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Efficiency of KOH-modified rice straw-derived biochar for reducing cadmium mobility, bioaccessibility and bioavailability risk index in red soil

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Pedosphere 2020年第6期30卷 874-898页

作者： saqib bashir Qaiser HUSSAIN Jun ZHU Qingling FU David HOUBEN Hongqing HU Key Laboratory of Arable Land Conservation Middle and Lower Reaches of Yangtse RiverMinistry of AgricultureCollege of Resources and EnvironmentHuazhong Agricultural UniversityWuhan 430070China Department of Soil and Environmental Science Ghazi UniversityDera Ghazi Khan 32200Pakistan Department of Soil Science&SWC PMAS-Arid Agriculture UniversityRawalpindi 46300Pakistan AGHYLE UniLaSalleBeauvais 60011France

Cadmium(Cd)pollution in agricultural soils has exerted a serious threat due to continuous application of pesticides,fertilizers,and wastewater *** present study aimed to test the efficiency of KOH-modified and non-modified rice straw-derived biochar(KBC and BC,respectively)for reducing Cd solubility and bioavailability in Cd-contaminated ***-contaminated soil was incubated for 60 d with 15 and 30 g kg-1 BC and *** the end of incubation,Cd mobility was estimated by the European Community Bureau of Reference sequential extraction and toxicity characteristic leaching procedure(TCLP),while bioavailability was determined using 1 molL-1 NH4NO3 *** bioavailability risk index and bioaccessibility,assessed by a simple bioaccessibility extraction test,of Cd were used to examine the potential effects of Cd on living *** results indicated that application of both KBC and BC significantly increased soil p H,cation exchange capacity,nutrients,and organic *** soluble fraction of Cd was significantly decreased by 30.3%and 27.4%,respectively,with the addition of KBC and BC at 30 g kg-1 compared to the control(without biochar addition).Similarly,the bioaccessible Cd was significantly decreased by 32.4%and 25.2%,respectively,with the addition of KBC and BC at 30 g kg-1 compared to the *** addition,both KBC and BC significantly reduced Cd leaching in the TCLP and NH4NO3-extractable Cd in the amended soil compared to the *** reduction in Cd solubility and bioaccessibility by KBC and BC may be due to significant increases in soil pH and surface ***,KBC at an application rate of 30 g kg-1 demonstrated positive results as soil amendment for Cd immobilization,and reduced bioaccessible Cd in contaminated soil.

关键词： bioaccessible Cd Cd fractionation Cd immobilization NH4NO3-extractable Cd sequential extraction soilpH

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Combination (5% Hydroquinone, 0.1% Tretinoin and 1% Hydrocortisone) Cream in Treating Facial Hyperpigmentation: A Retrospective Patient Satisfaction Survey

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Journal of Cosmetics, Dermatological Sciences and Applications 2014年第5期4卷 329-331页

作者： John Fleming saqib bashir Dermatology Department King’s College Hospital London UK

Background: Melasma and post-inflammatory hyperpigmentation provide a significant source of psychosocial morbidity, especially in those with Fitzpatrick skin types III-VI. In Europe, a proprietary product aimed at treating these conditions, similar to Kligman’s formula but with a longer expiry date, has become available. Objectives: To assess patient satisfaction with a newly available combination de-pigmenting preparation. Methods: We conducted a small study to see if patients felt that this new product affected their quality of life and skin symptoms from hyperpigmentation. 41 subjects, who had all been prescribed a 15 g tube to use sparingly at night for 90 days within the last 12 months were telephoned to rate the effect the cream had on their quality of life and skin symptom improvement. Each patient also had their Dermatology Life Quality Index (DLQI) score assessed. Results: Out of the 29 patients who responded to the study, 22 had melasma and 7 had post-inflammatory hyperpigmentation from acne. 21 subjects felt that the cream made either a marked or moderate improvement on their quality of life and 23 subjects felt that the cream made either a marked or moderate improvement on their skin symptoms. Conclusion: Patients reported improvement in both hyperpigmentation and quality of life, suggesting a high level of satisfaction with treatment. The long shelf life of the product may also promote compliance and reduce health-care costs.

关键词： Melasma Chloasma Acne-Scarring Hydroquinone Tretinoin Kligman’s Solution

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Effect of Lewis acid-base additive on lead-free Cs_(2)SnI_(6) thin film prepared by direct solution coating process

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Chinese Physics B 2024年第8期33卷 444-451页

作者： saqib Nawaz Khan 王燕钟李祥梁会力杜小龙梅增霞 Institute of Physics Chinese Academy of SciencesBeijing 100190China Songshan Lake Materials Laboratory Dongguan 523808China University of Chinese Academy of Sciences Beijing 100049China Beijing Hairou Laboratory Beijing 101400China School of Physics Beijing Institute of TechnologyBeijing 100081China

Inorganic Cs_(2)SnI_(6) perovskite has exhibited substantial potential for light harvesting due to its exceptional optoelectronic properties and remarkable stability in ambient *** charge transport characteristics within perovskite films are subject to modulation by various factors,including crystalline orientation,morphology,and crystalline *** preferred crystalline orientation and film morphology via a solution-based process is challenging for Cs_(2)SnI_(6) *** this work,we employed thiourea as an additive to optimize crystal orientation,enhance film morphology,promote crystallization,and achieve phase *** lowers the surface energy of the(222)plane along the(111)direction,confirmed by x-ray diffraction,x-ray photoelectron spectroscopy,ultraviolet photoelectron spectroscopy studies,and density functional theory *** thiourea concentration enables a bandgap tuning of Cs_(2)SnI_(6) from 1.52 eV to1.07 *** approach provides a novel method for utilizing Cs_(2)SnI_(6) films in high-performance optoelectronic devices.

关键词： Cs_(2)SnI_(6) crystalline orientation Lewis acid-case additive engineering bandgap engineering

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Performance Analysis of ZF and RZF in Low-Resolution ADC/DAC Massive MIMO Systems

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China Communications 2024年第8期21卷 115-126页

作者： Talha Younas Shen Jin Muluneh Mekonnen Gao Mingliang saqib Saleem Sohaib Tahir Mahrukh Liaqat School of Electrical and Electronic Engineering Shandong University of TechnologyZibo 255000China Department of Electrical and Computer Engineering COMSATS University IslamabadSahiwal Campus Department of Electrical and Computer Engineering College of EngineeringDhofar UniversitySalalah 211Oman Department of Electrical and Computer Engineering Addis Ababa Science and Technology UniversityAddis AbabaEthiopia Department of Electrical Engineering College of Electrical and Mechanical EngineeringNUSTIslamabadPakistan

Large number of antennas and higher bandwidth usage in massive multiple-input-multipleoutput(MIMO)systems create immense burden on receiver in terms of higher power *** power consumption at the receiver radio frequency(RF)circuits can be significantly reduced by the application of analog-to-digital converter(ADC)of low *** this paper we investigate bandwidth efficiency(BE)of massive MIMO with perfect channel state information(CSI)by applying low resolution ADCs with Rician *** start our analysis by deriving the additive quantization noise model,which helps to understand the effects of ADC resolution on BE by keeping the power constraint at the receiver in *** also investigate deeply the effects of using higher bit rates and the number of BS antennas on bandwidth efficiency(BE)of the *** emphasize that good bandwidth efficiency can be achieved by even using low resolution ADC by using regularized zero-forcing(RZF)combining *** also provide a generic analysis of energy efficiency(EE)with different options of bits by calculating the energy efficiencies(EE)using the achievable *** emphasize that satisfactory BE can be achieved by even using low-resolution ADC/DAC in massive MIMO.

关键词： low-bit analog-digital converter massive(multiple-input-multiple-output)MIMO minimum mean square error(MMSE) regularized zero forcing zero forcing

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Role of targeted neuromodulation in the treatment of congenital unilateral lower lip palsy:A clinical case report

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Chinese Journal of Plastic and Reconstructive Surgery 2024年第3期6卷 139-141页

作者： Hafiz saqib Sikandar Ali Hassan Ameer Hamza Department of Plastic Surgery Gujranwala Medical College Teaching HospitalGujranwalaPunjab52200Pakistan Department of Burns and Plastic Surgery Queen Elizabeth HospitalUniversity of Birmingham TrustsBirminghamB152GWUnited Kingdom Department of Oral and Maxillofacial Surgery Liaquat University of Medical and Health SciencesJamshoro76090Pakistan

Congenital unilateral lower lip palsy(CULLP),or congenital hypoplasia of the depressor anguli oris muscle,also known as asymmetric crying facies,is a rare condition that results in asymmetry of the lower lip during smiling,laughing,and *** the etiology is unknown,weakness of the depressor labii inferioris(DLI)muscle is implicated as a contributing ***,no well-established treatment options are *** case report describes an 18-year-old male patient diagnosed with *** examination revealed a symmetric face at rest,but asymmetry when smiling and opening the *** the administration of lidocaine into the affected DLI muscle,the patient’s smile and lower lip symmetry were immediately restored without any adverse ***,administration of botulinum toxin for neuromodulation of the DLI muscle led to a significant improvement in symmetry and oral function within 2 weeks,which was sustained at 1 month and 3 months *** adverse effects were reported,and both patients and families expressed high satisfaction with the *** case highlights the potential use of neuromodulation as a minimally invasive and effective treatment for CULLP.

关键词： Facial paralysis Botulinum toxin Chemodenervation Asymmetric smile Congenital unilateral lower lip palsy Asymmetric crying facies

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Role of targeted neuromodulation in the treatment of congenital unilateral lower lip palsy: A clinical case report

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Chinese Journal of Plastic and Reconstructive Surgery 2024年第03期 139-141页

作者： Hafiz saqib Sikandar Ali Hassan Ameer Hamza Department of Plastic Surgery Gujranwala Medical College Teaching Hospital Department of Burns and Plastic Surgery Queen Elizabeth Hospital University of Birmingham Trusts Department of Oral and Maxillofacial Surgery Liaquat University of Medical and Health Sciences

Congenital unilateral lower lip palsy(CULLP), or congenital hypoplasia of the depressor anguli oris muscle, also known as asymmetric crying facies, is a rare condition that results in asymmetry of the lower lip during smiling,laughing, and crying. Although the etiology is unknown, weakness of the depressor labii inferioris(DLI) muscle is implicated as a contributing factor. Currently, no well-established treatment options are available. This case report describes an 18-year-old male patient diagnosed with CULLP. Physical examination revealed a symmetric face at rest, but asymmetry when smiling and opening the mouth. Following the administration of lidocaine into the affected DLI muscle, the patient's smile and lower lip symmetry were immediately restored without any adverse effects. Subsequently, administration of botulinum toxin for neuromodulation of the DLI muscle led to a significant improvement in symmetry and oral function within 2 weeks, which was sustained at 1 month and 3months post-treatment. No adverse effects were reported, and both patients and families expressed high satisfaction with the outcomes. This case highlights the potential use of neuromodulation as a minimally invasive and effective treatment for CULLP.

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Research on Iron Loss of Switched Reluctance Starter/Generator for Energy Storage

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Protection and Control of Modern Power Systems 2024年第4期9卷 147-159页

作者： Hao Chen Xing Wang Yongqiang Liu Vuong Dang Quoc Wenju Yan Muhammad saqib Antonino Musolino Guanjun Wang Yong Qi Ali Asghar Memon Alexandros G.Paspatis the Shenzhen Research Institute China University of Mining and TechnologyShenzhen 515100China the School of Electrical Engineering China University of Mining and TechnologyXuzhou 221116China Xinjiang Institute of Engineering Urumqi 830000China the International Joint Research Center of Central and Eastern European Countries on New Energy EV Technology and Equipment Xuzhou 221008China the International Cooperation Joint Laboratory of New Energy Power Generation and EVs of Jiangsu Province Colleges and Universities Xuzhou 221008China the Xuzhou Key Laboratory of New Energy EV Technology and Equipment Xuzhou 221008China the the School of Electrical Engineering China University of Mining and Tech-nologyXuzhou 221116China the Laboratory of High Performance Electric Machines(HiPems) Hanoi VN 10000Viet Nam the University of Engineering and Technology Lahore 54890Pakistan the Department of Energy Pisa Uni-versity of PisaPisa IT 56126Italy the Wuxi Inspection and Testing Certification Research Institute Wuxi 214000China the Nanjing University of Science&Tech-nology Nanjing 210094China the Mehran University of Engi-neering&Technology Jamshoro PK 76062Sindh the National Technical University of Athens Zografou GR 15780Attica

In order to better realize the energy recovery and storage of hybrid EVs(HEVs),a switched reluctance starter/generator(SRS/G)with both starting and power generation functions is investigated in this ***,the iron loss of SRS/G is mainly studied to reduce the motor loss and improve the power generation ***,the energy storage of hybrid EVs can be effectively ***,a magnetic flux density(MFD)waveforms solution method is proposed to solve the difficulty in calculating the iron loss of the SRS/*** with the commonly used finite element method,the proposed solution method has the advantages of simple,fast and small computational ***,considering the different operating conditions of SRS/G,the iron loss models for both the time-domain and frequency-domain are *** addition,the calculation formula of the variable coefficient Bertotti three-term loss separation is *** the hysteresis loss coefficient,the Steinmetz coefficient and the stray loss coefficient are respectively fitted by the Fourier fitting *** method is also applied to solve the iron loss of SRS/***,through an experimental verification,it is indicated that the development of proposed method has high accuracy.

关键词： Switched reluctance starter/generator energy storage iron loss finite element method magnetic flux density(MFD)

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一种优化开关磁阻电机换相区控制策略的高效率转矩分配函数

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电工技术学报 2024年第6期39卷 1671-1683页

作者：杨帆陈昊李晓东 Miguel Pablo Aguirre Muhammad Asghar saqib 中国矿业大学电气工程学院徐州221116 新能源电动车技术与装备中东欧国家国际联合研究中心徐州221008 江苏省高校新能源发电与电动车国际合作联合实验室徐州221008 徐州市新能源电动车技术与装备重点实验室徐州221008 澳门科技大学创新工程学院中国澳门999078 布宜诺斯艾利斯工学院电子工程系布宜诺斯艾利斯B1636 巴基斯坦工程技术大学电气工程系讷瓦布沙阿44000

转矩分配函数被广泛应用于抑制开关磁阻电机的转矩脉动。然而,输入相转矩跟踪不足或者输出相产生较大的负转矩这两种情况通常会导致电机的转矩脉动难以得到有效抑制,并降低电机的运行效率。因此,为了能够有效降低电机的转矩脉动并提高... 详细信息

转矩分配函数被广泛应用于抑制开关磁阻电机的转矩脉动。然而,输入相转矩跟踪不足或者输出相产生较大的负转矩这两种情况通常会导致电机的转矩脉动难以得到有效抑制,并降低电机的运行效率。因此,为了能够有效降低电机的转矩脉动并提高电机的效率,提出了一种新型的转矩分配函数控制策略。在提出的转矩分配函数控制策略中,电机的换相区域分为两个区域。在前一区域中,通过降低输入相转矩分配的比例,可以实现输入相实际转矩快速跟踪参考转矩,电机的转矩脉动有效降低。同时由于在输入相电感变化率较低时减少输入相分配的转矩,从而输入相的峰值电流随之降低,电机的转矩电流比提高。在后一区域中,将输出相的电流在转子对齐位置附近处减小到0,以避免产生较大的负转矩。因此,在所提出的方案下,电机的转矩脉动得到有效抑制,电机的效率也得到了提高。为了验证该方法的有效性,在一台12/8三相开关磁阻电机上进行了仿真和实验。结果表明,所提出的转矩分配函数控制策略能有效降低开关磁阻电机转矩脉动,也能有效地提高开关磁阻电机的运行效率。

关键词：开关磁阻电机转矩分配函数负转矩转矩电流比效率

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Risk of infection with arboviruses in a healthy population in Pakistan based on seroprevalence

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Virologica Sinica 2024年第3期39卷 369-377页

作者： Shengyao Chen Muhammad saqib Hafiz Sajid Khan Yuan Bai Usman Ali Ashfaq Muhammad Khalid Mansoor Abulimti Moming Jing Liu Min Zhou Saifullah Khan Niazi Qiaoli Wu Awais-Ur-Rahman Sial Shuang Tang Muhammad Hassan Sarfraz Aneela Javed Sumreen Hayat Mohsin Khurshid Iahtasham Khan Muhammad Ammar Athar Zeeshan Taj Bo Zhang Fei Deng Ali Zohaib Shu Shen Key Laboratory of Virology and National Virus Resource Center Wuhan Institute of VirologyChinese Academy of SciencesWuhan 430071China University of Chinese Academy of Sciences Beijing 100049China Faculty of Veterinary Science University of Agriculture FaisalabadFaisalabad 38040Pakistan The Children's Hospital Faisalabad 38000Pakistan Department of Bioinformatics and Biotechnology Government College University FaisalabadFaisalabad 38000Pakistan f Department of Microbiology Faculty of Veterinary and Animal SciencesThe Islamia University of BahawalpurBahawalpur 63100Pakistan Hubei Jiangxia Laboratory Wuhan 430200China Key Laboratory of Special Pathogens and Biosafety Wuhan Institute of VirologyCenter for Biosafety Mega-ScienceChinese Academy of SciencesWuhan 430071China Armed Forces Institute of Pathology(AFIP) Rawalpindi 46000Pakistan Department of Clinical Studies Faculty of Veterinary&Animal SciencesPir Mehr Ali Shah Arid Agriculture UniversityRawalpindi 46300Pakistan Institute of Microbiology Government College University FaisalabadFaisalabad 38000Pakistan l Atta-ur-Rahman School of Applied Biosciences National University of Science and TechnologyIslamabad 44000Pakistan Department of Clinical Sciences University of Veterinary and Animal SciencesLahore Sub-campusJhang 35200Pakistan Department of Molecular Pathology National Medical Center DHA Phase 1Karachi 75500Pakistan

Infectious diseases caused by arboviruses are a public health concern in ***,studies on data prevalence and threats posed by arboviruses are *** study investigated the seroprevalence of arboviruses in a healthy population in Pakistan,including severe fever with thrombocytopenia syndrome virus(SFTSV),Crimean-Congo hemorrhagic fever virus(CCHFV),Tamdy virus(TAMV),and Karshi virus(KSIV)based on a newly established luciferase immunoprecipitation system(LIPS)assays,and Zika virus(ZIKV)by enzyme-linked immunosorbent assays(ELISA).Neutralizing activities against these arboviruses were further examined from the antibody positive *** results showed that the seroprevalence of SFTSV,CCHFV,TAMV,KSIV,and ZIKV was 17.37%,7.58%,4.41%,1.10%,and 6.48%,respectively,and neutralizing to SFTSV(1.79%),CCHFV(2.62%),and ZIKV(0.69%)were identified,as well as to the SFTSV-related Guertu virus(GTV,0.83%).Risk factors associated with the incidence of exposure and levels of antibody response were ***,co-exposure to different arboviruses was demonstrated,as thirty-seven individuals were having antibodies against multiple viruses and thirteen showed neutralizing ***,individuals aged40 years,and outdoor workers had a high risk of exposure to *** these results reveal the substantial risks of infection with arboviruses in Pakistan,and indicate the threat from co-exposure to multiple *** findings raise the need for further epidemiologic investigation in expanded regions and populations and the necessity to improve health surveillance in Pakistan.

关键词： Arbovirus Pakistan Seroprevalence Tick-borne virus Mosquito-borne virus

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Sedation reversal trends at outpatient ambulatory endoscopic center vs in-hospital ambulatory procedure center using a triage protocol

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World Journal of Gastrointestinal Endoscopy 2024年第7期16卷 413-423页

作者： saqib Walayat Peter Stadmeyer Azfar Hameed Minahil Sarfaraz Paul Estrada Mark Benson Anurag Soni Patrick Pfau Paul Hayes Brittney Kile Toni Cruz Deepak Gopal Department of Gastroenterology University of IllinoisPeoriaIL 61605United States Department of Gastroenterology University of WisconsinMadisonWI 53792United States Department of Internal Medicine Texas Health DentonDentonTX 76201United States Department of Internal Medicine Allama Iqbal Medical CollegeLahore 042Pakistan Department of Gastroenterology Texas Tech University Health Services CenterEl PasoTX 79911United States Department of Gastroenterology and Hepatology University of WisconsinMadisonWI 53705United States Finance Business Partners UW Health University of WisconsinMadisonWI 53792United States UW Health Digestive Health Center Endoscopy University of WisconsinMadisonWI 53792United States Division of Gastroenterology and Hepatology Department of MedicineUniversity of Wisconsin Hospitals and ClinicsMadisonWI 53705United States

BACKGROUND Routine outpatient endoscopy is performed across a variety of outpatient settings.A known risk of performing endoscopy under moderate sedation is the potential for over-sedation,requiring the use of reversal *** needs to be reported on rates of reversal across different outpatient *** academic tertiary care center utilizes a triage tool that directs higher-risk patients to the in-hospital ambulatory procedure center(APC)for their ***,we report data on outpatient sedation reversal rates for endoscopy performed at an inhospital APC vs at a free-standing ambulatory endoscopy digestive health center(AEC-DHC)following risk stratification with a triage *** To observe the effect of risk stratification using a triage tool on patient outcomes,primarily sedation reversal *** We observed all outpatient endoscopy procedures performed at AEC-DHC and APC from April 2013 to September *** were stratified to their respective sites using a triage *** evaluated each procedure for which sedation reversal with flumazenil and naloxone was *** and characteristics recorded include patient age,gender,body mass index(BMI),American Society of Anesthesiologists(ASA)classification,procedure type,and reason for sedation *** There were 97366 endoscopic procedures performed at AEC-DHC and 22494 at the APC during the study *** these,17 patients at AEC-DHC and 9 at the APC underwent sedation reversals(0.017%vs 0.04%;P=0.06).Demographics recorded for those requiring reversal at AEC-DHC vs APC included mean age(53.5±21 vs 60.4±17.42 years;P=0.23),ASA class(1.66±0.48 vs 2.22±0.83;P=0.20),BMI(27.7±6.7 kg/m^(2) vs 23.7±4.03 kg/m^(2);P=0.06),and female gender(64.7%vs 22%;P=0.04).The mean doses of sedative agents and reversal drugs used at AEC-DHC vs APC were midazolam(5.9±1.7 mg vs 8.9±3.5 mg;P=0.01),fentanyl(147.1±49.9μg vs 188.9±74.1μg;P=0.10),flumazenil(0.3±0.18μg vs 0.17±0.17μg;P=0.13)and naloxo

关键词： Ambulatory care Conscious sedation Endoscopy Colonoscopy Risk assessment Risk factors

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