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| 1 | RILL EROSION PROCESS ON STEEP SLOPE LAND OF THE LOESS PLATEAU显示文摘Rill erosion processes and principle of preventing rill erosion of different applied measures are studied by rainfall simulation and field investigation. Research results show that rill erosion processes can be schematically divided into five stages, that is, concentrated flow forming process; little waterfalls in the concentrated flow forming Process; little waterfalls developing into rill head cut process; rill head cuts developing to form discontinuous rill process and discontinuous rills connecting to form continuous rill process. Rill head cuts backward erosion, rill wall collapsing and runoff washing rill bed are the main patterns of rill development. The relevant equation between critical runoff volume of occurring rill erosion and slope degree can be expressed as follows: Q = 76. 10 - 2. 10J. And relevant equation between critical slope length of occurrence Of rill erosion and slope degree is parabolic with a minimum-value. In addition, influence of rill erosion development on slope runoff and soil erosion, benefits and principle of reducing rill erosion amount of mulch, non-tillage system and remained residue, strip alternation of grass and crop, horizontal ditch are also studied. | ZHENG Fenli and TANG Keli (1 The English text has been altered and edited by Dr. DING Lianzhen 2 Engineer, National Key Laboratory of Soil Erosion and Dryland Farming on Loess Plateau, Chinese Academy of Sciences and institute of Soil and Water Conservati | 1997 | International Journal of Sediment Research1997，12，1： | 9 |
| 2 | Removal of formaldehyde over Mn_xCe_(1- x)O_2 catalysts: Thermal catalytic oxidation versus ozone catalytic oxidation显示文摘MnxCe1-xO2(x:0.3–0.9)prepared by Pechini method was used as a catalyst for the thermal catalytic oxidation of formaldehyde(HCHO).At x=0.3 and 0.5,most of the manganese was incorporated in the fluorite structure of Ce O2to form a solid solution.The catalytic activity was best at x=0.5,at which the temperature of 100%removal rate is the lowest(270°C).The temperature for 100%removal of HCHO oxidation is reduced by approximately 40°C by loading 5 wt.%Cu Oxinto Mn0.5Ce0.5O2.With ozone catalytic oxidation,HCHO(61 ppm)in gas stream was completely oxidized by adding 506 ppm O3over Mn0.5Ce0.5O2catalyst with a GHSV(gas hourly space velocity)of 10,000 hr-1at 25°C.The effect of the molar ratio of O3to HCHO was also investigated.As O3/HCHO ratio was increased from 3 to 8,the removal efficiency of HCHO was increased from 83.3%to 100%.With O3/HCHO ratio of 8,the mineralization efficiency of HCHO to CO2was 86.1%.At 25°C,the p-type oxide semiconductor(Mn0.5Ce0.5O2)exhibited an excellent ozone decomposition efficiency of 99.2%,which significantly exceeded that of n-type oxide semiconductors such as Ti O2,which had a low ozone decomposition efficiency(9.81%).At a GHSV of 10,000 hr-1,[O3]/[HCHO]=3 and temperature of 25°C,a high HCHO removal efficiency(≥81.2%)was maintained throughout the durability test of 80 hr,indicating the long-term stability of the catalyst for HCHO removal. | Jia Wei Li Kuan Lun Pan Sheng Jen Yu Shaw Yi Yan Moo Been Chang | 2014 | Journal of Environmental Sciences2014，26，12： | 9 |
| 3 | Removal of VOCs from gas streams with double perovskite-type catalysts显示文摘Double perovskite-type catalysts including La2 CoMnO_6 and La_2 CuMnO_6 are first evaluated for the effectiveness in removing volatile organic compounds(VOCs), and single perovskites(La CoO_3, LaMnO_3, and La Cu O3) are also tested for comparison. All perovskites are tested with the gas hourly space velocity(GHSV) of 30,000 hr^(-1), and the temperature range of100–600°C for C_7H_8 removal. Experimental results indicate that double perovskites have better activity if compared with single perovskites. Especially, toluene(C_7H_8) can be completely oxidized to CO_2 at 300°C as La2 Co MnO_6 is applied. Characterization of catalysts indicates that double perovskites own unique surface properties and are of higher amounts of lattice oxygen,leading to higher activity. Additionally, apparent activation energy of 68 k J/mol is calculated using Mars-van Krevelen model for C7 H8 oxidation with La2 Co Mn O6 as catalyst. For durability test, both La2 Co Mn O6 and La_2 CuMnO_6 maintain high C7 H8 removal efficiencies of 100% and98%, respectively, at 300°C and 30,000 hr^(-1), and they also show good resistance to CO_2(5%) and H2 O(g)(5%) of the gas streams tested. For various VOCs including isopropyl alcohol(C_3H_8 O),ethanal(C_2H_4O), and ethylene(C_2H_4) tested, as high as 100% efficiency could be achieved with double perovskite-type catalysts operated at 300–350°C, indicating that double perovskites are promising catalysts for VOCs removal. | Kuan Lun Pan Guan Ting Pan Siewhui Chong Moo Been Chang | 2018 | Journal of Environmental Sciences2018，30，7： | 8 |
| 4 | Catalytic removal of phenol from gas streams by perovskite-type catalysts显示文摘Three perovskite-type catalysts prepared by citric acid method are applied to remove phenol from gas streams with the total flow rate of 300 mL/min, corresponding to a GHSV of10,000/hr. LaMnO_3 catalyst is first prepared and further partially substituted with Sr and Cu to prepare La_(0.8)Sr_(0.2)MnO_3 and La_(0.8)Sr_(0.2)Mn_(0.8)Cu_(0.2)O_3, and catalytic activities and fundamental characteristics of these three catalysts are compared. The results show that phenol removal efficiency achieved with La_(0.8)Sr_(0.2)Mn_(0.8)Cu_(0.2)O_3 reaches 100% with the operating temperature of 200°C and the rate of mineralization at 300°C is up to 100%, while the phenol removal efficiencies achieved with La_(0.8)Sr_(0.2)MnO_3 and LaMnO_3 are up to 100% with the operating temperature of 300°C and 400°C, respectively. X-ray photoelectron spectroscopy(XPS) analysis shows that the addition of Sr and Cu increases the lattice oxygen of La_(0.8)Sr_(0.2)Mn_(0.8)Cu_(0.2)O_3, and further increases mobility or availability of lattice oxygen. The results indicate that La_(0.8)Sr_(0.2)Mn_(0.8)Cu_(0.2)O_3 has the best activity for phenol removal among three catalysts prepared and the catalytic activity of phenol oxidation is enhanced by the introduction of Sr and Cu into LaMnO_3. Apparent activation energy of 48 k J/mol is calculated by Mars–Van Krevelen Model for phenol oxidation with La_(0.8)Sr_(0.2)Mn_(0.8)Cu_(0.2)O_3 as catalyst. | Dai Ling Chen Kuan Lun Pan Moo Been Chang | 2017 | Journal of Environmental Sciences2017，29，6： | 5 |
| 5 | The use of wastewater analysis in forensic intelligence:drug consumption comparison between Sydney and different European cities显示文摘Wastewater analysis offers objective and complementary information to illicit drug agencies by monitoring patterns of illicit drug consumption.In this study,wastewater samples from three different wastewater treatment plants in Sydney,Australia were collected in March 2016.Ten targeted drugs were analysed and temporal and geographical analyses were performed to obtain a better understanding of the type and amount of illicit drugs consumed in Sydney in comparison with similar studies conducted around Australia and in Europe.Among the targeted drugs,methamphetamine was consumed the most,followed by cocaine and 3,4-methylenedioxymethamphetamine(MDMA).Weekly patterns were observed where a peak during the weekend was present.The geographical analysis showed differences between the regions targeted.This observation may be related to socio-demographic aspects.The comparison of our study to other data sources from Australia showed a high consumption of methamphetamine in Sydney and Western Australia.The comparison between Sydney and different European cities revealed a difference in consumption,which is in line with traditional market indicators.The information obtained through wastewater analysis provides complementary information regarding illicit drug consumption,the size,and the evolution of the illicit drug market.This,ultimately,will assist authorities in making informed decisions. | Anne Bannwarth Marie Morelato Lisa Benaglia Frederic Been Pierre Esseiva Olivier Delemont Claude Roux | 2019 | Forensic Sciences Research2019，4，2： | 4 |
| 6 | Internet of things: Vision, applications and research challenges显示文摘 | Daniele Miorandi Sabrina Sicari Francesco De Pellegrini Imrich Chlamtac | 2012 | Ad Hoc Networks2012，，7： | 3 |
| 7 | Innovative PCDD/F-containing gas stream generating system applied in catalytic decomposition of gaseous dioxins over V 2 O 5 –WO 3 /TiO 2 -based catalysts显示文摘 | Chia Cheng Yang Shu Hao Chang Bao Zhen Hong Kai Hsien Chi Moo Been Chang | 2008 | Chemosphere2008，，6： | 2 |
| 8 | The Cosmic Dust in Suzhou Granite:Ablated Products of a Cometary Explosion | Hu Zhong-wei,Wang Er-kang,Wan Yu-qiuDepartement of Astronomy,Nanjing University,Nanjing 210093,China Department of Earth Sdence,Nanjing University,Nanjing 210093,China Cosmic dust has been collected in large number from deap-sea sediments,Greenland ice deposits,the stratosphere and space,of cosmic dust,some are the unmelted micrometeorite,and most are the ablated products of me-teoroids in the atmosphere.Cosmic dusts were recovered from two sites of the 1908 Tunguska explosion and the 1965 Revelstoks explosion Since 1987,a large number of microspherules have been extracted from Suzhou granite of China Their suface and section structures,mineral and chemical composition show that these microspherules are of the ablated cosmic dust.The microspherules occurred in the inner contact complex intrusion.It suggests that the microspherules may be products of the same event and were aggergated in some strata and then captured by the emplacement of granitic magma.Although the microspherules are similare to other ablated cosmic dusts,there are some diferences.Our calculated results of cometary motion through the atmosphere and explosion show that the microspherules may be the ablated dust of a comet with mass above 1015g at its explosion near the ground. | 1996 | 紫金山天文台台刊1996，15，3： | 2 |
| 9 | Scheuermann's disease: current diagnosis and treatment approach显示文摘 | Bezalel T Carmeli E Been E | 2014 | J Back Musculoskelet Reha- bil2014，27，4： | 1 |
| 10 | Genome analysis of lactic acid bacteria in food fermentations and biotechnological applications显示文摘 | Been Hen Nga | 2005 | Current Opinion in Microbiology2005，8，30： | 1 |
| 11 | Histological chorioamnionitis and respiratory outcome in preterm infants 显示文摘 | Been JV Zimmerrnann LJ | 2009 | Arch Dis Child Fetal Neonatal Ed2009，94，3： | 1 |
| 12 | A novel approarch to kinetic modeling of the hydrogen peroxide brightening of mechanical pulp显示文摘 | Jeeny Been | 1995 | Tappi1995，78，8： | 1 |
| 13 | Comprehensive two-dimensional gasc hromat oraphy with time-of-flight mass spectrometric detection applied to the determination of pesticides in food extracts 显示文摘 | DALLUGE J RIJN M V BEENS J | 2002 | Journal of Chromatography A2002，965，： | 1 |
| 14 | Using Ti-5111 for Marine Fastener Applica- tions显示文摘 | Been J Failer K | 1999 | Overview Titanium1999，，6： | 1 |
| 15 | Two-stage treatment of acetabular bone defect in tuberculosis of the hip bv intended ankvlosis followed by total hip arthroplasty:a case report显示文摘 | Vogelpoel EE Been JJ de Gast AA | | 0，，： | 1 |
| 16 | A novel approarch to kinetic modeling of the hydrogen peroixde brightening of mechanical pulp 显示文摘 | Jeeny Been | 1995 | Tappi1995，78，8： | 1 |
| 17 | Early alterations of growth factor patterns in bronchoalveolar lavage fluid from preterm infants developing bronchopulrnonary dysplasia 显示文摘 | Been JV Debeer A van Iwaarden JF | 2010 | Pediatr Res2010，67，1： | 1 |
| 18 | A state parameter for sands 显示文摘 | Been K Jefferies M G | 1985 | Geotechnique1985，35，2： | 1 |
| 19 | The critical state of sands显示文摘 | BEEN K JEFFERIES M G | 1991 | Geotechnique1991，41，3： | 1 |
| 20 | FLT-PET in oncology:current status and opportunities显示文摘 | Been L B Suurmeijer A J Cobben D C | 2004 | Eur J Nucl Med Mol Imaging2004，31，12： | 1 |
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