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1.
"李约瑟难题Ⅱ":为什么在公元前2世纪到公元15世纪期间,中国文明在获取自然知识并将其应用于人的实际需要方面成效较高,而现代科学未在中国文明中成长。从"元气说"的角度看,气既是自然物质的本原,也是人类精神的本原;既具有多元性与连续性,又具有应变性与感应性。这使中国科学技术及其思维范型的适应能力、同化能力与扩展应用能力较强。同时,元气说也是现代科学的思想宝库。因此,我国应重视传统文化建设与科学文化建设并汲取中国传统文化中的科学精神。  相似文献   

2.
乔月  张洪 《科技信息》2013,(15):253-253
<正>Ernest Hemingway is one of the most famous American novelists,short story writer and essayist,whose deceptively simple prose style hasinfluenced wide range of writers.The writing style of Hemingway is social.He usually describes hisown true experience in this novel.Hemingway creates many "HemingwayHeroes".They live in great pressure,they suffer from painful physicalwound and terrible mental wound,but they always keep stances of man-hood,such as Santiago in The Old Man and the  相似文献   

3.
本文阐述了定语从句中关系代词“As”和“Which”的主要用法及其在非限定性定语从句中的区别。通过大量的例句进行比较,分析,说明,使读者很容易理解并掌握二者的用法及区别,这对学习英语语法,掌握定语从句有一定的帮助作用?  相似文献   

4.
岳凤霞 《科技信息》2012,(21):199-200
The author investigates the phenomenon of head movement, taking the finite verb have in some varieties of English as an example. Moreover, the author describes the importance of adjacency and head movement constraint, and makes an in -depth analysis of this language phenomenon.  相似文献   

5.
Eichenbaum and colleagues observed that the same place did or did not activate the "goal-approach" cells in hippocampus depending on whether the place was the way for rats to approach specific goal. Parallel with this, the present neuroimage study revealed that, the same type of items could activate the hippocampus more when it was related to the task at hand than when it not. Participants were scanned by fMRI while they made judgments on the type of relationships contained in the word-pairs (e.g., Does the word pair, "furniture-table", contain a "category-exemplar" relationship?). Event-related analysis revealed that the forming of "task-related" association activated hippocampus more than that of "task-unrelated", even if it was the same type of items, and, this hippocampal difference was not caused by the different judgment requirements, nor by the effects of "yes" response. Consistently, the post-judgment cued-recall test exhibited a better retrieval performance for "task-related" associations than for the same type but "task-unrelated" associations. Results also showed that, the semantic relatedness between the to-be-associated individual words (e.g., the related word pair "healthy-hospital" versus the unrelated word pair "price-way") was not enough to activate the hippocampus when it was "task-unrelated". Generally, we proposed that, through participating in forming of "task-related" associations and consolidating of episodic memory, hippocampus enabled the organism to keep the information that owned great survival values in mind for future usage.  相似文献   

6.
刘颖 《科技信息》2011,(23):I0243-I0246
In the biography of The Hereditary House of the Marquis of Liu, Zhang Liang,the major character,is undoubtedly regarded as a great talent in military strategy as well as a prototype of wisdom in later Chinese novels.However,the author Sima Qian compares Zhang Liang to a woman in his concluding remarks,which greatly reflect his ambiguous attitude toward Zhang Liang.To find out the reason why Zhang Liang's portrait is more significant than his image revealed in the narrative provides readers a chance to inspe...  相似文献   

7.
浦小丽 《科技信息》2008,(20):183-183
Some little words such as "well" are essential to successful communication and the proper use of them is of great importance. The author classifies the pragmatic function of "well" in Friends into 4 categories, illustrating them with examples.  相似文献   

8.
张杨  孙倩 《科技信息》2009,(16):97-98
The study focuses on uses of different category of verbs in two learners’writing about the events happened in the past.The results suggest that errors of past tense include:present tense used instead of past tense,overuse of past tense,misuse of verb’s past tense form,perfect used instead of past,and be added before verb instead of past.The results of errors for each verb category are that states and activities are made more errors in past tense expressions,and there was little difference between states and...  相似文献   

9.
10.
"Journal of Jilin University(Science Edition)"is a comprehensive academic journal in the fields of science sponsored by Jilin University and administrated by the Ministry of Education of the People's Republic of China.The journal started publication in 1955.The original name at starting publication was"Journal of Natural Science of Northeast People University",  相似文献   

11.
A series of polyester, cotton, and polyester/cotton blend fabrics were evaluated in a subjective wear. Subjective trial data were correlated with the results of in-house laboratory tests with the regression methods. Experimental results indicate that clothing-comfort assessment by human perception provides a sound basis for comparison of apparel garments under combined microclimates and human-activity levels of  相似文献   

12.
本文设计了一种由高收缩涤纶短纤维与粘胶纤雏混纺中长纱纺制的仿毛织物,讨论了设计中高收缩纤维的含量、纱线结构、收缩率与织物密度等问题,研究了织物的服用性能。  相似文献   

13.
Coolmax织物湿舒适性能的灰色聚类分析   总被引:1,自引:0,他引:1  
对Coolmax织物、棉、涤纶、涤棉织物的芯吸效应、保水率、干燥率、透湿性、透气性进行了测试分析;并通过人体穿着试验对服装的湿舒适性进行了评价;最后利用灰色聚类分析对6种织物的湿舒适性能做了综合评价。结果表明:Coolmax织物的湿舒适性能优于普通涤纶、棉、涤棉织物;客观试验与主观穿着试验的结果具有较好的一致性。  相似文献   

14.
轻薄型羊毛机织面料的舒适性研究   总被引:3,自引:0,他引:3  
通过人工气候条件下的人体穿着试验,对轻薄型羊毛机织面料的舒适性进行了研究。结果表明,在制作贴身穿着服装时,轻薄型羊毛机织面料的总体舒适感不及蚕丝、棉及涤棉等面料,主要原因是其存在刺痒感.同时还表明,面料的柔软度是影响贴身穿着服装的总体舒适感的非常重要的因素。  相似文献   

15.
Main factors influencing anti-ultraviolet performance of woven fabrics are investigated. By means of detailed arrangement of sample design, sample making, testing and analyzing, it shows that fiber materials, fabric compactness, fabric weave and yarn type are the four important factors influencing anti-UV performance of woven fabric, but with different effects. Among them fiber material is the most important factor. For the common fiber materials used, it shows that the anti-UV performance of polyester is comparatively better than others. Once fiber material is determined, fabric with medium float weave and high compactness can offer a good anti-UV performance. The anti-UV performance of fabric with "anti-UV" filament yarn is better than that with "anti-UV" staple yarn. The anti-UV property of fabrics with untwisted filament yams is better than that with twist counterparts.  相似文献   

16.
The comfort of the light-weight woven fabrics was investigated by conducting the wear trials under the controlled climatic conditions. The wear trial under the neutral environmental conditions showed that the lightweight wool and wool blend fabrics are generally less comfortable than the silk fabric, cotton poplin and polyester/cotton poplin fabrics tested in this study. The main shortcoming in terms of comfort for these lightweight wool fabrics is the prickle. Besides, the fabric softness was found to be a very important factor influencing the comfort of the clothing worn next to the skin.  相似文献   

17.
Pressure garments are widely used in Hong Kong andmany other countries for burn rehabilitation.Thesegarments are mainly made of elastic Lycra fabrics andtailor-made to individual patient's measurement toprovide an appropriate amount of skin-garment in-terface pressure for medical treatment.However,thefabric tension would be reduced due to fabric elonga-tion under prolonged period of stress,and thus theskin-garment interface pressure cannot be main-tained after repeated use of the garment.This paperaims to study the behaviour of fabric elongation of thefabrics commonly used for making pressure garmentsin U.K.and/or Hong Kong.Attempts to correct theexisting practice of drafting the pressure garments forproviding a more effective clinical treatment.  相似文献   

18.
The low stress mechanical properties of a pure wool and a wool / polyester blend twill fab-rics which were abraded at various abrasion cycles were measured using the KES-F system andthe Instron tensile machine. The surface change of fabrics before and after abrasion was stu-died by means of scanning electron microscope. With the increasing number of cycles, the re-covery behavior of the fabrics studied in tensile, shear and bending deformation decrease, theantibuckling ability lowers, the friction coefficient increases. The geometric roughness de-creases during the first step of abrasion then enhances with further abrasion. The influence ofabrasion on mechanical properties of the pure wool fabric are larger than that of blend fabric.  相似文献   

19.
夏季服装面料的舒适性研究   总被引:6,自引:2,他引:4  
通过人工气倏条件下的人体穿着试验,探讨了出汗对夏季服装面料舒适性的影响。研究表明在人体没有出汗的条件下,柔软度是影响夏季服装面料舒适性的主要因素。在人体出汗的条件下,服装面料的舒适性普遍降低,其中涤纶面料的舒适性降低最为显著,主要原因是由于涤纶纤维的吸湿性差。  相似文献   

20.
本文对三利,不同粘合加固纤维网方法(乳液喷洒法,双组分低熔点纤维和热熔粉末粘合法)所制得的高膨松非织造布的性能进行了测试,并对各生产过程特点和产品性能逆行了比较。在高膨松性非织造布的体积密度范围内,有空气对流传热机理存在。导热系数随体积密度增加而降低,在单位面积重量相同条件下,膨松度高的非织造布。织物表现厚度大,虽然导热系数高,但织物传热量较低,其绝热保暖性好。  相似文献   

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