Autor: Li, P. H. - Prolib Integro

Skocz do pozycji: 1.

Autorzy:: Agondi, R. C.
Campos, R.
Bouillet, L.
Fomina, D.
Wedi, B.
Ben‐Shoshan, M.
Abuzakouk, M. M.
Santucci, A.
Magerl, M.
Sousa Pinto, B.
Veleiro Perez, B.
Gelincik, A.
Salman, A.
Valle, S.
Guidos Fogelbach, G.
Geng, S.
Kapp, A.
de Montjoye, L.
Godse, K.
Fukunaga, A.
Carne, E.
Popov, T.
Doutre, M. S.
Medina, I.
Calderon, O.
Craig, T.
Tsatsou, F.
Stevanovic, K.
Conlon, N.
Kinaciyan, T.
Choo, K.
Schliemann, S.
Staevska, M.
Zeyen, C.
Kuprys‐Lipinska, I.
Christoff, G.
Ogueta Canales, I.
Yosipovitch, G.
Pereira, M. P.
Riedl, M.
Maruta, C. W.
Marzano, A. V.
Pigatto, P. D.
Karam, M.
Çetinarslan, T.
Elmariah, S.
Stingeni, L.
Alangari, A. A.
Gonçalo, M.
Xepapadaki, P.
Rosmaninho, I.
Cerecedo, I.
Zhao, Z.
Criado, P.
Buttgereit, T.
Micallef, D.
Sheikh, F.
Brockow, K.
Heuer, R.
Hide, M.
Nast, A.
Yap, E. W. Y.
Ertaş, R.
Saleh Al Sabbagh, F.
Konstantinou, G. N.
Valerieva, A.
Toubi, E.
De Arruda Chaves, E.
Pawankar, R.
Darlenski, R.
Sahiner, U. M.
Ciupka, K.
Guillod, R.
Giménez‐Arnau, A. M.
Su Küçük, Ö.
Grattan, C.
Bindslev‐Jensen, C.
Kumaran, M. S.
Danilycheva, I.
Podder, I.
Chkhikvadze, N.
Sabato, V.
Costa, C.
Al‐Tamemi, S.
Pennitz, A.
Lazaridou, E.
Kulthanan, K.
Francescantonio, I.
Grosber, M.
Sussman, G.
Hoetzenecker, W.
Labrador, M.
Kolacinska‐Flont, M.
Doorn, M. v.
Metz, M.
Rutkowski, K.
Kolkhir, P.
Turk, M.
Elkhalifa, S.
Alonso Bello, C. D.
Larenas‐Linnemann, D.
Abdul Hameed Ansari, Z.
Bonnekoh, H.
Ratti Sisa, H. A.
Brzoza, Z.
Munoz, M.
Guilarte, M.
Schmid‐Grendelmeier, P.
Szegedi, A.
Thomsen, S. F.
Peter, J.
Bangert, C.
Gotua, M.
Shendi, H.
Xiang, Y.
Alves Marcelino, J.
Caballero, T.
Werner, R. N.
Oude Elberink, H. N. G.
Galvan Calle, C. A.
Zuberbier, T.
Soria, A.
Staubach, P.
Recto, M.
Fok, J. S.
Rosario Filho, N.
Parisi, C.
Teovska Mitrevska, N.
Vestergaard, C.
Zalewska‐Janowska, A. Z. J.
Li, P. H.
Ye, Y.‐M.
Ress, K.
Rudenko, M.
Kocatürk, E.
Özkaya, E.
Al Wahshi, H.
Chong‐Neto, H. J.
Khoshkhui, M.
Orfali, R. L.
Okas, T.‐L.
Fachini Jardim Criado, R.
Asero, R.
Altrichter, S.
Sonomjamts, M.
Takahagi, S.
Chu, C.‐Y.
Kessel, A.
Vadasz, Z.
Alhameli, H.
Arnaout, R.
Kang, H.‐R.
Nakonechna, A.
Vera Ayala, C. E.
Makris, M.
Rukhadze, M.
Kim, B.
El‐Shanawany, T.
Porębski, Grzegorz
Salvo, F.
Latysheva, E.
Kosnik, M.
Ballmer‐Weber, B.
Boccon‐Gibod, I.
Agcaoili‐De Jesus, M. S.
Garcia, E.
Cancian, M.
Katelaris, C. H.
Krasowska, D.
Al‐Ahmad, M.
Vieira, R. J.
Yong, P.
Hamelmann, E.
Hayama, K.
Kaplan, A.
Meshkova, R.
Pyatilova, P.
Inomata, N.
Netchiporouk, E.
Stephan, M.
Sanchez, J.
Bulkhi, A.
Ebo, D.
Bulatović Ćalasan, M.
Nasr, I.
Tanaka, A.
Serpa, F.
Ensina, L. F.
Hawkes, J.
Saini, S.
Ferrucci, S.
Stobiecki, Marcin
Bizjak, M.
Mortz, C. G.
Lippert, U.
Sekerel, B. E.
Ridge, K.
Alshareef, S.
Bygum, A.
Ritchie, C.
Aquilina, S.
Nettis, E.
Mohammed Ali, R.
Bernstein, J.
Castor, M. A.
Abdul Latiff, A. H.
Kasperska‐Zajac, A.
Nieto, S.
Siebenhaar, F.
Larco, J. I.
Gáspár, K.
Cherrez‐Ojeda, I.
Bauer, A.
Fouda, G.
Petkova, E.
Ferrer, M.
Fonacier, L.
Ramon, G. D.
Araújo, M.
Sheikh, J.
Lima, H.
Du‐Thanh, A.
Dostawca treści:: Repozytorium Uniwersytetu Jagiellońskiego

Artykuł

na półce

Skocz do pozycji: 2.

Tytuł:: Surfactant Effect on Synthesis of Nanocrystalline La$\text{}_{x}$Sr$\text{}_{1-x}$MnO$\text{}_{3}$ by Hydrothermal Method
Autorzy:: Sin, W. L.
Wong, K. H.
Li, P. Li.
Tematy:: 75.47.Lx
82.70.Uv
61.10.Nz; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Powiązania:: https://bibliotekanauki.pl/articles/2047246.pdf Link otwiera się w nowym oknie
Opis:: Crystalline La$\text{}_{x}$Sr$\text{}_{1-x}$MnO$\text{}_{3}$ was prepared by a hydrothermal route in the presence of surfactant. The cationic surfactant of cetyltrimethylammonium bromide as a template is used to regulate the nucleation and crystal growth. The as-synthesized product was characterized by X-ray diffraction and transmission electron microscopy. Nanosized and uniform rod-like monocrystals of La$\text{}_{x}$Sr$\text{}_{1-x}$MnO$\text{}_{3}$ were obtained. Their magnetic properties were studied using a vibrating sample magnetometer. Our results reveal that the use of surfactant helps to lower the processing temperature and to speed up the formation and crystallization of La$\text{}_{x}$Sr$\text{}_{1-x}$MnO$\text{}_{3}$. The surfactant also provides us an additional means of controlling the nanocrystalline size and maintaining the stoichiometry of the as-prepared nanocrystallites.
Dostawca treści:: Biblioteka Nauki

Artykuł

na półce

Skocz do pozycji: 3.

Tytuł:: Dft investigation of a high energy density polynitro compound, 2,2’-Bis(trinitromethyl)-5,5’-azo-1,2,3,4- tetrazole
Autorzy:: Lin, H.
Zhu, S. G.
Chen, P. Y.
Li, K.
Li, H. Z.
Peng, X. H.
Tematy:: polynitro
electronic structure
thermodynamic properties
crystal structure
detonation performance
stability; Pokaż więcej
Wydawca:: Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
Powiązania:: https://bibliotekanauki.pl/articles/358030.pdf Link otwiera się w nowym oknie
Opis:: A novel polynitro compound, 2,2’-bis(trinitromethyl)-5,5’-azo- 1,2,3,4-tetrazole, was designed and investigated at the DFT-B3LYP/6-31G(d) level. Its properties, such as electronic structure, IR spectrum, heat of formation, thermodynamic properties and crystal structure, were predicted. This compound is most likely to crystallize in the P21 space group, and the corresponding cell parameters are Z = 2, a = 5.46 Å, b = 9.72 Å, c = 14.05 Å, α = 90°, β = 90°, γ = 90°. In addition, the detonation velocity and pressure were also estimated by using the empirical Kamlet-Jacobs equations, and were predicted to be 8.28 km/s and 31.61 GPa respectively. The oxygen balance of this compound is +13.79%, which indicates that it could serve as an oxidizer. Bond dissociation energy calculations show that the C(13)-N(21)O2 and C(14)-N(30)O2 bonds are the locations of thermal decomposition and that this compounds meets the thermal stability requirements as an exploitable explosive. Keywords: polynitro, electronic structure, thermodynamic properties, crystal structure, detonation performance, stability.
Dostawca treści:: Biblioteka Nauki

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na półce

Skocz do pozycji: 4.

Tytuł:: Structural and Optical Properties of ZnO Nanowires Doped with Magnesium
Autorzy:: Zhuang, H.
Wang, J.
Liu, H.
Li, J.
Xu, P.
Tematy:: 61.46.Km
61.72.uj
81.15.Gh
78.67.-n; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Powiązania:: https://bibliotekanauki.pl/articles/1505046.pdf Link otwiera się w nowym oknie
Opis:: ZnO nanowires doped with Mg have been successfully prepared on Au-coated Si (111) substrates using chemical vapor deposition method with a mixture of ZnO, Mg, and activated carbon powders as reactants at 850°C. The structural, compositional, morphological and optical properties of the samples were characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, high-resolution transmission electron microscopy, and photoluminescence spectroscopy. The nanowires are single crystalline in nature and preferentially grow up along [0001] direction with the average diameter and length of about 60 nm and several hundred micrometers, respectively, thinner and longer than the results of literature using the similar method. Room temperature photoluminescence spectroscopy shows a blueshift from the bulk band gap emission, which can be attributed to Mg doping that were detected by energy dispersive X-ray analysis EDX in the nanowires. Finally, the possible growth mechanism of crystalline ZnO nanowires is discussed briefly.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Sensitive detection of acetylene by second derivative spectra with tunable diode laser absorption spectroscopy
Autorzy:: Deng, H.
Sun, J.
Li, P.
Liu, Y.
Yu, B.
Li, J.
Tematy:: tunable diode laser absorption spectroscopy
TDLAS
signal processing
Savitzky–Golay filter
trace gas detection; Pokaż więcej
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Powiązania:: https://bibliotekanauki.pl/articles/174963.pdf Link otwiera się w nowym oknie
Opis:: A tunable diode laser absorption spectrometer was developed for trace acetylene gas analysis, the system performance was evaluated by combing an appropriate digital signal processing methods, i.e., Savitzky–Golay smoothing and differentiation algorithm. The calculation of the derivative spectra by this method is accompanied by simultaneous data smoothing. Based on the 2nd deriv- ative spectra detection method, the Allan variance technique indicates a C₂H₂ detection limit of 1.7ppm for 1-s averaging time, and a minimum noise level of 62ppb (parts per billion), at the optimum integration time of ~60s. The calculated 2nd derivative spectra with better resolution, lower detection limits, save signal processing time, and improve the ability to distinguish unresolved spectral signals.
Dostawca treści:: Biblioteka Nauki

Artykuł

na półce

Skocz do pozycji: 6.

Tytuł:: Fruit biomechanics based on anatomy: a review
Autorzy:: Li, Z.
Yang, H.
Li, P.
Liu, J.
Wang, J.
Xu, Y.
Wydawca:: Polska Akademia Nauk. Instytut Agrofizyki PAN
Powiązania:: https://bibliotekanauki.pl/articles/24093.pdf Link otwiera się w nowym oknie
Opis:: Fruit biomechanics is needed for quality determination, multiscale modelling and engineering design of fruit processes and equipments. However, these determined fruit biomechanics data often have obvious differences for the same fruit or tissue. In order to investigate it, the fruit biomechanics based on anatomy was reviewed in this paper. First, the anatomical characteristics of fruit biomaterials were described at the macroscopic ‘tissue’ level and microscopic ‘cellular’ level. Subsequently, the factors affecting fruit biomechanics based on anatomy and the relationships between fruit biomechanics, texture and mechanical damage were summarised according to the published literature. Fruit biomechanics is mainly affected by size, number and arrangement of cells, quantity and volume of intracellular spaces, structure, thickness, chemical composition and permeability of cell walls, and pectin degradation level and turgor pressure within cells based on microanatomy. Four test methods and partial determined results of fruit biomechanics were listed and reviewed. The determined mechanical properties data of fruit are only approximate values by using the existing four test methods, owing to the fruit biomaterials being non-homogeneous and living. Lastly, further aspects for research on fruit biomechanics were proposed for the future.
Dostawca treści:: Biblioteka Nauki

Artykuł

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Skocz do pozycji: 7.

Tytuł:: Model of eco-water driving force affecting the evolvement of runoff in the upper Minjiang River Basin
Autorzy:: Jin, H.
Yang, W.
Li, P.
Ashraf, M. A.
Tematy:: eco-water
remote sensing quantitative retrieval
upper Minjiang River
runoff prediction; Pokaż więcej
Wydawca:: Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Powiązania:: https://bibliotekanauki.pl/articles/259476.pdf Link otwiera się w nowym oknie
Opis:: The amount of eco-water resources reflects the land surface water conservation capability, and the underlying surface condition in the hydrologic cycle. In the upper Minjiang River Basin, the amounts of eco-water resources were retrieved from remotely sensed data during 1992 to 2005. Through regression analysis between the retrieved eco-water data and the climate hydrological data mainly including the temperature, the precipitation, and the runoff in the same period, the model of eco-water driving force affecting the evolvement of runoff was established. The accuracy analysis indicates that the model can well describe the relationship between dry season runoff and its driven factors, the measured data validation proves that the model has high precision and good practicability. The eco-water remote sensing inversion provides a valid method to quantify the land surface water conservation capability, and suggests an interesting approach for the driving function quantitative researches of underlying surface factor in the hydrologic cycle.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: Identification of three species commonly known as“daqingye” by internal leaf anatomy and high-performance liquid chromatography analyses
Autorzy:: Zhang, Y.
Zhu, Y.
Chen, J.
Xia, C.
Deng, J.
Li, H.
Li, Y.
Li, J.
Liu, P.
Wydawca:: Polskie Towarzystwo Botaniczne
Powiązania:: https://bibliotekanauki.pl/articles/59301.pdf Link otwiera się w nowym oknie
Opis:: The macroscopic and microscopic morphologies and indigo and indirubin concentration of the traditional Chinese medicine herbs Isatis indigotica Fort., Polygonum tinctorium Ait., and Baphicacanthus cusia (Nees) Bremek, all commonly known as “daqingye”, were determined and compared. The morphological analyses indicated that I. indigotica has leaves with winged petioles and no glandular hairs or crystals, P. tinctorium has leaves with membranous ocrea and clusters of calcium oxalate, and B. cusia has palisade cells in the mesophyll running over the main vein and single cells containing calcium carbonate crystals. Indigo and indirubin are chemical constituents that have been previously isolated from daqingye and were selected in this study as identification markers for high-performance liquid chromatography analysis due to their pharmacological activities. The chromatographic results showed that indigo and indirubin concentration varied significantly among the three species: high concentration of both indigo and indirubin were observed in I. indigotica, the highest concentration among the three daqingye plants was found in P. tinctorium but with low levels of indirubin, and the concentration of indigo and indirubin was quite low in B. cusia. In summary, three different species commonly known as daqingye were accurately distinguished by morphological observation, internal leaf anatomy analysis, and chromatographic analysis.
Dostawca treści:: Biblioteka Nauki

Artykuł

na półce

Skocz do pozycji: 9.

Tytuł:: An investigation of mechanical properties of recycled coarse aggregate concrete
Badania właściwości mechanicznych betonu kruszywowego wtórnego wykonanego z użyciem kruszywa gruboziarnistego także pochodzenia wtórnego
Autorzy:: Deng, X. H.
Lu, Z. L.
Li, P.
Xu, T.
Tematy:: beton
kruszywo gruboziarniste
kruszywo z recyklingu
stosunek wodno-cementowy
wskaźnik zamiany
wytrzymałość na ściskanie
wytrzymałość na rozciąganie
rozłupywanie
concrete
coarse aggregate
recycled aggregate
water-cement ratio
replacement rate
compression strength
tensile strength
splitting; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Powiązania:: https://bibliotekanauki.pl/articles/962346.pdf Link otwiera się w nowym oknie
Opis:: Recycling construction and demolition waste not only reduces project costs; and saves natural resources, but also solves the environmental threat caused by construction waste disposal. In this paper, C25 waste road concrete is used as an experimental material, the uniaxial compression strength and tensile splitting strength of C25 RAC whose coarse aggregate replacement rate is 0%, 25%, 50%, 75%, and 100% are tested under the condition that the water-to-cement ratio is 0.47, 0.55 and 0.61. The results show: (1) the uniaxial compression strength and tensile splitting strength decrease with the increase of RAC; (2) for concrete with the same water-to-cement ratio, when the coarse aggregate replacement rate changes from 0% to 50%, the uniaxial compression strength and tensile splitting strength of RAC changes slightly. When the coarse aggregate replacement rate changes from 50% to 100%, the uniaxial compression strength and tensile splitting strength of RAC decreases rapidly.
Recykling odpadów budowlanych oraz materiałów pochodzących z rozbiórek nie tylko zmniejsza koszty projektu i oszczędza zasoby naturalne, ale również zażegnuje zagrożenie dla środowiska spowodowane przez składowanie odpadów budowlanych. Szczególnie w odniesieniu do właściwości mechanicznych betonu z kruszywa gruboziarnistego poddanego recyklingowi, odpady betonu drogowego C25 są używane jako materiał eksperymentalny, pod warunkiem że stosunek wody do cementu wynosi 0,47, 0,55 i 0,61 oraz są przygotowane próbki betonu o wskaźniku zamiany betonu z kruszywa gruboziarnistego poddawanego recyklingowi wynoszącym 25%, 50%, 75% i 100% betonu z naturalnego kruszywa gruboziarnistego. Próbka to sześcian o wymiarach 150 × 150 × 150 mm. Przygotowaliśmy 6 próbek dla każdego wskaźnika zamiany betonu z kruszywa gruboziarnistego poddawanego recyklingowi. Przygotowano łącznie 90 próbek betonu. Próbki zostały usunięte 24 godziny po ustawieniu oraz były utwardzane w temperaturze 20°C i wilgotności 90% przez 28 dni. Następnie przeprowadzono próby ściskania jednoosiowego oraz wytrzymałości na rozciąganie przez rozłupywanie betonu z kruszywa poddawanego recyklingowi C25.
Dostawca treści:: Biblioteka Nauki

Artykuł

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Skocz do pozycji: 10.

Tytuł:: Static instability of an inverted plate in channel flow: state-space representation and solution approximation
Autorzy:: Li, P.
Zhang, D.
Cui, J.
Yin, H.
Yang, Y.
Tematy:: inverted cantilevered plate
static aeroelastic instability
channel flow
state-space representation
Glauert’s series
the least squares method; Pokaż więcej
Wydawca:: Instytut Podstawowych Problemów Techniki PAN
Powiązania:: https://bibliotekanauki.pl/articles/38697113.pdf Link otwiera się w nowym oknie
Opis:: Plate-like structures in channel flow are commonly found in engineering. This paper reports a theoretical study on the static aeroelastic instability of an inverted cantilevered plate in an inviscid channel flow through the state space. This study begins with the kernel function of the flow potential determined in the Fourier domain with the help of the mirror image method. Then, the instability equation is derived from the operator theory and transformed in the state space. Finally, with Glauert’s expansion, model functions, and error functions, the instability problem of such a plate has been modeled as a mathematical function approximation problem and solved by the least squares method. The derived instability equation is considered at the continuum level of description, and no approximation appears at the first equation level. The convergence and reliability of the proposed modeling and its solutions approximation are entirely tested, and it can successfully predict the instability boundary, behavior, and the channel effect. Numerical results show that the decreased channel height and asymmetric plate placement in the channel significantly decrease the critical flow velocity. The plate instability modes are close to the plate’s first natural ones and not sensitive to the channel parameters. This conclusion allows further theoretical exploration of a semi-analytical approximation of the instability boundary from the obtained instability equation. The current modeling strategy in a continuum sense may provide a new idea and essential reference for other instability problems.
Dostawca treści:: Biblioteka Nauki

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