57,051 research outputs found
Xiu ding XO ce yan zhi chu bu /
No full textCover title.; Special collection from London Missionary Society.; Also available in an electronic version via the Internet at http://nla.gov.au/nla.gen-vn448955.First Chinese revision of the X-O tests
Using performance assessment in secondary school mathematics: an empirical study in a Singapore classroom
No full textThis article reports an exploratory study on using performance assessment in mathematics instruction in a high-performing secondary school in Singapore. An intact mathematics class participated in the study, and received chapter-based performance tasks as intervention during regular mathematics lessons for about one and a half school years. The performance tasks used included authentic and/or open-ended tasks. The students’ academic achievements and attitudes in mathematics were compared with a comparison class that did not receive the intervention. Both quantitative and qualitative data were collected, mainly through questionnaire surveys, performance task tests, conventional school exams, and interviews with students and teachers. The results suggest that the students receiving the intervention performed significantly better than their counterparts in solving conventional exam problems, and in general they also showed more positive changes in attitudes towards mathematics and mathematics learning. The students from the experimental class also expressed positive views about the benefits of using performance tasks in promoting their ability in higher order thinking, though no statistically significant difference was detected between the two classes of students in solving unconventional tasks before and after intervention. Overall, the results appear to support teachers’ using contextualised problems in real life situations and open-ended investigations in students’ learning of mathematic
Shi jie hua wen jiao xue yan tao hui
No full text1. 獻花圈紀念梅博士 : 國立清華大學梅園勲昭作育碑前 -- 2. 世界華文教學研討會 / [新加坡華文研究會] -- 3. 檳城.89. X, [紀念梅博士] -- 89. X, 世界華文教學研討會 -- 89. X, Penang.1st subtitle supplied by cataloguer.2nd subtitle from video content.Live recording.Electronic reproduction from Rulan Chao Pian V8 collection.Date and venue (content 2): 27th - 29th December 1989 at 新加坡地區語言中心.Spoken in Chinese.Date and venue (content 2): 27th - 29th December 1989 at Xinjiapo di qu yu yan zhong xin.Detailed contents in vernacular field only.89. X, [Ji nian Mei bo shi] -- 89. X, Shi jie hua wen jiao xue yan tao hui -- 89. X, Penang
Gated relational stacked denoising autoencoder with localized author embedding for global citation recommendation
No full textCitation recommendation is an effective and efficient way to facilitate authors finding desired references. This paper presents a novel neural network based model, called gated relational probabilistic stacked denoising autoencoder with localized author (GRSLA) embedding, for global citation recommendation task. Our model is comprised of two modules with different neural network architecture. For each citing and cited papers, we use a gated paper embedding module, which is extended from probabilistic stacked denoising autoencoder (PSDAE) by adding gated units, to obtain their paper vectors. The added gated units are able to utilize text information of cited paper to refine the vector representation of citing paper in multiple semantic levels. For an author in papers, we first apply topic model to obtain his/her semantic neighbors, and then use a localized author embedding (LAE) module to excavate author vector representation from semantic and explicit neighbors. Unlike most graph convolutional network (GCN) based methods, the LAE module is able to avoid computing global Laplacian in whole graph by taking limited neighbors. Moreover, the LAE module can also be stacked to absorb more neighbors, which makes our model have high extendibility. Based on the generation process of GRSLA, we also derive a learning algorithm of our model by maximum a posteriori (MAP) estimation. We conduct experiments on the AAN, DBLP and CORD-19 datasets, and the results show that GRSLA model works well than previous global citation recommendation methods
Behavior and Influence Mechanisms of Enterprises Using Government Subsidies: Evidence from China
No full textThis dataset of China's A-share listed companies is manually compiled by the author, and is used to study the behavior and influence mechanisms of enterprises using government subsidies
First engineering framework for the out-of-plane robotic shaping of thin rheological objects
No full textThe automatic manipulation and shaping of soft rheological objects is a very challenging and hot topic of research. The deformation control of soft objects is eagerly required in economically important applications in the food industry, in surgical robotics, and in the assembly of flexible objects. The main challenges are the estimation of the object deformation properties and the dynamic control of its shape using the motion of a tool, usually actuated by a robot manipulator. The proposed framework addresses these challenges and represents an important breakthrough in the robotic shaping of thin rheological objects. Indeed, this is the first work in the literature in which the out-of-plane robotic shaping of a thin rheological object is modeled and experimentally validated. As a foundation for the proposed framework, a novel catenary-like Mass-Spring-Damper (MSD) model formed of lumped masses interconnected with three-element units is proposed to study and simulate the dynamics of the shaping of a thin rheological material over a moulding object. First, a three-step method for identifying the material properties from experimental tensile tests is proposed and validated. The method has allowed both to identify the material properties and to validate the three-element material model used, thanks to the close agreement between the material mathematical model and the experimental data. Then, a multibody model of the whole rheological object is proposed, which has been validated thanks to the close agreement between the simulated deformation profile and the experimental one. Finally, the validated model is used in order to compare different shaping movements and velocities of the tool by dynamic simulations. A two-step shaping movement, which has been experimentally validated in a robotic cell in industrial environment, results more advantageous with respect to simpler motions since significantly reduced internal forces are generated in the material while the quality of the shaping operation is still guaranteed. The proposed framework has then enabled the realization of the world’s first smart manufacturing plant for the high quality robotic shaping of thin rheological objects in the food industry
Periacma simaoensis Li, Wang & Yan 1996
No full textPeriacma simaoensis Li, Wang & Yan, 1996 (Figure 14) Periacma simaoensis Li, Wang & Yan, 1996: 205. Wing expanse: 16.5 mm. Material examined: Holotype: „, Simao (22 ° 48 9 N, 100 ° 58 9 E), Yunnan Province, 1325 m, 24 April 1995, coll. Guangyun Yan. Distribution: China (Yunnan). Remarks: This species resembles P. fengxianensis, but can be distinguished from the latter by the uncus not dilated apically, the sacculus heavily sclerotized distally, and the aedeagus with distal 1/6 divided into two parts.Published as part of Wang, S. X. & Li, H. H., 2006, Review of the genus Periacma Meyrick (Lepidoptera, Oecophoridae) from China, with descriptions of four new species, pp. 2371-2393 in Journal of Natural History 40 (41 - 43) on page 2382, DOI: 10.1080/00222930601088123, http://zenodo.org/record/523174
Qianqiu zha ji: liu juan. v.1
No full text[閻若璩撰].綫裝.框19x14.8公分, 11行20字, 小字雙行同, 白口, 左右雙邊, 單黑魚尾, 版心中鐫題名及卷次, 下鐫葉次及"眷西堂".版刻年據序.内封面鐫"太原閻百詩先生集", "眷西堂藏板".鈐印"松阪學問所".With: 左汾近稾 / 閻詠遺稾 ; 程崟校梓.Xian zhuang.Kuang 19 x 14.8 gong fen, 11 hang 20 zi, xiao zi shuang hang tong, bai kou, zuo you shuang bian, dan hei yu wei, ban xin zhong juan ti ming ji juan ci, xia juan ye ci ji "Juan xi tang".Ban ke nian ju xu.Nei feng mian juan "Tai yuan Yan Baishi xian sheng ji", "Juan xi tang cang ban".Qian yin "Song ban xue wen suo".[Yan Ruoqu zhuan].With: Zuo fen jin gao / Yan Yong yi gao ; Cheng Qin jiao zi
Yan Huagu shi ji
No full text嚴粲述.綫裝.附《蒙齋袁先生手帖》, 《詩緝清濁音圖》, 《十五國風地理圖》.《詩緝清濁音圖》後鐫"趙府栞于居敬堂"刊記.框20.2 x 14.3公分, 9行18字, 小字雙行同, 白口, 四周雙邊, 單綫魚尾. 版心上鐫"味經堂", 中鐫書名及卷次.鈐: "沙羡邾", "藏之名山傳之其人", "明上谷鶴林梁氏藏書記", "臣樟私印", "秋崖子朱克生".Xian zhuang.Fu "Meng zhai Yuan xian sheng shou tie", "Shi ji qing zhuo yin tu", "Shi wu guo feng di li tu"."Shi ji qing zhuo yin tu" hou juan "Zhao fu kan yu ju jing tang" kan ji.Kuang 20.2 x 14.3 gong fen, 9 hang 18 zi, xiao zi shuang hang tong, bai kou, si zhou shuang bian, dan xian yu wei. Ban xin shang juan "Wei jing tang", zhong juan shu ming ji juan ci.Qian: "Sha yi zhu", "Cang zhi ming shan zhuan zhi qi ren", "Ming shang gu he lin liang shi zang shu ji", "Chen zi si yin", "Qiu ya zi mi ke sheng".Yan Can shu
Measurement of the differential and double-differential Drell-Yan cross sections in proton-proton collisions at root s=7 TeV
No full textMeasurements of the differential and double-differential Drell-Yan cross sections are presented using an integrated luminosity of 4.5 (4.8) fb−1 in the dimuon (dielectron) channel of proton-proton collision data recorded with the CMS detector at the LHC at s√ = 7 TeV. The measured inclusive cross section in the Z-peak region (60–120 GeV) is σ(ℓℓ) = 986.4 ± 0.6 (stat.) ± 5.9 (exp. syst.) ± 21.7 (th. syst.) ± 21.7 (lum.) pb for the combination of the dimuon and dielectron channels. Differential cross sections dσ/dm for the dimuon, dielectron, and combined channels are measured in the mass range 15 to 1500 GeV and corrected to the full phase space. Results are also presented for the measurement of the double-differential cross section d2σ/dm d|y| in the dimuon channel over the mass range 20 to 1500 GeV and absolute dimuon rapidity from 0 to 2.4. These measurements are compared to the predictions of perturbative QCD calculations at next-to-leading and next-to-next-to-leading orders using various sets of parton distribution functions
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