Results 1 to 10 of about 1,579,542 (210)

Synthesis of Phosphotungstic acid/S-doped g-C3N4 Photocatalyst and Its Photocatalytic Degradation of Organic Pollutants in Aqueous Solutions

Medžiagotyra, 2022
The S-doped g-C3N4 (SCN) was prepared by thermal condensation method using thiourea as a precursor, and then the phosphotungstic acid (PTA)/SCN composite photocatalytic material was prepared by reflux adsorption method.
Pengxi LI, Zhonghong LIU, Bing YANG, Zhiyong JIANG, Jingjing YANG   +4 more
doaj   +1 more source

Investigation on the mechanism of structural reconstruction of biochars derived from lignin and cellulose during graphitization under high temperature

Biochar, 2023
The structural reconstruction mechanism of lignin and cellulose-derived biochars during direct graphitization under ultra-high temperatures was intensively investigated.
Chao Chen, Kang Sun, Chen Huang, Mengmei Yang, Mengmeng Fan, Ao Wang, Gaoyue Zhang, Bei Li, Jianchun Jiang, Wei Xu, Junli Liu   +10 more
doaj   +1 more source

Effects of Prepolymerization, Temperature, and Hydrogen Concentration on Kinetics of Propylene Bulk Polymerization Using a Commercial Ziegler-Natta Catalyst

Advances in Polymer Technology, 2022
The effects of prepolymerization, temperature, and hydrogen concentration on propylene bulk polymerization with a commercial Ziegler-Natta catalyst were investigated, and the apparent polymerization rate constants were estimated by varying reaction ...
Huiyue Liu, Gaiping Du, Yafeng Du, Dezhan Li, Jiangbo Chen   +4 more
doaj   +1 more source

Quantitative measurement of chain crosslink of poly(butylene succinate-co-terephthalate)(PBST) mulch film during degradation above the soil in cotton growth

Results in Materials, 2023
Degradation of poly (butylene succinate-co-terephthalate) (PBST) mulch film in the vast cotton field in the dry and windy plain has been studied. The films within 3 months' use which were above the soil and far away from the plant were selected collected
Cui Zheng, Xuefei Jia, Minqiao Ren, Chunxia Luo, Juan Li, Xuerong Yao, Xuanbo Liu, Jianhui Song, Guixiang Zhu, Longgui Zhang, Taoyi Zhang   +10 more
doaj   +1 more source

Suspension System Control Based on Type-2 Fuzzy Sliding Mode Technique

Complexity, 2022
This paper presents a new method of intelligent control for vehicle suspension. First, the suspension system is modeled with all the details, and then based on the obtained model, the sliding mode control is designed for it. The controller parameters and
Zheng Wang, Longyi Ran, Bing Kong, Xuezeng Jia, Liya Liu, Jafar Tavoosi   +5 more
doaj   +1 more source

Evaluation of the risk of fracture in type 2 diabetes mellitus patients with incretins: an updated meta-analysis

Endokrynologia Polska, 2021
INTRODUCTION: The effect of incretins including dipeptidyl peptidase 4 inhibitors (DPP4-Is) and glucagon-like peptide1 receptor agonists (GLP1-ras) in the treatment of type 2 diabetes increasing the risk of fracture remains controversial.
Qing-xin Kong, Qiao Ruan, Cheng Fan, Bi-Lin Liu, Li-Ping Reng, Weiping Xu   +5 more
doaj   +1 more source

Synthesis and antibacterial activity of benzimidazole amides based on computer-aided technology [PDF]

BIO Web of Conferences
Benzimidazole compounds are benzoheterocyclic compounds containing 2 nitrogen atoms. These compounds not only have broad-spectrum biological activities such as antihypertensive, antiparasitic, antibacterial and antifungal, but also play a great role in ...
Liu Liya, Zhou Zaifu, Kong Qingxin, Yang Pei, Li Qing   +4 more
doaj   +1 more source

Security risk assessment and protection in the chemical and process industry [PDF]

, 2014
This article describes a security risk assessment and protection methodology that was developed for use in the chemical- and process industry in Belgium. The approach of the method follows a risk-based approach that follows desing principles for chemical
American Petroleum Institute, Arata, Cameron, Dowell, Ellis, Fennelly, Fontaine, Gabbar, Garcia, IAEA (International Atomic Energy Agency), Institute of Security Belgium, Kapp, Landoll, Mannan, Meyer, Norman, Reniers, Reniers, Reniers, Wu   +19 more
core   +1 more source

Adaptive inferential sensors based on evolving fuzzy models [PDF]

, 2010
A new technique to the design and use of inferential sensors in the process industry is proposed in this paper, which is based on the recently introduced concept of evolving fuzzy models (EFMs). They address the challenge that the modern process industry
Angelov, Plamen, Kordon, Arthur
core   +1 more source

Synthesis, structure analysis and antibacterial activity of N-[5-dehydroabietyl-[1,3,4]thiadiazol-2-yl]-aromatic amide derivatives

Journal of Saudi Chemical Society, 2017
A series of N-[5-dehydroabietyl-[1,3,4]thiadiazol-2-yl]-aromatic amide derivatives were synthesized from dehydroabietic acid. Their structures were characterized by IR, 1H NMR, MS, elemental analysis and single crystal X-ray diffraction.
YanJie Cui, XiaoPing Rao, ShiBin Shang, ZhanQian Song, MingGui Shen, He Liu   +5 more
doaj   +1 more source