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| 1 | Decoupling Analysis for a Powertrain Mounting System with a Combination of Hydraulic Mounts显示文摘The existing torque roll axis(TRA) decoupling theories for a powertrain mounting system assume that the stiffness and viscous damping properties are constant. However, real-life mounts exhibit considerable spectrally varying stiffness and damping characteristics, and the influence of the spectrally-varying properties of the hydraulic mounts on the powertrain system cannot be ignored. To overcome the deficiency, an analytical quasi-linear model of the hydraulic mount and the coupled properties of the powertrain and hydraulic mounts system are formulated. The influence of the hydraulic mounts on the TRA decoupling of a powertrain system is analytically examined in terms of eigensolutions, frequency, and impulse responses, and then a new analytical axiom is proposed based on the TRA decoupling indices. With the experimental setup of a fixed decoupler hydraulic mount in the context of non-resonant dynamic stiffness testing procedure, the quasi-linear model of the hydraulic mount is verified by comparing the predictions with the measurement. And the quasi-linear formulation of the coupled system is also verified by comparing the frequency responses with the numerical results obtained by the direct inversion method. Finally, the mounting system with a combination of hydraulic mounts is redesigned in terms of the stiffness, damping and mount locations by satisfying the new axiom. The frequency and time domain results of the redesigned system demonstrate that the torque roll axis of the redesigned powertrain mounting system is indeed decoupled in the presence of hydraulic mounts (given oscillating torque or impulsive torque excitation). The proposed research provides an important basis and method for the research on a powertrain system with spectrally-varying mount properties, especially for the TRA decoupling. | HU Jinfang CHEN Wuwei HUANG He | 2013 | Chinese Journal of Mechanical Engineering2013，26，4： | 6 |
| 2 | Characteristic analysis of wind field and sea wave field over the NW Pacific Ocean显示文摘According to ship observation data over the NW Pacific Ocean during 1950 - 1995. taking 5°×5° grid, the characteristics and variation rule of wind, wave and swell are analyzed. This area is typical monsoon area. In the period of monsoon, the directions of wind, sea wave and swell are roughly consistent. Sea wave of northeasterly is always prevailing in equatorial zone. The monsoon in winter is stronger than in summer, correspondingly, average wave height is higher, and the frequencies of high sea and heavy swell are also bigger. Both of North Indian Ocean and adjacent sea area is also monsoon area, but characteristic is opposite. This paper provides specific data of wind field and wave field and variaton for ship navigation, operation and scientific experiment in the NW Pacific Ocean. | Jinfang Liu(刘金芳) Xiaowei Tang(唐晓卫) Danhua He(何丹华) | 2001 | 海洋预报2001，18，z1： | 5 |
| 3 | Ginseng saponin Rbl enhances hematopoietic function and dendritic cells differentiation显示文摘 | Li Zhang Hui Feng Yibo He Jinfang Zhao Yimin Chen Yonglin Liu | 2017 | Acta Biochimica et Biophysica Sinica2017，49，8： | 3 |
| 4 | Fretting Wear Behavior of Medium Carbon Steel Modified by Low Temperature Gas Multi-component Thermo-chemical Treatment显示文摘The introduction of surface engineering is expected to be an effective strategy against fretting damage. A large number of studies show that the low gas multi-component (such as carbon, nitrogen, sulphur and oxygen, etc) thermo-chemical treatment(LTGMTT) can overcome the brittleness of nitriding process, and upgrade the surface hardness and improve the wear resistance and fatigue properties of the work-pieces significantly. However, there are few reports on the anti-fretting properties of the LTGMTT modified layer up to now, which limits the applications of fretting. So this paper discusses the fretting wear behavior of modified layer on the surface of LZ50 (0.48%C) steel prepared by low temperature gas multi-component thermo-chemical treatment (LTGMTT) technology. The fretting wear tests of the modified layer flat specimens and its substrate (LZ50 steel) against 52100 steel balls with diameter of 40 mm are carried out under normal load of 150 N and displacement amplitudes varied from 2 μm to 40 μm. Characterization of the modified layer and dynamic analyses in combination with microscopic examinations were performed through the means of scanning electron microscope(SEM), optical microscope(OM), X-ray diffraction(XRD) and surface profilometer. The experimental results showed that the modified layer with a total thickness of 60 μm was consisted of three parts, i.e., loose layer, compound layer and diffusion layer. Compared with the substrate, the range of the mixed fretting regime(MFR) of the LTGMTT modified layer diminished, and the slip regime(SR) of the modified layer shifted to the direction of smaller displacement amplitude. The coefficient of friction(COF) of the modified layer was lower than that of the substrate in the initial stage. For the modified layer, the damage in partial slip regime(PSR) was very slight. The fretting wear mechanism of the modified layer both in MFR and SR was abrasive wear and delamination. The modified layer presented better wear resistance than the substrate in PSR and MFR; however, in SR, the wear resistance of the modified layer decreased with the increase of the displacement amplitudes. The experimental results can provide some experimental bases for promoting industrial application of LTGMTT modified layer in anti-fretting wear. | LUO Jun ZHENG Jianfeng PENG Jinfang HE Liping ZHU Minhao | 2010 | Chinese Journal of Mechanical Engineering2010，23，3： | 3 |
| 5 | Rapid and specific isolation of intact mitochondria from Arabidopsis leaves显示文摘Mitochondria carry out many essential metabolic processes, the dynamic of which impacts most aspects of cellular physiology(Balk and Leaver, 2001;Rose and Sheahan, 2012). Therefore, characterizing the real-time metabolism of mitochondria is of great biological significance. | Lilan Luo Yajun He Qian Xu Wenhui Lyu Jijun Yan Peiyong Xin Dahan Zhang Jinfang Chu Jiayang Li Hong Yu | 2020 | Journal of Genetics and Genomics2020，47，1： | 1 |
| 6 | Long-term effects of high lipid and high energy diet on serum lipid, brain fatty acid composition, and memory and learning ability in mice显示文摘 | Huanling Yu Yanxia Bi Weiwei Ma Lingling He Linhong Yuan Jinfang Feng Rong Xiao | 2009 | International Journal of Developmental Neuroscience2009，，3： | 1 |
| 7 | Long-range gene regulation network of the MGMT enhancer modulates glioma cell sensitivity to temozolomide显示文摘Approximately 80%of primary tumors in the central nervous system are malignant glioma,and>50%of those are diagnosed as glioblastoma(GBM),the most aggressive glioma.Despite treatment advances,GBM prognosis is unsatisfying,and the median survival time of patients is only 14-17 months. | Bohan Chen Anshun He Jinfang Bi Shupeng Sun Yiping Ma Wenbin Wang Dianhao Guo Jun Chen Yuyang Qian Tengfei Shi Guohui Nie Zhongfang Zhao Jiandang Shi Hongzhen Yang Lei Zhang Wange Lu | 2021 | Journal of Genetics and Genomics2021，48，10： | 1 |
| 8 | Optimization of several surface treatment processes for alleviating fretting damage of a locking pin显示文摘The operational safety and reliability of a variable gauge train are affected by the anti-fretting wear performance of the locking mechanism.The main purpose of this study is to optimize the surface treatment process for a locking pin material under actual service conditions to alleviate fretting damage.Based on the two basic principles of surface strengthening and friction reduction,a substrate(AISI 4135 steel)surface was treated by laser quenching(LQ),plasma nitriding(PN),and bonded MoS2 coating.Systematic fretting wear tests were conducted,and the wear behavior and damage mechanism of various treated surfaces were comprehensively investigated.The results indicate that the wear resistances of the LQ-and PN-treated surfaces were significantly improved,and their main wear mechanisms were abrasive wear,delamination,and oxidation wear.The MoS_(2) coating exhibits the lowest friction coefficient and energy dissipation due to its self-lubricating property,but it incurs the highest wear rate and failure in the form of plastic deformation.Furthermore,the rough compound layer with a high hardness on the PN-treated surface is conducive to the formation and maintenance of the third-body contact at the fretting interface,consequently resulting in a significant reduction in wear.An optimal surface treatment process for alleviating fretting damage of the locking pin is recommended via comprehensive evaluation,which provides a reference for the anti-fretting protection of related mechanical components. | Jifan HE Zhenbing CAI Yanping REN Jinfang PENG Jianhua LIU Minhao ZHU | 2022 | Friction2022，10，8： | 0 |
| 9 | Inflammatory cytokines,T lymphocyte subsets,and ritonavir involved in liver injury of COVID-19 patients显示文摘Dear Editor,Coronavirus disease 2019(COVID-19)is a type of novel coronavirus and no specific treatment is currently available.Apart from damages to the lung,COVID-19 is also able to trigger liver injury.Numerous observational studies have revealed that elevation of liver enzymes,including alanine aminotransferase(ALT)and aspartate aminotransferase(AST),was detected in some COVID-19 patients,especially in severe cases.1 Unfortunately,the underlying mechanisms and risk factors of COVID-19-induced liver damage have not been completely elucidated.Therefore,identification of novel risk factors in liver injury of COVID-19 patients is essential for the prevention and treatment of liver damage.In this study,192 patients with COVID-19 hospitalized in Chongqing Public Health Center were recruited to identify the risk factors in COVID-19 patients with liver injury. | Shengtao Liao Ke Zhan Li Gan Yang Bai Jinfang Li Guodan Yuan Ying Cai An Zhang Song He Zhechuan Mei | 2020 | Signal Transduction and Targeted Therapy2020，5，1： | 0 |
| 10 | Effect of Straw Mulching on Vineyard Ecology and Fruit Quality of Southern Jiangsu Province显示文摘[Objectives] The ecological environment of orchard has a direct impact on fruit quality,and straw mulching can effectively improve the physicochemical indicators of orchard soil,so as to achieve environmental protection and yield increase.[Methods]Tests were carried out for 3 consecutive years of mulching straw in vineyard of southern Jiangsu Province.[Results]The results showed that mulching straw continuously could effectively improve soil physicochemical properties,weed controlling effect,and the photosynthetic rate of leaves,as well as the yield and quality of grapes.The contents of total nitrogen,available phosphorus,quickacting potassium and organic matter increased up to 91.67%,259.76%,442.39% and 34.30%,respectively.Soil bulk density decreased by 7.15%,and the weed plant control effect reached 87.45%.The increased of fresh weight was up to 93.55%,and the increase of the leaf parenthetical rate was up to 18.24%.The increases of soluble solids content and single grain weight reached up to 8.82% and 12.75%.The rate of dehiscent fruit was decreased by 50.89%.The grape could pick for sale 3 days ahead,and the increase of unit area yield reached up to 13.16%.[Conclusions]Straw mulching cultivation in vineyard is a good model for efficient recycling of crop straw and safe production of quality grape,and it provides a new technical approach for straw utilization,promising with good economic and ecological benefits. | Youmei WANG Jinfang HE Wenzheng ZHANG Honghai ZHANG Junyi FU Zhizhong LYU Qin DONG | 2018 | Agricultural Biotechnology2018，7，6： | 0 |
| 11 | Statement on Establishment of A Provisional Health Based Guidance Value for Dietary Exposure to Cadmium in China显示文摘The National Health Commission of the People’s Republic of China and the State Administration for Market Regulation have issued the National Food Safety Standard(GB2762-2022),which delineates the maximum limits(ML)of contaminants in food.This standard will be implemented on June 30,2023.It currently maintains the ML of cadmium in rice(including unhusked rice,husked rice,polished rice)at 0.2 mg/kg,a value first established 40 years ago in GBn238-1984. | Jinfang Sun Yi Shao Gengsheng He Yongning Wu | 2023 | China CDC weekly2023，5，22： | 0 |
| 12 | Effect of Shoot Control on Flower Bud Differentiation,Flowering,and Fruit Setting in Zanthoxylum armatum DC.显示文摘In this study,newly sprouted shoots of Zanthoxylum armatum(Z.armatum),which were collected after the harvesting period,were used as the primary experimental specimens.A randomized block design and paraffin sectioning method were used to investigate the flower bud differentiation process and the quantity and vitality of buds.Furthermore,the study examined the response of flowering and fruiting to cultivation methods for shoot growth,including layering and plant growth regulator application.The results showed that(a)layering and application of plant growth regulators for Z.armatum accelerated the process of flower bud differentiation by approximately 20 days compared to the control group.Additionally,both shoot control methods generated more and larger bud primordia and perianth primordia during the same differentiation phase.(b)The application of plant growth regulators resulted in well-developed buds,exhibiting higher levels of flower bud differentiation than the layering method.The quality of flower bud formation for both shoot control methods was superior to that of the control group.(c)The flowering phenological period was relatively consistent between the two cultivation methods,but the fruit maturity phase for shoot-controlled trees occurred 20 days earlier than the control group.(d)Both layering and the application of plant growth regulators significantly decreased the rates of unfertilized flower shedding and fruit shedding.However,no significant difference was noted in fruit setting per inflorescence and per flower between the two methods and the control.The effect of altitude for both methods on the fruit setting was not significant.Under both shoot control methods,the Z.armatum exhibited earlier morphological differentiation of flower buds,faster differentiation process,improved flower bud quality,and significantly decreased rates of flower and fruit shedding.Thus,these cultivation methods demonstrated the potential to promote flowering,improve fruit setting,and reduce fruit shedding in Z.armatum. | Xiandang Shen Runxi He Xin Li Zhuogong Shi Jinfang Meng | 2023 | Phyton-International Journal of Experimental Botany2023，92，12： | 0 |
| 13 | Discussion on the limit recovery factor of carbon dioxide flooding in a permanent sequestration scenario显示文摘Based on practices of CO_(2) flooding tests in China and abroad,the recovery factor of carbon dioxide capture,utilization in displacing oil and storage(CCUS-EOR)in permanent sequestration scenario has been investigated in this work.Under the background of carbon neutrality,carbon dioxide injection into geological bodies should pursue the goal of permanent sequestration for effective carbon emission reduction.Hence,CCUS-EOR is an ultimate development method for oil reservoirs to maximize oil recovery.The limit recovery factor of CCUS-EOR development mode is put forward,the connotation differences between it and ultimate recovery factor and economically reasonable recovery factor are clarified.It is concluded that limit recovery factor is achievable with mature supporting technical base for the whole process of CCUS-EOR.Based on statistics of practical data of CO_(2) flooding projects in China and abroad such as North H79 block CO_(2) flooding pilot test at small well spacing in Jilin Oilfield etc.,the empirical relationship between the oil recovery factor of miscible CO_(2) flooding and cumulative CO_(2) volume injected is obtained by regression.Combined with the concept of oil production rate multiplier of gas flooding,a reservoir engineering method calculating CO_(2) flooding recovery factor under any miscible degree is established by derivation.It is found that when the cumulative CO_(2) volume injected is 1.5 times the hydrocarbon pore volume(HCPV),the relative deviation and the absolute difference between the recovery percentage and the limit recovery factor are less than 5%and less than 2.0 percentage points respectively.The limit recovery factor of CCUS-EOR can only be approached by large pore volume(PV)injection based on the technology of expanding swept volume.It needs to be realized from three aspects:large PV injection scheme design,enhancing miscibility degree and continuously expanding swept volume of injected CO_(2). | LIAO Guangzhi HE Dongbo WANG Gaofeng WANG Liangang WANG Zhengmao SU Chunmei QIN Qiang BAI Junhui HU Zhanqun HUANG Zhijia WANG Jinfang WANG Shengzhou | 2022 | Petroleum Exploration and Development2022，49，6： | 0 |
| 14 | Soybeanβ-conglycinin and glycinin reduced growth performance and the intestinal immune defense and altered microbiome in juvenile pearl gentian groupers Epinephelus fuscoguttatus♀×Epinephelus lanceolatus♂显示文摘The utilization efficiency of soy protein is affected by its 2 anti-nutritional substancesdthe antigens bconglycinin and glycinin.This study investigated their effects on the growth performance,intestinal immune defense,andmicrobiome in juvenile pearl gentian groupers(Epinephelus fuscoguttatus♀×Epinephelus lanceolatus♂).Three isonitrogenous and isolipidic diets were formulated containing fishmeal supplemented with 70 g/kgβ-conglycinin or 100 g/kg glycinin,or no supplementation(control).Each experimental diet was fed to quadruplicate groups with 30 fish in each tank for 8 weeks.Dietary inclusion of eitherβ-conglycinin or glycinin significantly reduced weight gain and specific growth rates,and cell proliferation of the distal intestine.Histological evaluation of the intestine tract revealed the inflammation signs,characterized by reducing of plica height and width as well as the number of the goblet cells,and widening of the lamina propria.The group fed theβ-conglycinin diet had reduced lysozyme activity,contents of immunoglobulin M and complements 3 and 4.Increased activities of caspase-3 and-9 were observed in the group fed the bconglycinin diet compared to the other 2 groups.In the intestinal microbiota,the relative abundances of the potentially pathogenic genera Photobacterium and Vibrio were significantly higher in the glycinin group than those in others.Therefore,the existence of soybean antigens(β-conglycinin or glycinin)could damage the structural integrity of the intestine,reduce immune defense,reshape the intestinal microbiome and,ultimately,impair growth in fish. | Yuanfa He Jinfang Liang Xiaohui Dong Hongyu Liu Qihui Yang Shuang Zhang Shuyan Chi Beiping Tan | 2022 | Animal Nutrition2022，，2： | 0 |
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