260,163 research outputs found
Lun Lu Xun de si xiang.
No full text平心 [李平心] 著.附: 思想家的魯迅.Pingxin [Li Pingxin] zhu.Fu: Si xiang jia de Lu Xun
Large-eddy simulation of the compressible flow past a wavy cylinder
No full textNumerical investigation of the compressible flow past a wavy cylinder was carried out using large-eddy simulation for a free-stream Mach number M? = 0.75 and a Reynolds number based on the mean diameter Re = 2 × 105. The flow past a corresponding circular cylinder was also calculated for comparison and validation against experimental data. Various fundamental mechanisms dictating the intricate flow phenomena, including drag reduction and fluctuating force suppression, shock and shocklet elimination, and three-dimensional separation and separated shear-layer instability, have been studied systematically. Because of the passive control of the flow over a wavy cylinder, the mean drag coefficient of the wavy cylinder is less than that of the circular cylinder with a drag reduction up to 26%, and the fluctuating force coefficients are significantly suppressed to be nearly zero. The vortical structures near the base region of the wavy cylinder are much less vigorous than those of the circular cylinder. The three-dimensional shear-layer shed from the wavy cylinder is more stable than that from the circular cylinder. The vortex roll up of the shear layer from the wavy cylinder is delayed to a further downstream location, leading to a higher-base-pressure distribution. The spanwise pressure gradient and the baroclinic effect play an important role in generating an oblique vortical perturbation at the separated shear layer, which may moderate the increase of the fluctuations at the shear layer and reduce the growth rate of the shear layer. The analysis of the convective Mach number indicates that the instability processes in the shear-layer evolution are derived from oblique modes and bi-dimensional instability modes and their competition. The two-layer structures of the shear layer are captured using the instantaneous Lamb vector divergence, and the underlying dynamical processes associated with the drag reduction are clarified. Moreover, some phenomena relevant to the compressible effect, such as shock waves, shocklets and shock/turbulence interaction, are analysed. It is found that the shocks and shocklets which exist in the circular cylinder flow are eliminated for the wavy cylinder flow and the wavy surface provides an effective way of shock control. As the shock/turbulence interaction is avoided, a significant drop of the turbulent fluctuations around the wavy cylinder occurs. The results obtained in this study provide physical insight into the understanding of the mechanisms relevant to the passive control of the compressible flow past a wavy surface
Neoperla yaoshana Li, Wang & Lu 2011
No full textNeoperla yaoshana Li, Wang & Lu, 2011 Neoperla yaoshana Li, Wang & Lu, 2011. Zootaxa. 2735: 58. Type locality: Henan, Lushan County, Yaoshan. Distribution. China (Henan Province) (Li et al. 2011).Published as part of Li, Weihai, Li, Shan, Feng, Guangwei & Wang, Yunbing, 2014, Species of Neoperla (Plecoptera: Perlidae) from Henan Province, China, pp. 174-182 in Zootaxa 3838 (2) on page 178, DOI: 10.11646/zootaxa.3838.2.2, http://zenodo.org/record/22691
Guo chao wen lu xu bian. v.13
No full textV.1. 姚端恪公文錄 -- 變雅當文錄 -- v.2. 白茅堂文錄 -- 砥齋文錄 -- v.3. 聰山文錄 -- v.3-4. 改亭文錄 -- v.4. 魏伯子文錄 -- 河東文錄 -- v.5. 榆溪集選 -- 庸書文錄 -- v.6. 白石山房文錄 -- 三魚堂文錄 -- 蒼峴山人文錄 -- v.7. 憺園文錄 -- 百尺梧桐閣文錄 -- v.8. 飴山文錄 -- 可儀堂文錄 -- v.8-9. 趙忠毅公文錄 -- v.9. 白田草堂文錄 -- 梅莊文錄 -- v.10. 海崖文錄 -- 四知堂文錄 -- v.11. 孺廬先生文錄 -- 雙桂堂文錄.v.12. 松泉文錄 -- 集虛齋文錄 -- v.13. 歸愚文錄 -- 果堂文錄 -- 培遠堂文錄 -- v.14. 香國集文錄 -- 小倉山房文錄 -- v.15. 尊聞居士集 -- 叢桂堂文錄 -- v.16-17. 切問齋文錄 -- v.17. 經韻樓集文錄 -- v.18. 更生齋文錄 -- 頤綵堂文錄 -- 韞山堂文錄 -- v.19. 竹香齋文錄 -- 養一齋文錄 -- v.20. 鑑止水齋文錄 -- 雀硯齋文錄 -- 雕菰集文錄 -- v.21. 崇百樂齋文錄 -- 學福齋文錄 -- v.21-22. 左海文錄 -- v.22. 存吾文集錄 -- 邃雅堂文錄.李祖陶.敖陽李氏藏板.Li Zutao.Aoyang Li shi cang ban.V.1. yao duan ke gong wen lu -- bian ya dang wen lu -- v.2. bai mao tang wen lu -- di zhai wen lu -- v.3. cong shan wen lu -- v.3-4. gai ting wen lu -- v.4. wei bo zi wen lu -- he dong wen lu -- v.5. yu xi ji xuan -- yong shu wen lu -- v.6. bai shi shan fang wen lu -- san yu tang wen lu -- cang xian shan ren wen lu -- v.7. dan yuan wen lu -- bai chi wu tong ge wen lu -- v.8. yi shan wen lu -- ke yi tang wen lu -- v.8-9. zhao zhong yi gong wen lu -- v.9. bai tian cao tang wen lu -- mei zhuang wen lu -- v.10. hai ya wen lu -- si zhi tang wen lu -- v.11. ru lu xian sheng wen lu -- shuang gui tang wen lu.v.12. song quan wen lu -- ji xu zhai wen lu -- v.13. gui yu wen lu -- guo tang wen lu -- pei yuan tang wen lu -- v.14. xiang guo ji wen lu -- xiao cang shan fang wen lu -- v.15. zun wen ju shi ji -- cong gui tang wen lu -- v.16-17. qie wen zhai wen lu -- v.17. jing yun lou ji wen lu -- v.18. geng sheng zhai wen lu -- yi cai tang wen lu -- yun shan tang wen lu -- v.19. zhu xiang zhai wen lu -- yang yi zhai wen lu -- v.20. jian zhi shui zhai wen lu -- que yan zhai wen lu -- diao gu ji wen lu -- v.21. chong bai yue zhai wen lu -- xue fu zhai wen lu -- v.21-22. zuo hai wen lu -- v.22. cun wu wen ji lu -- sui ya tang wen lu
Zhou yi lüe li
No full text王弼, 韓康伯注 ; 孔穎達正義.綫裝, 1函.框19.7x13.1公分, 9行21字, 小字雙行同. 白口, 無魚尾, 四周單邊. 版心中鐫"易疏"及卷次, 下記刻工.分上,下經 ; 卷一至三為上經, 卷四至九為下經.出版項據《明代版本圖錄初編》推定.卷一至六由王弼注, 卷七至九由韓康伯注.With: 經典釋文 : 周易音義 / 陸德明撰 -- 周易略例 / 王弼撰.鈐有"呂氏樂房藏書", "得良館藏書記"印.Xian zhuang, 1 han.Kuang 19.7 x 13.1 gong fen, 9 hang 21 zi, xiao zi shuang hang tong. Bai kou, wu yu wei, si zhou dan bian. Ban xin zhong juan "Yi shu" ji juan ci, xia ji ke gong.Fen shang, xia jing ; juan yi zhi san wei shang jing, juan si zhi jiu wei xia jing.Chu ban xiang ju "Ming dai ban ben tu lu chu bian" tui ding.Juan yi zhi liu you Wang Bi zhu, juan qi zhi jiu you Han Kangbo zhu.Wang Bi, Han Kangbo zhu ; Kong Yingda zheng yi.With: Jing dian shi wen : Zhou yi yin yi / Lu Deming zhuan -- Zhou yi lüe li / Wang Bi zhuan.Qian you "Lü shi Le fang cang shu", "De liang guan cang shu ji" yin
Local linear fitting under near epoch dependence: Uniform consistency with convergence rates
Full text linkLocal linear fitting is a popular nonparametric method in statistical and econometric modeling. Lu and Linton (2007, Econometric Theory23, 37–70) established the pointwise asymptotic distribution for the local linear estimator of a nonparametric regression function under the condition of near epoch dependence. In this paper, we further investigate the uniform consistency of this estimator. The uniform strong and weak consistencies with convergence rates for the local linear fitting are established under mild conditions. Furthermore, general results regarding uniform convergence rates for nonparametric kernel-based estimators are provided. The results of this paper will be of wide potential interest in time series semiparametric modeling.Degui Li, Zudi Lu, Oliver Linto
Three new species of liocranid spiders (Arachnida: Araneae) from China and Nepal
No full textChu, Chang, Lu, Ying, Li, Shuqiang, Yao, Zhiyuan (2023): Three new species of liocranid spiders (Arachnida: Araneae) from China and Nepal. Zootaxa 5285 (1): 176-186, DOI: 10.11646/zootaxa.5285.1.8, URL: http://dx.doi.org/10.11646/zootaxa.5285.1.
Zong jing lu yao yi tiao mu lu
No full textv.1-50. 宗鏡錄 : 一百卷 -- v.51. 宗鏡錄要義條目錄 : 上, 中卷 -- v.52. 宗鏡錄要義條目錄 : 下卷.v.1-50. Zong jing lu : yi bai juan -- v.51. Zong jing lu yao yi tiao mu lu : shang, zhong juan -- v.52. Zong jing lu yao yi tiao mu lu : xia juan.智覺禪師集.綫裝, 5函.框23.5 x 15.7公分, 10行20字, 無界行, 上白口下黑口, 無魚尾, 四周雙邊. 版心上鐫"支那撰述", 中鐫卷次, 下鐫葉次. 字旁刻有日文注音.明翻刻本?內封面背頁牌記刻"皇圖鞏固, 帝道遐昌, 佛日增輝, 灋輪常轉".每卷卷末均有牌記, 刻有原書施資者, 刻書者名字及刻書年 (明萬曆壬寅-癸卯 [30-31年, 1602-1603]).第一百卷卷末牌記刻"寬永壬午小春吉辰中野氏是誰新刻".《宗鏡錄要義條目錄下卷》卷末牌記刻"明曆元稔九月良辰野田彌兵衛刊行".(日)明寬永壬午即明崇禎15年 ; 明曆元年即1655.With: 宗鏡錄要義條目錄 : [三卷].Xian zhuang, 5 han.Kuang 23.5 x 15.7 gong fen, 10 hang 20 zi, wu jie hang, shang bai kou xia hei kou, wu yu wei, si zhou shuang bian. ban xin shang juan "Zhina zhuan shu", zhong juan juan ci, xia juan ye ci. Zi pang ke you Ri wen zhu yin.Ming fan ke ben?Nei feng mian bei ye pai ji ke "Huang tu gong gu, di dao xia chang, fo ri zeng hui, fa lun chang zhuan".Detailed notes in vernacular field only.Detailed notes in vernacular field only.Detailed notes in vernacular field only.Detailed notes in vernacular field only.Zhijuechanshi ji.With: Zong jing lu yao yi tiao mu lu : [san juan]
Li Lu speaks at CSUDH
No full textLi Lu speaks at CSUDH. Li Lu was an organizer and leader of the Chinese student dissidents who took part in the Tiananmen Square protests of 1989
Chang Lu and student in laboratory
No full textPurdue's Chang Lu, from left, in the lab with graduate student Hsiang-Yu Wang. Lu, a Purdue assistant professor of agricultural and biological engineering, has found that how fat cells become after passing through an electric field in a microscopic fluid-filled channel indicates whether a cell is normal, cancerous or already metastatic. His technique allows screening of single cells 300 times faster than previous methods.College of Engineering;Agricultural and Biological Engineering
- …
