Yijie Ma

Yantai University

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Shuangyu Liu

Yancheng Institute of Technology

Shuqi Hou

First Affiliated Hospital of Henan University

Qiujuan Ma

First Affiliated Hospital of Henan University

Yujie Lian

First Affiliated Hospital of Henan University

Zilai Chen

Northeast Electric Power University

Xiaochen Zhen

Jiangsu Vocational Institute of Commerce

Yuxuan Zhang

University of Kentucky

Caixia Yu

Chinese Academy of Sciences

Yuan Chao-liang

Gan‐Ji Zhong

Sichuan University

Cooperative Institutions

Chinese Academy of Sciences

Fujian Medical University

University of Chinese Academy of Sciences

First Affiliated Hospital of Fujian Medical University

Institute of Soil Science

Tianjin First Center Hospital

Tianjin Medical University

Sichuan University

Chongqing Normal University

First Affiliated Hospital of Henan University

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Preparation and Characterization of Multilayered High-Density Polyethylene with Tunable Crystalline Structure

Yijie Ma Jiawei Gong Bin Chen Ying Zhang Gan‐Ji Zhong

Characterization

10.2139/ssrn.4866780

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Adsorption of ammonia nitrogen on modified bentonite in waste water

Applied Chemical Industry (2011)

Yijie Ma

The adsorption of ammonia nitrogen in waste water on natural bentonite and modified bentonite,collected from Inner Mongolia was discussed.Results showed that the maximum adsorption capacity of modified bentonite was observed at pH 3.0~7.0 when the initial concentration of ammonia nitrogen was 300 mg/L.The ammonia nitrogen adsorption data on modified bentonite were well fitted by Langmuir and Freundlich isotherm.The ammonia nitrogen adsorption dynamics can be best described by the pseudo first-order and second-order model,chemical and physical adsorption predominated its adsorption process.Modified bentonite can remove ammonia nitrogen in domestic farming waste water with the efficiency of 91.0%.

Bentonite

Langmuir adsorption model

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Design of a Ternary Synergistic Network of Hdpe/Bn/Cnt Composites with an Aligned Shish-Kebab Structure for Enhanced Thermal Conductivity and Tensile Strength

Bin Chen Jiawei Gong Wei Huang Ying Zhang Yijie Ma

Fabricating polymer composites with excellent thermomechanical properties remains a challenge due to the tradeoff between high filler loading and loss of strength. Conventional composites made of randomly oriented lamellae and aggregated fillers fail to construct thermally conductive pathways for filler-filler or filler-crystal contacts. To address this issue, a synergistically ternary network composed of aligned BN and elongated CNT in a shish-kebab structure has been prepared by an in-house Rotation Shear System (RSS). The composite with 20 wt% BN and 5 wt% CNT achieved a high thermal conductivity of 2.37 W/(mK) under shear modification. The tensile strength and Vicat softening temperature of the composite are 2.29 times higher and 21.9 â„ƒ greater than those of unsheared samples. Such superior thermal and mechanical properties are mainly attributed to the interlocking shish-kebab structure, which serves as a support skeleton in composites, where aligned BN and CNT construct a heat-resistant barrier. This work provides an effective strategy to fabricate high thermally conductive composites with excellent mechanical properties, providing new insights into reducing material replacement frequency under extreme operating conditions.

Network Structure

10.2139/ssrn.4457579

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Author response for "Ultrathin 2D NiCo-MOF bimetallic nanosheets as single-atom catalysts for chemoselective hydrogenation of nitroarenes"

Yuxuan Zhang Yijie Ma Yujia Zhao Zi-Yan Wang Caixia Yu

Bimetallic strip

10.1039/d4qi02343a/v2/response1

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Phosphate Adsorption Capabilities of Modified Clay Minerals in Phosphate-Contaminated Water

Fangqun Gan Jianmin Zhou Huoyan Wang Yijie Ma Changwen Du

Phosphate adsorption capabilities of modified clay minerals in water with different phosphate concentrations were investigated.The modified clays were prepared by being activated with hydrochloric acid,thermal and acid-thermal treatments.The results showed that the acid-thermal treated attapulgite had the highest adsorption capabilities,whose removal efficiencies increased by above 30% in water quality of order Ⅴ and less than order Ⅴ,followed by thermal activated attapulgite,then attapulgite modified with 2% hydrochloric acid.All modified bentonite samples had higher adsorption capabilities than natural bentonite.As a whole,thermal treatment was slightly superior to acid activation,but acid-thermal treatment had no better effect on phosphate adsorption capabilities than thermal treatment and acid activation.Thermal treatments evidently improved the adsorption capabilities of kaolinite,also did the acid-thermal treatments,with contrast to acid treatments,which decreased the adsorption capabilities of kaolinite.The results revealed that different modified methods should be choosed,in view of the characteristics of clay minerals,to improve removal efficiencies in water with different phosphate concentrations.

Bentonite

Hydrochloric acid

Thermal Treatment

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Mineral Composition and Weathering of Soils Derived from Xiashu Loess

Deng You-jun Yijie Ma Deyong Yang

Mineralogical, physical and chemical analyses of the soils derived from Xiashu loess were carried out. The primary minerals of these soils were found to be mainly composed of light minerals, such as quartz, feldspar and mica, with traces of heavy minerals. Clay minerals, more complicate in composition, were dominated by hydromica, accompanied by smectite, vermiculite, chlorite, kaolinite, 2:1/1:1 randomly interstratified minerals and small amounts of quartz, goethite, lepidocrocite and hematite, Clay minerals were characterized by low crystallinity and fine particle size. In light of the quartz/ feldspars ratio of the 0.01-0.05mm silt fraction, and the clay mineral composition, the freeness of iron oxide, and the silica/ sesquioxide and silica/ alumina ratios in 0.002mm clay fraction, it is concluded that the weathering intensity of these soils was lower than those of red soil and yellow earth, but higher than that of brown earth, and that the soil allitization, depotassication and hydroxylation of clay minerals increased from west to east and from north to south geographically. However, this general tendency did not coincide exactly with the gradual alteration of the geographic coordinates, and in some places, a reverse tendency also appeared, which could be attributed to the influence of some soil forming factors such as parent material and microtopography.

Silt

Sesquioxide

Vermiculite

Gibbsite

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Surface chemistry properties of colloid in the main soil of China

Yijie Ma Yuan Chao-liang

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Adsorption of Pb~(2+) on Bentonite and major ffecting factors

ACTA SCIENTIAE CIRCUMSTANTIAE (2000)

Guo Kunmei Yijie Ma

Adsorption of Pb 2+ on Bentonite and major affecting factors were studied.The results showed that when the concentration of Pb 2+ was less than 50?mg/L, the natural Bentonite adsorbed Pb 2+ effectively with the moving rate more than 99%. pH value amount of adsorbent, time of reaction and intensity of ion effected the adsorption, but p\|nitrophenol in solution did not affect the adsorption.

Bentonite

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Effects of temperature acclimation on the critical thermal limits and swimming performance of Brachymystax lenok tsinlingensis: a threatened fish in Qinling Mountain region of China

Ecological Research (2016)

Jigang Xia Yijie Ma Cheng Fu Shi‐Jian Fu Steven J. Cooke

Critical thermal maximum

10.1007/s11284-016-1418-z

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Citations (18)

Behavior, metabolism and swimming physiology in juvenile Spinibarbus sinensis exposed to PFOS under different temperatures