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27 Aug 09
[LTR] An Evaluation of the Effect of Response Formats on Data Quality in Web Surveys -- Heerwegh and Loosveldt 20 (4): 471 -- Social Science Computer Review
An Evaluation of the Effect of Response Formats on Data Quality in Web Surveys
17 Aug 09
simon.says : Implementing Getting Things Done using Outlook 2007
4. To turn an incoming Email into a task (something I have to do), I assign it two categories (action and project) and move it to my tasks folder. Using Keyboard shortcuts, I discovered this can be done as follows (to create a task from the currently selected item, set the project category to TechEd and the action to @Office):
ALT-A, I, A, @ O F F I C E, [SPACE], @ T E C H E D, [SPACE], [ENTER] (to categorize)
CTRL-SHIFT-V, T, ENTER (to move)
To file an item from my inbox – I select and:
ALT-A, I, A, @ T E C H E D, [SPACE], [ENTER] (to categorize)
CTRL-SHIFT-V, F, ENTER (to move) (this sends it to my “file” folder, which is the only one beginning with “f”)
05 Aug 09
Social software - Wikipedia, the free encyclopedia
Social software encompasses a range of software systems that allow users to interact and share data. This computer-mediated communication has become very popular with social sites like MySpace and Facebook, media sites like Flickr and YouTube as well as commercial sites like Amazon.com and eBay.
（日）雅梅雅梅《B型人说明书》chm电子书下载
www.guyizhou.cn
12 May 09
第三章 骨及骨连接--第一节 躯干骨及其连接-生物谷医学频道
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椎体vertebral body约呈短圆柱状，内部为骨松质，外为薄层骨密。上、下椎体以软骨连成柱状，支持体重。椎弓vertebralarch在椎体后方，与椎体相连的部分叫椎弓根，稍细，上下各有一切迹，下切迹较明显。相邻椎骨之间在椎弓根处形成椎间孔intervertebralforamina。椎弓的后部呈板状，叫椎板。左右椎板相连形成完整的椎弓。椎体和椎弓共同围成椎孔vertebralforamen，24个椎骨的椎孔连成贯穿脊柱的椎管vertebral canal以容纳保护脊髓。椎弓上有七个突：向后方伸出的一个叫棘突spinousprocess，多数可在背部正中线摸到；左右各伸出一个横突transverseprocess，棘突和横突都有韧带和肌肉附着；椎弓上下各有一对突起，叫上、下关节突superiorand inferior articular processes，相邻椎骨的上、下关节突相对，以关节面组成关节。
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胶状的髓核nucleuspulposus
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脊椎_百度百科
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脊椎疾患国内外的治疗方法繁多，总的来说，有手术治疗和非手术治疗两大类别。手术治疗主要目的是解除脊髓、神经根等所受的压迫、恢复脊柱正常的解剖结构及生物力学的稳定性。实际上需要手术的患者较少，仅占不足10%，绝大部分患者通过非手术方法便可以得到治疗。除了有非常明确的手术指征外，脊椎疾患应以综合的非手木治疗为主，应强调术后尽早介入康复治疗。以下介绍目前主要的非手术治疗方法。
脊柱_百度百科
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脊柱由脊椎骨及椎间盘构成，是一相当柔软又能活动的结构。随着身体的运动载荷，脊柱的形状可有相当大的改变。脊柱的活动取决于椎间盘的完整，相关脊椎骨关节突间的和谐。
脊柱的长度，3/4是由椎体构成，1/4由椎间盘构成 -
脊柱由26块脊椎骨合成，即24块椎骨（颈椎7块、胸椎12块、腰椎5块）、骶骨1块、尾骨1块，由于骶骨系由5块，尾骨由4块组成，正常脊柱也可以由33块组成。（如图：脊柱侧面||脊柱后面）
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Factor Analysis: Statnotes, from North Carolina State University, Public Administration Program
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Ideally, the researcher wants a "simple factor structure," with all main loadings greater than .70 and no cross-loadings greater than .40
02 May 09
Semantically structured tag clouds
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The results of our work indicate that semantically clustered tag clouds can provide improvements over random layouts in specific search tasks and that they tend to increase the attention towards tags in small fonts compared to other layouts. Also, semantically structured tag clouds were preferred by about half of the users for general search tasks. Tag cloud layout does not seem to influence the ability to remember tags.
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