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农业机械学报 1998年第4期29卷 12-16页

作者：黄敬党 R j CROOKeS 福建农业大学机电系伦敦大学ＱＭＷ学院工程院

在一台ＲｉｃａｒｄｏＥ６可变压缩比火花点燃式单缸试验机上，研究了燃用汽油和天然气时，在不同转速、空燃比、压缩比工况下发动机的动力性、经济性及ＣＯ、ＨＣ、ＮＯｘ等排放指标的变化规律。

关键词：气体燃烧发动机天然气代用燃料汽油

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不同的低温状况对油橄榄花产生的影响

西部林业科学 1977年第2期 67-74页

作者： H.j.哈特曼 j.e.威士勒徐维良曾龄英戴维斯加里福尼亚大学园艺系戴维斯加里福尼亚大学园艺系

控制低温能促使容器内生长的油橄榄(Olea europaea L)在一年内的任何时间开花。最适宜花序产生的控制条件,发生在暴露70—80天后,每日的正弦波温度型最低为-2℃,最高为15℃。虽是同样的温度,但是也要控制一个接一个的意外失败才能使花... 详细信息

控制低温能促使容器内生长的油橄榄(Olea europaea L)在一年内的任何时间开花。最适宜花序产生的控制条件,发生在暴露70—80天后,每日的正弦波温度型最低为-2℃,最高为15℃。虽是同样的温度,但是也要控制一个接一个的意外失败才能使花序形成。经常保持12.5℃的中等温度,也能有效地促使花形成,但是持续7℃的低温或持续15℃以上的高温就会导致花序形成的失败。“阿斯柯拉诺(Ascolano)”花序的生成对温度型的范围宽度低于“蒙扎尼罗(Manzanillo)”。在加利福尼亚的中心山谷,油橄榄的不规则生长习性,并不是由于冬季低温型变化的结果。七年间的冬季低温数据和随后的收获量证明与此无关。严寒甚或冬季温暖在那里都能着生足够的花。

关键词：油橄榄树蒙扎油橄榄花尼罗低温

中国将制造第四代战斗机美国兰德公司评估中国军用航空工业

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国际展望 2006年第6期 20-27页

作者： e.梅德罗斯 R.克里夫 K.克雷恩 j.穆尔维隆张宏飞

自海湾战争以来,空中力量已成为现代战争的主宰力量,而军用航空工业作为空中力量的技术支持者,成为防务舞台上愈来愈受人关注的角色。随着中国国防现代化建设的不断进展,西方国家,尤其是美国,对中国军用航空工业的关注度有增无减。本文... 详细信息

自海湾战争以来,空中力量已成为现代战争的主宰力量,而军用航空工业作为空中力量的技术支持者,成为防务舞台上愈来愈受人关注的角色。随着中国国防现代化建设的不断进展,西方国家,尤其是美国,对中国军用航空工业的关注度有增无减。本文根据兰德公司美国空军资助研究项目报告《中国国防工业新方向》(2005年12月)第四章编译而成。反映了美国智囊机构对中国军用航空工业的观察,在一定程度上能代表西方国家对中国军用航空工业的认知。本刊刊发此文,无意证实文中的报道和数据,仅供感兴趣的专业工作者和广大读者参考,敬请阅读本文时鉴别。本文节标题为编者所加,文章在编辑时有删节。

关键词：第四代战斗机中国军用航空工业国防现代化建设制造空中力量美国空军西方国家海湾战争现代战争

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用多级罗茨真空泵对危险性气体的大流量抽除

真空 1984年第3期 47-49页

作者： j.Henning ,e.Rossmanith ,j.Steinmller ,徐宏录 ,徐成海

The failed invasion of Harmonia axyridis in the Azores, Portugal: Climatic restriction or wrong population origin?

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Insect Science 2021年第1期28卷 238-250页

作者： Alberto j.Alaniz Antonio OSoares Pablo M.Vergara eduardo Brito de Azevedo Audrey A.Grez Laboratorio de ecologia de Ambientes Fragmentados Departamento de Ciencias Biologicas AnimatesFacultad de Ciencias VeterinariasPecuariasUniversidad de ChileChile Centro de estudios en ecologia espacial y Medio Ambiente EcogeografiaSantiagoChile Departamento de Gestion Agra ria Facultad TecnologicaUniversidad de Santiago de ChileChile Center for ecology Evolution and Environmental Changes and Azorean Biodiversity GroupFaculty of Sciences and TechnologyUniversity of the AzoresPonta DelgadaPortugal Center of Climate Departamento de Ciencias AgrariasMeteorology and Global Change of the University of the Azores(CCMMG-CITA-A)Universidade dos AzoresAngra do HeroismoPortugal

We tested two questions:(i)whether the climatic conditions of the Azorean Islands in Portugal may have restricted the invasion of Harmonia axyridis across this archipelago and(ii)determine what population of this species could have a higher probability of invading the *** used Maxent to project the climate requirements of different *** populations from three regions of the world,and the potential global niche of the species in the Azorean *** we assessed the suitability of the islands for each of the three *** populations and global potential niche through histograms analysis,Principal Component Analysis(PCA)of climate variables,and a variable-by-variable assessment of the suitability response curves compared with the climatic conditions of the *** conditions of the Azores are less suitable for the *** native Asian populations of ***,and more suitable for european populations and the global potential *** PCA showed that the climatic conditions of the islands differed from the climatic requirements of *** difference is mainly explained by precipitation of the wettest month,isothermality,and the minimum temperature of the coldest *** concluded that the climatic conditions of the Azores could have influenced the establishment and spread of *** on these islands from *** results showed that abiotic resistance represented by the climate of the potentially colonizable zones could hinder the establishment of invasive insects,but it could vary depending of the origin of the colonizing population.

关键词： climatic suitability Harlequin ladybird Invasibility invasive alien species Niche analysis Species Distribution Model

Antibacterial effects of platelet-rich fibrin produced by horizontal centrifugation

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International journal of Oral Science 2020年第4期12卷 309-316页

作者： Mengge Feng Yulan Wang Peng Zhang Qin Zhao Shimin Yu Kailun Shen Richard j.Miron Yufeng Zhang State Key Laboratory Breeding Base of Basic Science of Stomatology(Hubei-MOST)and Key Laboratory of Oral Biomedicine Ministry of EducationSchool and Hospital of StomatologyWuhan UniversityWuhanChina Department of Periodontology School of Dental MedicineUniversity of BernBernSwitzerland Medical Research Institute School of MedicineWuhan UniversityWuhanChina

Platelet-rich fibrin(PRF)has been widely used owing to its ability to stimulate tissue *** date,few studies have described the antibacterial properties of ***,PRF prepared by horizontal centrifugation(H-PRF)was shown to contain more immune cells than leukocyte-and platelet-rich fibrin(L-PRF).This study aimed to compare the antimicrobial effects of PRFs against Staphylococcus aureus and escherichia coli in vitro and to determine whether the antibacterial effects correlated with the number of immune *** samples were obtained from eight healthy donors to prepare L-PRF and *** sizes and weights of L-PRF and H-PRF were first evaluated,and their antibacterial effects against *** and *** were then tested in vitro using the inhibition ring and plate-counting test ***-cytometric analysis of the cell components of L-PRF and H-PRF was also *** significant differences in size or weight were observed between the L-PRF and H-PRF *** H-PRF group contained more leukocytes than the L-PRF *** both PRFs had notable antimicrobial activity against *** and ***,H-PRF demonstrated a significantly better antibacterial effect than ***,the antimicrobial ability of the PRF solid was less efficient than that of wet *** conclusion,H-PRF exhibited better antibacterial activity than L-PRF,which might have been attributed to having more immune cells.

关键词： fibrin Blood Platelet

Light spectral filtering based on spatial adiabatic passage

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Light(Science & Applications) 2013年第1期2卷 90-97页

作者： Ricard Menchon-enrich Andreu Llobera jordi Vila-Planas Victor j Cadarso jordi Mompart Veronica Ahufinger Department of Physics Universitat Auto`noma de BarcelonaE-08193 BellaterraBarcelonaSpain Chemical Transducers Group Institut de Microelectro`nica de Barcelona(IMBCNMCSIC)E-08193 BellaterraBarcelonaSpain Microsystems Laboratory(LMIS1) Ecole Polytechnique Federale de Lausanne(EPFL)CH-1015 LausanneSwitzerland

We present the first experimental realization of a light spectral filter based on the spatial adiabatic passage *** demonstrate that a fully integrable CMOS-compatible system of three coupled identical total internal reflection silicon oxide waveguides with variable separation along their propagation direction can be used simultaneously as a low-and high-pass spectral filter within the visible range of *** is injected into the right waveguide,and after propagating along the system,long wavelengths are transferred into the left output,whereas short wavelengths propagate to the right and central *** stopband reaches values up to 211 dB for the left output and approximately 220 dB for the right plus central *** passband values are close to 0 dB for both *** also demonstrate that the filtering characteristics of the device can be controlled by modifying the parameter values,which define the geometry of the triple-waveguide ***,the general filtering behavior of the system does not critically depend on technological ***,the spatial adiabatic passage filtering approach constitutes an alternative to other integrated filtering devices,such as interference or absorbance-based filters.

关键词： CMOS-compatible technology integrated optics devices spatial adiabatic passage wavelength filtering devices

Geometrical reconstruction of fluorescence events observed by the LHAASO experiment

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Chinese Physics C 2021年第4期45卷 416-425页

作者： F.Aharonian Q.An Axikegu L.X.Bai Y.X.Bai Y.W.Bao D.Bastieri X.j.Bi Y.j.Bi H.Cai j.T.Cai Z.Cao Z.Cao j.Chang j.F.Chang X.C.Chang B.M.Chen j.Chen L.Chen L.Chen L.Chen M.j.Chen M.L.Chen Q.H.Chen S.H.Chen S.Z.Chen T.L.Chen X.L.Chen Y.Chen N.Cheng Y.D.Cheng S.W.Cui X.H.Cui Y.D.Cui B.Z.Dai H.L.Dai Z.G.Dai Danzengluobu D.della Volpe B.Detorre Piazzoli X.j.Dong j.H.Fan Y.Z.Fan Z.X.Fan j.Fang j.Fang C.F.Feng L.Feng S.H.Feng Y.L.Feng B.Gao C.D.Gao Q.Gao W.Gao M.M.Ge L.S.Geng G.H.Gong Q.B.Gou M.H.Gu j.G.Guo X.L.Guo Y.Q.Guo Y.Y.Guo Y.A.Han H.H.He H.N.He j.C.He S.L.He X.B.He Y.He M.Heller Y.K.Hor C.Hou X.Hou H.B.Hu S.Hu S.C.Hu X.j.Hu D.H.Huang Q.L.Huang W.H.Huang X.T.Huang Z.C.Huang F.ji X.L.ji H.Y.jia K.jiang Z.j.jiang C.jin D.Kuleshov K.Levochkin B.B.Li C.Li C.Li F.Li H.B.Li H.C.Li H.Y.Li j.Li K.Li W.L.Li X.Li X.Li X.R.Li Y.Li Y.Z.Li Z.Li Z.Li e.W.Liang Y.F.Liang S.j.Lin B.Liu C.Liu D.Liu H.Liu H.D.Liu j.Liu j.L.Liu j.L.Liu j.S.Liu j.Y.Liu M.Y.Liu R.Y.Liu S.M.Liu W.Liu Y.N.Liu Z.X.Liu W.j.Long R.Lu H.K.Lv B.Q.Ma L.L.Ma X.H.Ma j.R.Mao A.Masood W.Mitthumsiri T.Montaruli Y.C.Nan B.Y..Pang P.Pattarakijwanich Z.Y.Pei M.Y.Qi D.Ruffolo V.Rulev A.Saiz L.Shao O.Shchegolev X.D.Sheng j.R.Shi H.C.Song Yu.V.Stenkin V.Stepanov Q.N.Sun X.N.Sun Z.B.Sun P.H.T.Tam Z.B.Tang W.W.Tian B.D.Wang C.Wang H.Wang H.G.Wang j.C.Wang j.S.Wang L.P.Wang L.Y.Wang R.N.Wang W.Wang W.Wang X.G.Wang X.j.Wang X.Y.Wang Y.D.Wang Y.j.Wang Y.P.Wang Z.Wang Z.Wang Z.H.Wang Z.X.Wang D.M.Wei j.j.Wei Y.j.Wei T.Wen C.Y.Wu H.R.Wu S.Wu W.X.Wu X.F.Wu S.Q.Xi j.Xia j.j.Xia G.M.Xiang G.Xiao H.B.Xiao G.G.Xin Y.L.Xin Y.Xing D.L.Xu R.X.Xu L.Xue D.H.Yan C.W.Yang F.F.Yang j.Y.Yang L.L.Yang M.j.Yang R.Z.Yang S.B.Yang Y.H.Yao Z.G.Yao Y.M.Ye L.Q.Yin N.Yin X.H.You Z.Y.You Y.H.Yu Q.Yuan H.D.Zeng T.X.Zeng W.Zeng Z.K.Zeng M.Zha X.X.Zhai B.B.Zhang H.M.Zhang H.Y.Zhang j.L.Zhang j.W.Zhang L.Zhang L.Zhang L.X.Zhang P.F.Zhang P.F.Zhang R.Zhang S.R.Zhang S.S.Zhang X.Zhang X.P.Zhang Y.Zhang Y.Zhang Y.F.Zhang Y.L.Zhang B.Zhao j.Zhao L.Zhao L.Z.Zhao S.P.Zhao F.Zheng Y.Zheng B.Zhou H.Zhou j.N.Zhou P Key Laboratory of Particle Astrophyics&experimental Physics Division&Computing Center Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China University of Chinese Academy of Sciences Beijing 100049China TIANFU Cosmic Ray Research Center ChengduSichuanChina State Key Laboratory of Paricle Detection and electronics China University of Science and Technology of China HefeiAnhui 230026China Department of engineering Physics Tsinghua UniversityBeijing 100084China National Astronomical Observatories Chinese Academy of SciencesBeijing 100101China National Space Science Center Chinese Academy of SciencesBeijing 100190China School of Physics Peking UniversityBeijing 100871China Center for Astrophysics Guangzhou UniversityGuangzhouGuangdong 510006China School of Physics and Astronomy&School of Physics(Guangzhou) Sun Yat-sen UniversityZhuhaiGuangdong 519000China School of Physical Science and Technology Guangxi UniversityNanningGuangxi 530004China Hebei Normal University ShijiazhuangHebei 050024China School of Physics and Microelectronics Zhengzhou UniversityZhengzhouHenan 450001China School of Astronomy and Space Science Nanjing UniversityNanjingJiangsu 210023China Key Laboratory of Dark Matter and Space Astronomy Purple Mountain ObservatoryChinese Academy of SciencesNanjingJiangsu 210023China Institute of Frontier and Interdisciplinary Science Shandong UniversityQingdaoShandong 266237China Key Laboratory for Research in Galaxies and Cosmology Shanghai Astronomical ObservatoryChinese Academy of SciencesShanghai 200030China Tsung-Dao Lee Institute&School of Physics and Astronomy Shanghai Jiao Tong UniversityShanghai 200240China School of Physical Science and Technology Southwest Jiaotong UniversityChengduSichuan 610031China College of Physics Sichuan UniversityChengduSichuan 610065China Key Laboratory of Cosmic Rays(Tibet University) Ministry of EducationLhasaTibet 850000China School of physics and technology Wuhan UniversityWuhanHubei 430072Ch

The LHAASO-WFCTA experiment,which aims to observe cosmic rays in the sub-eeV range using the fluorescence technique,uses a new generation of high-performance *** ensure that the experiment has ex-cellent detection capability associated with the measurement of the energy spectrum,the primary composition of cosmic rays,and so on,an accurate geometrical reconstruction of air-shower events is *** paper de-scribes the development and testing of geometrical reconstruction for stereo viewed events using the WFCTA(Wide Field of view Cherenkov/Fluorescence Telescope Array)*** approaches,which take full advantage ofthe WFCTA *** *** is the stereo-angular method,which uses the pointing of triggered SiPMs in the shower trajectory,and the other is the stereo-timing method,which uses the triggering time of the fired *** results show that both methods have good geometrical resolution:the resolution of the stereo-timing method is slightly better than the stereo-angular method because the resolution of the latter is slightly limited by the shower track length.

关键词： cosmic ray fluorescence telescope stereo observation geometrical reconstruction

韩国CADASIL特征:一种新的保留半胱氨酸的Notch3基因突变

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世界核心医学期刊文摘(神经病学分册) 2006年第11期 58-59页

作者： Kim Y Choi e.j Choi C.G j.S. Kim 郭俊 Department of Neurology Asan Medical Center 388-1 Pungnap-dong Songpa-gu Seoul 138-736 South Korea Dr.

OBjeCTIVe: To elucidate the phenotype, genotype, and MRI findings of Korean patients with cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) and mutation carriers. MeTHODS: The authors studied 40 members of nine unrelated Korean CADASIL families. After genetic analysis of Notch3, clinical and MRI findings were correlated in 27 mutation carriers. ReSULT: Notch3 mutation sites were C174R (one family, n = 3), R133C (one family, n = 3), R587C (one family, n = 1), R544C (two families, n = 5), and R75P (four families, n = 15). The clinical features were typical of CADASIL, but the frequency of migraine in the Korean population appears low. MRI abnormalities were found in 54%of the mutant carriers, the most common being white matter hyperintensities. The prevalence of lacunes and microbleeds increased with patient age. Anterior temporal areas were less often involved in subjects with R75P mutations than in those where mutations occurred in other sites (p = 0.02). Gradient echo imaging identified microbleedings in 33%of mutation carriers (64%of those with abnormal MRI), whereas diffusion weighted MRI showed abnormal findings in only one patient. Neurologic disability was related to the number of lacunar infarcts and the lesion volume of white matter hyperintensities (p ereas MMSe score was related to the number of lacunar infarcts (p ean cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) mutation carriers show similar clinical and MRI findings, these abnormalities appear less frequently than in other populations. Relatively frequent microbleedings on gradient echo imaging suggest that treatment should be individualized according to MRI findings. The novel mutation of R75P, not involving a cysteine residue, is related to less frequent involvement of the anterior temporal area, thus broadening the spectrum of CADASIL.

关键词： CADASIL Notch3 基因突变点突变半胱氨酸解毒药韩国

从3.96米直径的球形贮箱中排出液氢时所需增压气氢量的研究

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导弹与航天运载技术(中英文) 1979年第12期 46-82页

作者： R.j.Stochl P.A.Masters R.L.Dewitt j.e.Maloy 湘言

在从3.96米直径的球形贮箱排出液氢的过程中,为了确定各种物理参数对增压气体(气氢)需要量的影响,曾进行了试验研究。对试验结果与分析计划原先预计的结果作了比较,从而改进和扩大了这种研究。在24.13×104,34.47×104和51.71×104牛顿/... 详细信息

在从3.96米直径的球形贮箱排出液氢的过程中,为了确定各种物理参数对增压气体(气氢)需要量的影响,曾进行了试验研究。对试验结果与分析计划原先预计的结果作了比较,从而改进和扩大了这种研究。在24.13×104,34.47×104和51.71×104牛顿/米2(35,50和75磅/吋2绝)公称试验压力下,使用173和300K(311°和540°R)的进气温度,对流量速率、增压速率和初始气枕容积进行了试验。数据是使用半球形和直管形两种喷嘴获得的。

关键词：贮箱排出时间箱壁排出液进气温度贮箱压力气枕气锤气体喷嘴