Putting the “P” in PT     

Danny Langdon 《Performance Improvement》2000,39(2):5-7

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以巧破千钧 发球抢攻之近网轻击     

Danny  大志 《体育博览》2010,(2):34-35

在业余比赛中,更多的人喜欢站在底线那里等待对手的失误,但往往对手还没有失误自己却由于体力不支而先行缴械。所以对于业余球员来讲,合理运用发球抢攻战术能够节省宝贵的体力,并主动逼迫对手出现失误。  相似文献   

100只猴子的品牌命名     

Danny 《世界发明》2009,(4):94-94

如果你有一个坏名字,那可真是后患无穷。通用汽车的品牌“NOVA”,在英语里面好听,但在西班牙语中它是“走不动”的意思,所以在那些说西班牙语的拉丁美洲国家中这一款车无人问津  相似文献   

London and the English desert – the geography of cultural capital in the UK     

Danny Dorling  Benjamin D. Hennig 《Cultural Trends》2016,25(1):35-46

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Impact of family abuse on running away, deviance, and street victimization among homeless rural and urban youth     

Thrane LE  Hoyt DR  Whitbeck LB  Yoder KA 《Child abuse & neglect》2006,30(10):1117-1128

PROBLEM: Various demographic and familial risk factors have been linked to runaway behavior. To date, there has not been a systematic investigation of the impact of size of community on runaway behavior. This study will compare runaways from smaller cities and rural areas to their urban counterparts. METHODS: A convenience sample of 602 adolescents was interviewed between 1995 and August of 1996 in Missouri, Iowa, Nebraska, and Kansas, USA. Multiple regression was used to examine the association between gender, neglect, sexual abuse, physical abuse, geographic and family structure change, and community size of first runaway to predict age at first runaway, deviant subsistence strategies, and street victimization. RESULTS: Findings indicate that adolescents exposed to neglect (beta=-.20) and sexual abuse (beta=-.16) ran away sooner and were more likely to be victimized on the street. Rural adolescents who experienced higher levels of physical abuse relied more heavily on deviant subsistence strategies (beta=.15) and remained in abusive homes longer (beta=.15) than their similarly situated urban counterparts. CONCLUSIONS: Rural youth who have been subjected to elevated levels of familial abuse are at greater risk of deviant subsistence strategies, which increase the likelihood of street victimization.  相似文献   

A new fabrication technique to form complex polymethylmethacrylate microchannel for bioseparation     

Jubery TZ  Hossan MR  Bottenus DR  Ivory CF  Dong W  Dutta P 《Biomicrofluidics》2012,6(1):16503-1650313

Recent studies show that reduction in cross-sectional area can be used to improve the concentration factor in microscale bioseparations. Due to simplicity in fabrication process, a step reduction in cross-sectional area is generally implemented in microchip to increase the concentration factor. But the sudden change in cross-sectional area can introduce significant band dispersion and distortion. This paper reports a new fabrication technique to form a gradual reduction in cross-sectional area in polymethylmethacrylate (PMMA) microchannel for both anionic and cationic isotachophoresis (ITP). The fabrication technique is based on hot embossing and surface modification assisted bonding method. Both one-dimensional and two-dimensional gradual reduction in cross-sectional area microchannels were formed on PMMA with high fidelity using proposed techniques. ITP experiments were conducted to separate and preconcentrate fluorescent proteins in these microchips. Thousand fold and ten thousand fold increase in concentrations were obtained when 10 × and 100 × gradual reduction in cross-sectional area microchannels were used for ITP.  相似文献   

Algorithmic copywriting: automated generation of health-related advertisements to improve their performance     

Youngmann  Brit  Yom-Tov  Elad  Gilad-Bachrach  Ran  Karmon  Danny 《Information Retrieval》2021,24(3):205-239

Information Retrieval Journal - Search advertising, a popular method for online marketing, has been employed to improve health by eliciting positive behavioral change. However, writing effective...  相似文献   

What Can We Learn from Art Practices? Exploring New Perspectives on Critical Engagement with Plurality and Difference in Community Art Education     

Danny Wildemeersch 《The International Journal of Art & Design Education》2019,38(1):168-181

The article presents a case of community art education in Leuven, Belgium. Participants who belong to disenfranchised groups of the local community were invited to engage in artistic actions and performances aiming at familiarising them with modern art practices. Such experiments are often disqualified as being irrelevant to the life‐conditions of these families in poverty, and hence as non‐emancipatory. In this article, the emancipatory quality of such initiatives is explored with reference to the art practices of the Belgian/Mexican artist Francis Alÿs and the reflections on emancipation by the French philosopher Jacques Rancière. These reflections help to shed a new light on the emancipatory dimension of community art practices and to consider theoretical concepts such as ‘poor pedagogy’.  相似文献   

The effects of acute stretching on hamstring muscle fatigue and perceived exertion     

Laur DJ  Anderson T  Geddes G  Crandall A  Pincivero DM 《Journal of sports sciences》2003,21(3):163-170

The aim of this study was to examine the effects of an acute stretching regime on hamstring muscle fatigue and rating of perceived exertion during a dynamic, sub-maximal bout of resistance exercise. Sixteen healthy males (age 25.7 +/- 4.3 years, height 1.81 +/- 0.06 m, body mass 87.5 +/- 15.1 kg; mean +/- s) and 16 healthy females (age 24.9 +/- 4.5 years, height 1.67 +/- 0.06 m, body mass 62.9 +/- 9.4 kg) volunteered to participate in two experimental sessions. After establishing their one-repetition maximum for the hamstring curl, the participants were assigned at random to one of two groups. Group 1 performed three bouts of 20 s hamstring stretches with the assistance of one of the investigators, while group 2 did not perform the stretches; instead, they sat resting for 3 min. Then, after stretching or resting, the participants performed as many hamstring curls as they could at 60% of their one-repetition maximum established earlier. All participants were assessed for their perceived exertion using a modified Borg category ratio (CR-10) scale. The participants returned within 1 week to complete the experiment. This time group 1 did not perform hamstring stretches, whereas group 2 did. As on the first occasion, all participants performed hamstring curls after stretching or resting. The participants in group 1 were able to perform more curls on the second day of testing than their counterparts in group 2. There were no significant differences between males and females or between the stretch and non-stretch conditions. There was a significantly higher first repetition rating of perceived exertion for the stretch condition (2.88 +/- 1.01) than for the non-stretch condition (2.50 +/- 0.95); there was no significant difference in the median ratings of perceived exertion between the stretch and non-stretch conditions. Significantly higher power function exponents were exhibited in the non-stretch (0.57 +/- 0.16) than in the stretch condition (0.51 +/- 0.12). In addition, females exhibited significantly higher power function exponents than males, irrespective of stretch condition and day (females: 0.59 +/- 0.12; males: 0.49 +/- 0.11). In conclusion, we found a small but statistically significant effect of an acute bout of stretching on ratings of perceived exertion during fatiguing hamstring muscle resistance exercise.  相似文献   

Tears,laughter, anxiety,and awe: The first day of kindergarten     

Danny Fulks 《Early Childhood Education Journal》1987,15(1):18-19

Few events can compare with the magnitude and the impact of the first day of school for a five-year-old child. And for the principal players—the teachers and the students—it is an experience that lasts forever. He is also a free-lance writer with more than fifty articles and books published.  相似文献