Results 1 to 10 of about 679,608 (305)

Effect of Distillation Time on the Yield and Chemical Composition of Leaf Essential Oil from Abies koreana [PDF]

Plants
Distillation time (DT) is a key parameter influencing yield and chemical composition, and its optimisation is crucial for production. This study is the first laboratory-scale investigation of the effect of distillation time (DT) on the leaf essential ...
Chanjoo Park, Nahyun Kim, Soo-Kyeong Jang, Mi-Jin Park   +3 more
doaj   +2 more sources

Relationship of H/D and crown ratio and tree growth for Chamaecyparis obtusa and Cryptomeria japonica in Korea

Forest Science and Technology, 2021
This study was conducted to suggest the necessity of regulated stand density control in order to maintain the ratio of height to diameter at breast height (H/D ratio) of Hinoki cypress (Chamaecyparis obtusa) and Japanese cedar (Cryptomeria japonica) in ...
JinTaek Kang, Chiung Ko, Sun-Jeoung Lee, Jong-Su Yim, Ga-Hyun Moon, Sung Hyun Lee   +5 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

Optimization for Green Path in Wood Extractives by Taguchi Analysis

Drvna Industrija, 2022
Extractive composition of Pinus pinaster (Maritime pine) wood was studied with choline chloride based deep eutectic solvents (DES). Two different eutectic mixtures (ChCl: Et-Gly; ChCl:Urea 1:2 molar ratio), two different extraction methods (hot water ...
Ayben Kilic-Pekgözlü, Esra Ceylan, Ayhan Gencer, Rifat Kurt   +3 more
doaj   +1 more source

Isolation, Characterization, Antioxidant Activity, Metal-Chelating Activity, and Protein-Precipitating Capacity of Condensed Tannins from Plum (Prunus salicina) Fruit

Antioxidants, 2022
The type of polymeric condensed tannins from plum fruit (Prunus salicina) (PCT), the degree of polymerization and the distribution of polymers were characterized by MALDI-TOF MS and NMR spectroscopy. The metal-binding capacity of PCT with five metal ions
Liangliang Zhang, He Zhang, Lihua Tang, Xinyu Hu, Man Xu   +4 more
doaj   +1 more source

Corporate Distress Prediction Using Random Forest and Tree Net for India [PDF]

, 2020
The paper deals with the Random Forest, a popular classification machine learning algorithm to predict bankruptcy (distress) for Indian firms. Random Forest orders firms according to their propensity to default or their likelihood to become distressed ...
Gupta, Sanjeev, Kumar, Kuldeep, Kumar, Nitin, Shrivastava, Arvind   +3 more
core   +1 more source

Evaluation of the Factors Affecting Opening-Closing Performance of Wooden Cabinet Doors

BioResources, 2023
This study determined the deflection performance of wooden cabinet doors during opening and closing by using different material types, opening-closing angle, and load force. The independent variables consisted of material type, opening-closing angle, and
Emine Seda Erdinler, Sedanur Seker, Ender Hazır, Kucuk Huseyin Koc   +3 more
doaj   +2 more sources

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

Comparison of Soda, Kraft, and DES Pulp Properties of European Black Poplar

Drvna Industrija, 2022
Kraft pulping as the dominant pulping method contributes to several environmental problems. To overcome these problems, environmentally friendly pulping methods have been investigated. In the last years, deep eutectic solvents (DESs) have been identified
Sezgin Koray Gülsoy, Ülkü Burcu Gitti, Ayhan Gençer   +2 more
doaj   +1 more source

Construction of the hierarchical porous biochar with an ultrahigh specific surface area for application in high-performance lithium-ion capacitor cathode

Biochar, 2023
Biochar with a highly accessible specific surface area can display a higher performance when it is used as the cathode of lithium-ion capacitors. Facing the complex composition and diversity of biomass precursors, there is a lack of a universally ...
Haotian Zhu, Jiayuan Li, Dichao Wu, Gaoyue Zhang, YunJuan Sun, Ao Wang, Kang Sun   +6 more
doaj   +1 more source