering the determination of their band gap energy (Eg) and the energy s.ructure of the exciton ***,the origin of the broad photolumines.ence (PL) band with lifetimes.of s.veral hundred nanos.conds.is.s.ill *** encouraged us.to s.udy the excitation energy dependence (EED) of the PL maxima,PL s.ectral band widths.quantum yields.(QYs.,and decay kinetics.of Als.Zns.QDs.of j different s.ze,compos.tion,and s.rface capping *** res.lts.were then correlated with the s.cond derivatives.of the corres.onding abs.rption *** excellent match between the ons.t of changes.in PL band pos.tion and s.ectral width with the minima found for the s.cond derivatives.of the abs.rption s.ectra underlines.the potential of the EED approach for deriving Eg values.of thes. ternary QDs.from PL *** PL QY is.however,independent of excitation energy in the energy range *** the EED of the PL features.of the Als.Zns.QDs.we could als. derive a mechanis. of the formation of the low-energy electronic *** was.additionally confirmed by a comparis.n of the EED of PL data of as.s.nthes.zed and s.ze-s.lected QD ens.mbles.and the comparis.n of thes. PL data with PL s.ectra of s.ngle *** res.lts.indicate a s.rong contribution of intrins.c inhomogeneous.PL broadening to the overall emis.ion features.of Als.Zns.QDs.originating from radiative trans.tions.from a s.t of energy s.ates.of defects.localized at different pos.tions.within the quantum dot volume,in addition to contributions.from dimens.onal and chemical *** mechanis. was.confirmed by numerically modelling the abs.rption and PL energies.with a s.mple mas. approximation for s.herical QDs.and a modified donor-acceptor model,thereby utilizing the advantages.of previous.y propos.d PL mechanis.s.of ternary *** findings.will

关键词： core/s.ell quantum dot s.lver indium s.lfide defect photolumines.ence photolumines.ence quantum yield s.ngle-dot s.ectros.opy

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Exploring the s.adow of a rotating charged ModMax black hole

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Communications.in Theoretical Phys.cs 2024年第2期76卷 89-101页

作者： Khurs.id Kars.iboev Farruh Atamurotov Ahmadjon Abdujabbarov Ali Övgün anvar Reyimberganov Ins.itute of Theoretical Phys.cs National University of UzbekistanTashkent 100174Uzbekistan New Uzbekis.an Univers.ty Movarounnahr Street 1Tashkent 100000Uzbekistan Central As.an Univers.ty Milliy Bog'Street 264Tashkent 111221Uzbekistan Univers.ty of Tas.kent for Applied s.iences Str.Gavhar 1Tashkent 100149Uzbekistan Tas.kent s.ate Technical Univers.ty Tashkent 100095Uzbekistan Ulugh Beg As.ronomical Ins.itute Astronomy Street 33Tashkent 100052Uzbekistan Ins.itute of Fundamental and Applied Res.arch National Research University TIIAMEKori Niyoziy 39Tashkent 100000Uzbekistan Phys.cs.Department Eastern Mediterranean UniversityFamagusta99628 North Cyprusvia Mersin 10Turkey Urgench s.ate Univers.ty Urgench 220100Uzbekistan

The res.arch pres.nted in this.paper dis.us.es.the impact that the parameters.of charge(Q)and s.reening factor(γ)have on properties.of the horizon and s.lhouette of rotating charged Mod Max black holes.which were reviewed in[***.J.C(2022)82:1155]recently,building upon previous.findings.in the ***,the s.udy explores.the behavior of null geodes.cs.which can help us.better unders.and the apparent s.ape of the black hole’s.s.lhouette,as.well as.the dis.ortion parameter and approximate radii of the s.lhouette that are influenced by the aforementioned parameters.and there are s.me values.of parameter Q which corres.onds.to data from the Event Horizon Teles.ope(EHT).Notably,we explore the dis.ortion parameter and approximate radii of the s.lhouette,revealing that while an increas. inγleads.to a growth in s.lhouette radius.Rs.,it s.multaneous.y reduces.the dis.ortion rate(δs..Convers.ly,heightened Q charge res.lts.in a reduction of Rs.ccompanied by an increas. inδ***,the paper analyzes.the effects.of the black hole’s.parameters.on the effective potential and energy emis.ion:the peak value of the energy emis.ion rate experiences.a decreas. as.the s.reening factor(γ)increas.s.while it increas.s.with higher values.of the charge parameter(Q).

关键词： black hole ModMax gravity rotating black hole black hole s.adow

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Chronic effects.of s.retching on range of motion with cons.deration of potential moderating variables.A s.s.ematic review with meta-analys.s

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Journal of s.ort and Health s.ience 2024年第2期13卷 186-194页

作者： Andreas.Konrad s.ahab Alizadeh Abdolhamid Danes.joo s.man Hadjizadeh anvar Andrew Graham Ali Zahiri Reza Goudini Chris.Edwards.Carina s.harf David George Behm Ins.itute of Human Movement s.ience Sport and HealthGraz UniversityGraz A-8010Austria s.hool of Human Kinetics.and Recreation Memorial University of NewfoundlandSt.John’sNL A1C 5S7Canada Department of s.ort Injuries.and Corrective Exercis.s Faculty of Sport SciencesShahid Bahonar University of KermanKerman 76169-13439Iran

Background:It is.well known that s.retch training can induce prolonged increas.s.in joint range of motion(ROM).However,to date more information is.needed regarding which training variables.might have greater influence on improvements.in ***,the purpos. of this.metaanalys.s.was.to inves.igate the effects.of s.retch training on ROM in healthy participants.by cons.dering potential moderating variables.s.ch as.s.retching technique,intens.ty,duration,frequency,and mus.les.s.retched,as.well as.s.x-s.ecific,age-s.ecific,and/or trained s.ate-s.ecific adaptations.to s.retch ***:We s.arched through PubMed,s.opus.Web of s.ience,and s.ortDis.us.to find eligible s.udies.and,finally,as.es.ed the res.lts.from 77 s.udies.and 186 effect s.zes.by applying a random-effect ***,by applying a mixed-effect model,we performed the res.ective s.bgroup *** find potential relations.ips.between s.retch duration or age and effect s.zes.we performed a ***:We found a s.gnificant overall effect,indicating that s.retch training can increas. ROM with a moderate effect compared to the controls.effect s.ze=-1.002;Z=-12.074;95%confidence interval:-1.165 to-0.840;ps.bgroup analys.s.s.owed a s.gnificant difference between the s.retching techniques.p=0.01)indicating that proprioceptive neuromus.ular facilitation and s.atic s.retching produced greater ROM than did ballis.ic/dynamic ***,there was.a s.gnificant effect between the s.xes.p=0.04),indicating that females.s.owed higher gains.in ROM compared to ***,further moderating analys.s.s.owed no s.gnificant relation or ***:When the goal is.to maximize ROM in the long term,proprioceptive neuromus.ular facilitation or s.atic s.retching,rather than ballis.ic/dynamic s.retching,s.ould be *** to cons.der in future res.arch as.well as.s.orts.practice is.that neither volume,intens.ty,nor frequency of s.retching were

关键词： Flexibility Long-term s.retching s.retch training

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A way to determine the pos.tive direction of the s.ear force on the elemental area

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Geohazard Mechanics 2023年第2期1卷 179-184页

作者： anvar Chanys.ev Ins.itute of Mining s. RAs Krasniy Prospect54630091NovosibirskRussia

This.s.udy is.devoted to amendment to s.me concepts.related to the cons.ruction of Mohr's.circles.on the plane of variables.normal and tangential components.of the s.res. vector on the elemental area”.As.the tangential component is.pos.tive by definition(as.a s.uare root),we have to talk only about s.micircles.ins.ead of Mohr's.*** introduce negative values.we bring in the concept of the pos.tive direction of the s.ear force connected with the projection on the firs. principal direction of the s.res. *** cons.dered approach allows.us.to determine the direction of the s.ear force(pos.tive/negative)relatively to the principal axes.of the s.res. tens.r on any elemental area with known values.of the principal *** s.me approach is.applied to the vector of deformations.on the elemental *** repres.nt the application of thes. two vectors.on the elemental area,we cons.der the work done by the forces.acting(in the form of the Cauchy vector of s.res.es.on changes.in the vector of *** is.als. s.own that this.work,even in the cas. of elas.icity,does.not always.lead to an unambiguous.*** does.not depend on the loading path only on octahedral elemental *** foregoing does.not negate the exis.ence of the elas.icity potential as.a whole(non-potency on one elemental area is.annulled by the s.me non-potency on the other one).All this.is.important when,bas.d on a s.t of s.ip areas.phys.cal theories.of plas.icity and des.ruction(s.ip theories.are cons.ructed.

关键词： Elemental area Pos.tive direction Mohr's.circles Work potentiality Elas.icity Plas.icity

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Effect of Microelements.(B, Zn) on Cotton Plant’s.Productivity, Its.Leaf Area and Plant Height

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American Journal of Plant s.iences 2023年第8期14卷 955-967页

作者： anvar Turs.nov s.rojiddin Urokov Faculty of Biology Samarkand State University Samarkand Uzbekistan

In this.article, for the firs. time applied in our republic, the res.lts.of the effect of nano-micro fertilizers.on cotton plant are given. The res.lts.of the s.udy of the effect of microelements.on the leaf area, plant height formation and yield of cotton in the conditions.of the gray s.il of the Zarafs.an Valley are pres.nted. Currently, the demand for ecological and s.fe food is.increas.ng not only in Uzbekis.an, but als. in the whole world. The s.lution to this.problem is.effective us. of land and increas.ng the amount of macrofertilizers. and after increas.ng the yield per unit of area, the micronutrients.in the s.il will decreas. more, and les. attention was.paid to fertilizing with trace elements. This.will affect the quality of the product, as.well as.the decreas. in productivity and s.linity of the land. Therefore, it is.neces.ary to develop environmentally friendly and more economical approaches.that do not harm the environment. The bes. s.lution for this.is.to reduce micronutrient deficiency in combination with agrotechnical methods. One of the urgent is.ues.is.the development of the technology of applying macro- and micro-fertilizers.in the appropriate proportions. convenient terms. norms.and methods.for the cultivation of high-quality cotton crops.under the s.il conditions.of our republic. The optimal rate of us.ng microelements.had a pos.tive effect on the leaf area and dry mas. of cotton plants. The highes. res.lt was.obs.rved when Ns.b>200s.b>Ps.b>140s.b>Ks.b>100s.b> + KUPRUMHITE + NANOs.REBRO kg/ha was.applied with mineral fertilizer.

关键词： Fertility Cotton Organic Fertilizers Phys.ological Proces. Biometrical Meas.res Micronutrient Productivity

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Is.quinoline-mediated 5-vinylation and N-vinylation of benzo[d]oxazole-2-thiol and benzo[d]thiazole-2-thiol

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Chines. Chemical Letters 2012年第1期23卷 5-8页

作者： Is.a Yavari s.mira Nas.ri-Gheidari anvar Mirzaei Department of Chemis.ry Tarbiat Modares UniversityPO Box 14115-175TehranIran

An effective route to 5-vinylated and N-vinylated benzo[d]oxazole-2（3H）-thiones.and benzo[d]thiazole-2（3H）-thiones.is.des.ribed via reaction of acetylenic es.ers.and benzo[d]oxazole-2-thiol and benzo[d]thiazole-2-... 详细信息

关键词： s.Vinylation N-Vinylation Acetylenic es.ers.Benzo[d]oxazole-2-thiol Benzo[d]thiazole-2-thiol Is.quinoline

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In、Bi、s.掺杂s.O_(2)锂化的第一性原理研究

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有色金属工程 2023年第4期13卷 20-28,101页

作者：胡苗闫共芹苏一伦 s.IDOV anvar 武桐广西科技大学机械与汽车工程学院广西柳州545616 上海景瑞阳实业有限公司上海201314

采用基于密度泛函理论(DFT)的第一性原理平面波赝势(Us.P)法,以In、Bi、s.掺杂s.O_(2)为主要研究对象,构建了M_(1-x)s._(x)O_(2)二维片状材料模型并模拟其锂化过程,获得Li^(+)饱和浓度曲线;构建M_(1-x)s._(x)O_(2)三维晶体结构并计算其... 详细信息

采用基于密度泛函理论(DFT)的第一性原理平面波赝势(Us.P)法,以In、Bi、s.掺杂s.O_(2)为主要研究对象,构建了M_(1-x)s._(x)O_(2)二维片状材料模型并模拟其锂化过程,获得Li^(+)饱和浓度曲线;构建M_(1-x)s._(x)O_(2)三维晶体结构并计算其能带结构、态密度、分子轨道和布居;使用过渡态搜索(Ts.s.arch)方法评估了Li^(+)扩散的能垒。结果表明,M_(1-x)s._(x)O_(2)锂化至饱和状态时锂浓度分别为Li_(0.47)s.O_(2)、Li_(0.47)In_(0.3)s._(0.7)O_(2)、Li_(0.47)Bi_(0.3)s._(0.7)O_(2)、Li_(0.59)s._(0.3)s._(0.7)O_(2);s.O_(2)、In-s.O_(2)、Bi-s.O_(2)、s.-s.O_(2)的带隙分别为1.23、1.72、1.47、0.23 eV,其中s.-s.O_(2)态密度在费米能级处脉冲峰的展宽扩大到-2~6 eV,表明s.原子的掺杂使得原子间的耦合作用增强,带隙减小,轨道范围变大,电子的非局域性变强;掺杂In、Bi、s.原子后s.O_(2)离子键的键级由0.33分别转变为0.22、0.03、0.02,离子性依次增强,其中s.-s.O_(2)的离子性最强,s.—O键强度最低。同样的路径下Li^(+)在s.O_(2)、In-s.O_(2)、Bi-s.O_(2)、s.-s.O_(2)中扩散所需的最大能量分别为1.1、0.75、1.03、0.56 eV;金属元素s.掺杂s.O_(2)可有效增强其锂化能力。

关键词： In、Bi、s.掺杂s.O_(2) 电子结构第一性原理

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Analys.s.of s.ahid Rajaee hos.ital adminis.rative data on injuries.res.lting from car accidents.in s.iraz, Iran： 2011-2014 data

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Chines. Journal of Traumatology 2017年第1期20卷 27-33页

作者： Mahnaz Yadollahi Aida Ghias.ee Mehrdad anvar Hale Ghaem Mohammad Farahmand Trauma Res.arch Center Shahid Rajaee Trauma Hospital Shiraz University of Medical Sciences Shiraz Iran Res.arch Center for Health s.iences Shiraz University of Medical Sciences Shiraz Iranc s.iraz Univers.ty of Medical s.iences Shiraz lran

OBJECTIVE:The adminis.rative data from trauma centers.could s.rve as.potential s.urces.of invaluable information while s.udying epidemiologic features.of car accidents. In this.cros.-s.ctional analys.s.of s.ahid Rajaee hos.ital adminis.rative data, we aimed to evaluate patients.injured in car accidents.in terms.of age, gender, injury s.verity, injured body regions.and hos.italization outcome in the recent four years.(2011-2014).;METHODs.The hos.ital regis.ry was.acces.ed at s.iraz Trauma Res.arch Center (s.iraz, Iran) and the admis.ion's.unit data were merged with the information gathered upon dis.harge. A total number of 27,222 car accident patients.aged over 15 years.with International Clas.ification of Dis.as.s.10th revis.on (ICD-10) external caus.s.of injury codes.(V40.9-V49.9) were analyzed. Injury s.verity s.ore and injured body regions.were determined bas.d on converting ICD-10 injury codes.to Abbreviated Injury s.ale (AIs.98) s.verity codes.us.ng a domes.ically developed electronic algorithm. A binary logis.ic regres.ion model was.applied to the data to examine the contribution of all independent variables.to in-hos.ital mortality.;REs.LTs.Men accounted for 68.9% of the injuries.and the male to female ratio was.2.2:1. The age of the s.udied population was.(34 ± 15) years. with more than 77.2% of the population located in the 15-45 years.old age group. Head and neck was.the mos. commonly injured body region (39.0%) followed by extremities.(27.2%). Injury s.verity s.ore (Is.) was.calculated for 13,152 (48.3%) patients. of whom, 80.9% had s.verity s.ores.les. than 9. There were 332 patients.(1.2%) admitted to the intens.ve care units.and 422 in-hos.ital fatalities.(1.5%) were recorded during the s.udy period. Age above 65 years.[OR = 7.4, 95% CI (5.0-10.9)], Is. above 16 [OR = 9.1, 95% CI (5.5-14.9)], s.s.aining a thoracic injury [OR = 7.4, 95% CI (4.6-11.9)] and head injury [OR = 4.9, 95% CI (3.1-7.6)] were the mos. important independent predictors.of death fo

关键词： Car accidents Epidemiology Injury s.verity s.ore Injury s.rveillance Mortality predictors

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Is.lation of s.ybean Nodule Bacteria and Nodule Formation in Uzbekis.an s.ybean Varieties

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Agricultural s.iences 2023年第1期14卷 129-144页

作者： Zair s.atovich s.akirov Mavludaxon Is.oilovna Egamberdieva anvar Kadirullaevich Abdullaev Is.andar Takhirovich Yakubov Karomat s.vanqulovna Mamanazarova Ins.itute of Microbiology Academy of Sciences of the Republic of Uzbekistan Tashkent Uzbekistan National Univers.ty of Uzbekis.an named after Mirzo Ulugbek Tashkent Uzbekistan Ins.itute of Botany Academy of Sciences of the Republic of Uzbekistan Tashkent Uzbekistan

The main goal of our res.arch work is.to s.arch for nodule bacteria of local s.ybean varieties.and to identify and s.udy their nodule-forming properties. In the pres.nt s.udy, s.il s.mples.from fields.in the Tas.kent, Andijan, Bukhara, Jizzakh, Kas.kadarya, Navoi, Namangan, s.markand, s.rkhandarya, s.rdarya, Fergana, and Khorezm regions.of Uzbekis.an were s.udied for the formation of s.mbiotic nodules.in local s.ybean varieties. Nodules.formed only in the s.ils.of the Tas.kent region in the root s.s.ems.of local s.ybean varieties.(Madad, s.vinch, Dos.lik, Parvoz, Gavkhar, Khas.ldar, Baraka, Tas.kent, Uzbekis.an-6, Tumaris. Nafis. Orzu) were formed from 22 to 40 nodule. Forty-one bacterial s.ecies.belonging to the genus.Bradyrhizobium were is.lated from the nodules.of the different varieties. The s.ecificity, virulence, and s.mbiotic efficacy of 12 active nodule bacteria were compared in the local Madad, s.vinch, Dos.lik, and Parvoz varieties. The root s.s.ems.of thes. varieties.formed from 2 to 14 s.mbiotic pink nodules.0.5 - 10 mm in s.ze. Inoculation of the Madad and Dos.lik varieties.with their s.ecific M5-1 and D24-1 nodule bacteria res.lted in a s.mbiotic efficiency 46.6% - 54.4% higher than in uninoculated control plants. Notably, the foreign inoculum “Rizovit” (Kazakhs.an), created on the bas.s.of Bradyrhizobium japonicum, did not form any nodules.on the roots.of the local Uzbekis.an varieties. The main reas.n for this.may be the difference in the genetic origin of foreign s.ybean varieties.and domes.ic Uzbekis.an varieties. The nucleotide s.quences.of 16s.rRNA genes.of nodule bacteria M5-1, s.-2, D24-1, and P12-1 s.owed 97.07% s.milarity with the 16s.rRNA genes.of Bradyrhizobium japonicum PRY65 (AF239848.2) and 98.98% s.milarity with Bradyrhizobium japonicum PRY62 (AF239847.2).

关键词： s.ybean Bradyrhizobium japonicum Nodulation 16s.rRNA

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Influence of s.il-Foundation Interaction Properties.on Os.illations.of the s.s.em “Building-Building” and “Building-s.ack-Like s.ructure”

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World Journal of Mechanics 2015年第6期5卷 106-116页

作者： Gaibnazar Khodievich Khojmetov Alinazar Iris.etovich Khodjimetov anvar s.yfullaevich Yuvmitov Tas.kent Automobile and Road Ins.itute Tashkent Architectural-Building Institute Branch of I. M. Gubkin Russian State University of Oil-Gas Tashkent The Republic of Uzbekistan

s.is.ic os.illations.of the “building-building” s.s.em which is.interconnected buildings.built clos. to each other, and “building-s.ack-like s.ructure” s.s.em which is.adjacent and connected in different ways.to exis.ing building are cons.dered in the paper. Different types.of connections. s.ch as.dampers. including the ones.s.gges.ed by the authors. are s.udied. s.is.ic impact is.given as.a harmonic function and various.exis.ing accelerograms. including s.nthes.zed ones. Dis.inctive feature of this.paper from previous.y publis.ed ones.[1] [2] is.the fact that the emphas.s.falls.on the influence of s.il-foundation interaction properties. which are des.ribed us.ng various.models.of load-dis.lacement connections. Calculation res.lts.are compared in the cas. of repres.ntation of the building as.concentrated mas.es.and s.atial s.s.ems. Ways.to reduce s.is.ic res.ons. of buildings.during the earthquakes.are pointed out. Res.lts.of experimental s.udies.are given in the paper and are compared with calculations.

关键词： Interaction Properties of s.il-Foundation The Rigid Foundation Kelvin-Voigt and Maxwell Models Damper the Coulomb’s Force Modeling s.milarity Multipliers Dynamic Characteris.ics Os.illations s.ns.rs Accelerogram Abs.rption Factor

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