(2022·江苏省前黄高级中学高二开学考试)Whenhydrogen(氢气)burns,theonlybyproductiswater—whichiswhyhydrogenhasbeenanattractivezero-carbonenergysourcefor decades.Yetthetraditionalprocessforproducinghydrogen,inwhichfossilfuelsareexposedto steam,isnotevenremotelyzero-carbon.Hydrogenproducedthiswayiscalledgrayhydrogen;if...
In this context, active refers to a condition that involves the execution of the physical activity, whereas passive refers to a condition in which the participants were typically asked to take a seated rest (e.g., reading) for the duration of the acute intervention (i.e., in acute ...
thatlightcandamageoureyesundercertaincircumstances,there?snoscientificevidencesuggestingthatbluelightisharmfultooureyes.But manypeoplestillthinkitis,whichiswhybluelight-blockingglassesaresopopular.Sodothe glasseswork? “Everyoneisveryconcernedthatbluelight maybecausingdamagetotheeye,butthere?sno evidencethatitmaybeca...
The start of retirement is an important stage in an (older) adult's life and can affect physical activity (PA) and/or sedentary behaviors, making it an ideal period to implement health interventions. To identify the most optimal timing of such interventions it is important to determine how ...
Common Examples of Passive Cyber Threats: Computer surveillance: The monitoring of computer activity and data stored on a hard drive. Network surveillance:The monitoring of activity and data being transferred over computer networks. Wiretapping:The monitoring of telephone and Internet-based conversations ...
Information security is intended to protect organizations against malicious attacks. There are two primary types of attacks: active and passive. Active attacks are considered more difficult to prevent, and the focus is on detecting, mitigating and recovering from them. Passive attacks are easier to ...
There are different types of flexibility training like active, passive and dynamic flexibility training. Active flexibility training uses...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough homework and study...
obesity; overweight; children; Polish population; physical activity1. Introduction A number of public health studies have indicated that obesity is a complex but rapidly growing global epidemic which affects children and adults [1,2]. Contrary to documented evidence in the last fifty years, both ...
Destination personality also influenced activity preferences. Honesty positively influenced passive visits, while ruggedness positively influenced the preference for participation in organized events. This finding means that if people perceived the destination as sincere and honest (convivial, sentimental, etc....
The flow mental state is generally less common during periods of relaxation and makes itself present during challenging and engaging activities. According to Csikszentmihalyi, “The best moments in our lives are not the passive, receptive, relaxing times… the best moments usually occur if a person...