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Wyszukujesz frazę "Qu, G." wg kryterium: Autor


Wyświetlanie 1-3 z 3
Tytuł:
Improvements in timber production of Chinese fir (Cunninghamia lanceolata) per unit forest area in China via tree breeding: Status and challenges
Autorzy:
Zhou, B.
Peng, D.
Zhao, Q.
Yangnan, S.
Yang, S.
Yang, F.
Qu, G.
Tang, W.
Ou, J.
Xiang, W.
Xiang, J.
Deng, X.
Powiązania:
https://bibliotekanauki.pl/articles/2077649.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
Cunninghamia lanceolata
genetic improvement
timber volumes per unit forest area
wood properties
proposals
recommendations
Opis:
Chinese fir [Cunninghamia lanceolata (Lamb.) Hook] is a fast-growing tree species that is widely planted for timber production in southern China. Many high-quality breeding systems for Chinese fir have been developed using genetic methods. Here, we systematically review progress in increasing Chinese fir timber volumes per unit forest area in China, using genetic methods. We comprehensively assess the objec- tives, strategies, and primary accomplishments of the first to fourth generations of a Chinese fir breeding program. Furthermore, we propose a genetic improvement program and protocol for Chinese fir, and out- line several recommendations with respect to the main challenges associated with using genetic methods to increase timber yields. Finally, we present a series of proposals to increase Chinese fir timber production in China. This review offers insight into genetic improvements that have increased timber volumes of Chi- nese fir over four generations of breeding, and provides direction for future genetic improvements to wood properties.
Źródło:
Dendrobiology; 2020, 83; 43-51
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Facile Synthesis of 3,3'-Dinitro-5,5'-diamino-bi-1,2,4-triazole and a Study of Its Thermal Decomposition
Autorzy:
Ma, Q.
Lu, H.
Qu, Y.
Liao, L.
Li, J.
Fan, G.
Chen, Y.
Powiązania:
https://bibliotekanauki.pl/articles/358272.pdf
Data publikacji:
2017
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
Tematy:
3,3’-dinitro-5,5’-diamino-bi-1,2,4-triazole
facile synthesis
DSC-TG
RSFTIR
TG-IR
thermolysis
Opis:
3,3’-Dinitro-5,5’-diamino-bi-1,2,4-triazole (DABNT) was synthesized by a facile method and its crystalline density was determined as 1.839 g·cm−3 at 293(2) K by X-ray diffraction. Its thermal decomposition kinetics and mechanism were studied by means of differential scanning calorimetry-thermogravimetry (DCS-TG), in situ thermolysis by rapid-scan Fourier transform infrared spectroscopy (RSFTIR) and simultaneous TG-IR technology. The results showed that the apparent activation energies obtained by the Kissinger, Ozawa and Starink methods were 122.9 kJ·mol−1, 123.2 kJ·mol−1 and 123.5 kJ·mol−1, respectively. The thermodynamic parameters of ΔS≠, ΔH≠ and ΔG≠ were −37.5 J·K−1·mol−1, 118.4 kJ·mol−1 and 138.7 kJ·mol−1, respectively. The decomposition reaction process of DABNT starts with the transformation from a primary amine to a secondary amine and then the loss of one nitro-group from the DABNT structure. Gaseous products, such as N2O and H2O, were detected from decomposition in the range of 50-300 °C. Density functional theory (DFT) calculations were further employed to illustrate the decomposition mechanism. The above-mentioned information on the synthesis and thermal behaviour is quite useful for the scale-up and evaluation of the thermal safety of DABNT.
Źródło:
Central European Journal of Energetic Materials; 2017, 14, 2; 281-295
1733-7178
Pojawia się w:
Central European Journal of Energetic Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of Ageratina adenophora on hepatic and pulmonic pathological lesions in horses
Autorzy:
Gu, X.L.
Dai, F.Y.
Xiao, X.
Li, G.Z.
Zhang, L.M.
Qu, W.J.
Powiązania:
https://bibliotekanauki.pl/articles/2087129.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Ageratina adenophora
liver
lung
horse
toxicity
Źródło:
Polish Journal of Veterinary Sciences; 2021, 24, 4; 611-613
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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