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Effects of Machine Parameter and Natural Factors on the Productivity of Loading and Haulage Equipment

Journal of Minerals and Materials Characterization and Engineering 2018年第1期6卷 139-153页

作者： Martin Itoolwa Kulula jide Muili Akande Department of Mining and Metallurgical Engineering University of Namibia Windhoek Namibia

The purpose of this research is to investigate the factors which affect the performance of the loading and hauling equipment at Skorpion zinc mine, Namibia and also to find possible solutions to eliminate them, so that the weekly Zinc Oxide and ex-pit waste tonnages required could be produced. This is due to the high demand of Zinc on the market. The investigation on road conditions was focused on the effects of rolling resistance, grade resistance and road widths from the road between bench 540 in pit 103 to the Zinc oxide medium grade stockpile. Cycle time data were obtained by time and motion study of the load/haul/dump cycle from bench 540 loading site to the stockpile. The data used for equipment matching by queuing theory (excel modelling) was obtained when the loaders where loading Arkose at different loading sites. The effects of different weather conditions i.e. mist, rain and wind on production where determined by collecting actual shift production tonnages and comparing with target shift production targets during this conditions. The results produced from time and motion studies show that the haul trucks have an average availability of 80.4% and utilization at 49.7% which are very low when compared to the benchmark value of 89% and 69% for availability and utilization respectively. Decline in performance time is caused by factors such as daily safety meetings, lunch breaks, blasting, tools break down and the daily machine service. Rolling resistance is also one of the factors affecting production time at the mine. The rolling resistance of different segments was determined by roughness defect scores (RDS). From calculations, it is clearly seen that if the RR could be reduced to 2% on every road segment, then each cycle period per truck can be reduced by 1.24 minutes. This will increase the production of the haulers and decrease the operating cost. It was recommended that the wearing course of the road surface be treated with a bitumen based dust suppressi

关键词： Utilization Rolling Resistance Productivity Equipment Matching Uniaxial Compressive Strength Weather Conditions

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Ketogenic diet alleviates colitis by reduction of colonic group 3 innate lymphoid cells through altering gut microbiome

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Signal Transduction and Targeted Therapy 2021年第5期6卷 1573-1584页

作者： Cheng Kong Xuebing Yan Yongqiang Liu Linsheng Huang Yefei Zhu jide He Renyuan Gao Matthew F.Kalady Ajay Goel Huanlong Qin Yanlei Ma Department of Gastrointestinal Surgery Shanghai Tenth People's HospitalTongji UniversityShanghaiChina Research Institute of Intestinal Diseases Tongji University School of MedicineShanghaiChina Department of Cancer Biology Lerner Research InstituteCleveland ClinicClevelandOHUSA Department of Oncology Affiliated Hospital of Yangzhou UniversityYangzhou UniversityYangzhouChina sDepartment of Coloreaal Surgery Digestive Disease and Surgery InstituteCleveland ClinicClevelandOHUSA Department of Molecular Diagnostics and Experimental Therapeutics Beckman Research Institute of City of Hope Comprehensive Cancer CenterDuarteCAUSA Department of Oncology Shanghai Medical CollegeFudan UniversityShanghaiChina Department of Colorectal Surgery Fudan University Shanghai Cancer CenterShanghaiChina

Accumulating evidence suggests that ketogenic diets(KDs)mediate the rise of circulating ketone bodies and exert a potential antiinflammatory effect;however,the consequences of this unique diet on colitis remain *** performed a series of systematic studies using a dextran sulfate sodium(DSS)animal model of inflammatory *** were fed with a KD,low-carbohydrate diet(LCD),or normal diet(ND).Germ-free mice were utilized in validation *** tissues were analyzed by transcriptome sequencing,RT2 profiler PCR array,histopathology,and *** samples were analyzed by metabolic assay *** samples were analyzed by 16S rRNA gene sequencing,liquid chromatography-mass spectrometry and gas chromatography-mass *** observed that KD alleviated colitis by altering the gut microbiota and metabolites in a manner distinct from *** diet experiments confirmed the unique impact of KD relative to LCD with a reproducible increase in Akkermansia,whereas the opposite was observed for Escherichia/*** colitis induction,the KD protected intestinal barrier function,and reduced the production of R0Ryt+CD3_group 3 innate lymphoid cells(ILC3s)and related inflammatory cytokines(IL-17a,IL-18,IL-22,Ccl4).Finally,fecal microbiota transplantation into germ-free mice revealed that the KD-mediated colitis inhibition and ILC3 regulation were dependent on the modification of gut *** together,our study presents a global view of microbiome-metabolomics changes that occur during KD colitis treatment,and identifies the regulation of gut microbiome and ILC3s as novel targets involving in IBD dietary therapy.

关键词： colitis lymphoid consequences

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Research Progress of Echocardiography Combined with Blood Related Detection Indexes in the Diagnosis and Treatment of Kawasaki Disease in Children

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Natural Science 2022年第6期14卷 235-240页

作者： Yongkang Li jide Huang Guosheng Su Lihua Qin Baise Maternal and Child Health Hospital Baise China People’s Hospital of Guangxi-ASEAN Economic Development Zone (The 10th People’s Hospital of Nanning) Nanning China

Aim: To explore the research progress of echocardiography combined with blood-related detection indicators in the diagnosis and treatment of Kawasaki disease in children. By collecting relevant literature reports, echocardiography and several blood-related detection indicators such as SAA, IL-6, PCT and CRP were screened out. It has good clinical application value in the clinical diagnosis and treatment of Kawasaki disease in children, but there is no report on the application of echocardiography combined with blood SAA, IL-6, PCT and CRP detection in the diagnosis and treatment of Kawasaki disease in children. The author intends to explore the role of echocardiography combined with blood SAA, IL-6, PCT and CRP detection in the diagnosis and treatment of Kawasaki disease in children, hoping to achieve better results.

关键词： Echocardiography Kawasaki Disease in Children Serum Amyloid A (SAA) Interleukin-6 (IL-6) Procalcitonin (PCT) C-Reactive Protein (CRP)

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Automatic Recognition of Analog Modulated Signals Using Artificial Neural Networks

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Computer Technology and Application 2011年第1期2卷 29-35页

作者： jide Julius Popoola Rex Van Olst Centre for Telecommunications Access and Services School of Electrical and Information Engineering University of theWitwatersrand Johannesburg 2050 South Africa

This paper presents work on modulated signal recognition using an artificial neural network （ANN） developed using the Python programme language. The study is basically on the analysis of analog modulated signals. Four of the best-known analog modulation types are considered namely： amplitude modulation （AM）, double sideband （DSB） modulation, single sideband （SSB） modulation and frequency modulation （FM）. Computer simulations of the four modulated signals are carried out using MATLAB. MATLAB code is used in simulating the analog signals as well as the power spectral density of each of the analog modulated signals. In achieving an accurate classification of each of the modulated signals, extensive simulations are performed for the training of the artificial neural network. The results of the study show accurate and correct performance of the developed automatic modulation recognition with average success rate above 99.5%.

关键词： Automatic modulation recognition modulation schemes features extraction key artificial neural network (ANN).

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基于傅里叶变换的多联机空调负荷提取及预测方法

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暖通空调 2024年第5期54卷 53-57页

作者：宋文杰林欣怡张恒田喆牛纪德夏兴祥车闫瑾天津大学天津青岛海信日立空调系统有限公司青岛

多联机空调实际制冷量通常不等同于房间真实的空调负荷需求,导致基于数据驱动的负荷预测模型的预测效果往往较差。本文提出了一种基于傅里叶变换的从实际制冷量数据中提取空调真实负荷数据的方法。案例预测结果表明,该方法能够有效提取... 详细信息

多联机空调实际制冷量通常不等同于房间真实的空调负荷需求,导致基于数据驱动的负荷预测模型的预测效果往往较差。本文提出了一种基于傅里叶变换的从实际制冷量数据中提取空调真实负荷数据的方法。案例预测结果表明,该方法能够有效提取空调负荷数据,并能将基于人工神经网络的超短期空调负荷预测模型精度提升10.94%。

关键词：多联机空调制冷量负荷预测数据驱动傅里叶变换

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Analysis on Some Physical and Chemical Properties of Oreke Dolomite Deposit

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Journal of Minerals and Materials Characterization and Engineering 2013年第2期1卷 33-38页

作者： jide Muili Akande Sunday Ayodele Agbalajobi Department of Mineral Resources Engineering Kwara State Polytechnic Ilorin Nigeria Department of Mining Engineering Federal University of Technology Akure Nigeria

The suitability of Oreke dolomite in Kwara State, Nigeria as a raw material for the manufacturing of refractories was investigated. The Oreke dolomite samples were mingled with feldspar, clay, and quartz to form a blend. The fifteen (15) Blend samples were moulded and analyzed for their chemical, physical and mechanical properties. The characterization was carried out in accordance with American Society of Testing and Material (ASTM). The blend samples were tested for various refractory properties such as bulk density, porosity, cold crushing strength, linear shrinkage, refractoriness and others like water absorption and compressive strength. The chemical composition of the Blend was determined, using X-Ray Fluorescence Spectrometer and the result shows that Silica is 60%, Alumina is 11.5%, Iron Oxide is 0.48%, Calcium Oxide is 10%, Magnesium is 6.4%, Alkali is 10.4%, and Loss of Ignition of the sample is 15.28%. The addition of 10%-12% quart contents with dolomite of 20%-25% contents complements the percentage of silica in the blend thereby improving the properties of the blend. The strength characterization shows that the Compressive Strength (mean value) of the blend samples is 5.65 N/m2 with respect firing temperature. The strength classification varies between medium to high and was found to satisfy the allowable standard values for the production of refractory wares.

关键词： Dolomite Quartz Feldspar Clay Deposit Blend Refractories Composition

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CO2 in Water Emulsion Templated Macroporous Ionic Superadsorbent Monolith: Application for Dyes Removal

CO2 in Water Emulsion Templated Macroporous Ionic Superadsor...

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中国化学会第十七届全国胶体与界面化学学术会议

作者： Yunxia Zhang jide Wang Liqin Cao The Key Laboratory of Oil and Gas Fine Ministry of Education ＆ Xinjiang Uygur Autonomous RegionSchool of Chemistry and Chemical EngineeringXinjiang University

In this study, PVA was used to stabilize carbon dioxide in water as HIPE template to generate green, sulfonated, and highly adsorpptive macroporous monolith. The random copolymerization of N-hydroxyethyl acrylamide and styrene sulfonate is initiated in the aqueous phase by persulfate. The chemical composition of the sulfonated monolith was confirmed by FT-IR, EDS, and the interconnected pore structure was confirmed by SEM, the result showed the void sizes were 47-92 μm, and the interconnected pore throats were approximately 10-30 μm. The mechanical properties of the poly（Styrene sulfonate-co-N-hydroxyethyl acrylamide）HIPE were also evaluated by static compression. Such a Hydrophilic, anionic macroporous material is used for adsorption, adsorptive capacities of poly（Styrene sulfonate-co-N-hydroxyethyl acrylamide）HIPE to cationic dyes were studied, which exhibits an excellent adsorption performance for MG and MB. And the maximum adsorption capacity of the monolith for MB and MG reached 2624 mg/g, 1316 mg/g in 0.5-0.8 g/L dye solution at 25 oC, respectively. Furthermore, both kinetics and thermodynamic parameters of the adsorption process were obtained. Experimental data exhibited an endothermic spontaneous adsorption process and kinetically followed the pseudo-second order model. And the removal rates of MG and MB were both greater than 90% after six regeneration experiments. And the adsorption mechanism of the adsorbent were certified preliminaryly. Finally, the dynamic adsorption operation of MB was carried out in a fixed column, and the effects of different flow rates, different column heights and different initial concentrations on the breakthrough curve were discussed, In order to obtain more useful experimental parameters, the experimental data were fitting using Thomas and BDST models. This result showed that the adsorptive sulfonated macroporous monolith has potential industrial application.

关键词： CO2/W emulsion template monolith dynamic adsorption breakthrough curve

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Toll-like receptors,a double-edged sword in immunity to malaria

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Journal of Medical Colleges of PLA(China) 2009年第2期24卷 118-124页

作者： Chen jide He Ying Xu Wenyue Huang Fusheng Department of Pathogenic Biology College of Basic Medical Sciences Third Military Medical University Chongqing 400038 China Department of Clinical Laboratory Chongqing Public Health Hospital Center Chongqing 400036 China

Toll-like receptors(TLRs) are a central component of innate immune system and play a major role as the initiator of the innate immune responses to defend against bacteria,viruses,parasite and other *** malaria infection,TLRs signaling pathways are initialed with the recognition of Plasmodium glycosylphosphatidylinositols(GPI) and hemozoin as pathogen-associated molecular patterns(PAMPs).And then,activation of TLRs signaling induces specific biological responses against malaria parasites ***,TLRs are also involved in malaria pathogenesis and enhancement of immune tolerance and evasion for malaria ***,malaria parasites regulate selectively TLRs expression on immune ***,these evidences indicated that TLRs have contrary roles on malaria *** the complicated roles of TLRs on malaria infection will contribute us to design more effective anti-malaria drugs or vaccines.

关键词： Toll-like receptors Innate immunity Malaria Plasmodium

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Off-axis three-mirror reflective zoom system based on freeform surface

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Frontiers of Optoelectronics 2016年第4期9卷 609-615页

作者： Guijuan XIE Jull CHANG Ke ZHANG jide ZHOU Yajun NIU School of Optoeleetronies Beijing Institute of Technology Beijing 100081 China

A reflective optical system is not affected by chromatic aberration, so it has a wide range of applications. Based on the design theory of reflective zoom system with three mirrors, this paper presents the simulation, optimiza- tion, and image quality evaluation of the traditional off- axis three-mirror zoom system and freeform off-axis three- mirror reflective zoom system.. In these systems, the optical design was aided by software CODEV. Through the analysis of aberrations and structural performance for the traditional aspherical off-axis three-mirror system, the freeform surface was introduced to the tertiary mirror to improve the balance capacity for optical aberrations. This off-axis three-mirror reflective zoom system based on freeform surface could provide technical reference to the study of such systems.

关键词： off-axis system design three-mirror reflectivezoom system freeform surface optical design

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Design of four mirror inverted telephoto zoom system

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Frontiers of Optoelectronics 2016年第4期9卷 599-608页

作者： Jun CHANG Guijuan XIE Lifei ZHANG Yao XU jide ZHOU Shengyi YANG School of Optoelectronic Beijing Institute of Technology Beijing 100081 China School of Physics Beijing Institute of Technology Beijing 160081 China

A novel inverted telephoto four mirror zoom system with large field of view （FOV） was designed over a wide specWal bandwidth. The initial configuration of the zoom system was obtained by applying the aberration equations under certain constraints. Then, a method was presented to correlate the aspheric coefficients with the aberrations of this system. By using this method, the required image quality could be achieved after optimiza- tion using the ZEMAX Optical Design Code. Besides good image quality, another benefits of using this system is the potential for using cheap optics.

关键词： geometric optical design aberration compen-sation lens system design reflective zoom

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