The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Tea is very popular in the world owing to its numerous therapeutic effects in lowering blood pressure, decreasing blood coagulation, repairing oxidative damage among many others. Due to their promising biodegradability, biocompatibility and antimicrobial activity, tea nanoparticles isolated from tea leaves have a great potential for various biomedical applications. Small molecules like polyphenols...
Alzheimer's disease (AD), a type of progressive neurodegenerative disorder disease, has affected more than 5 million Americans and has already become a primary cause of death for older people in the United States, which is just behind heart disease and cancer. The production and aggregation of amyloid-beta (Aβ) peptide in plaques in extracellular spaces, as well as in the walls of blood vessels, have...
With the booming development of Modern information technology revolution, accounting environment has been greatly changed, and the traditional accounting information system already cannot satisfy the diversity and personalized needs of enterprise stakeholders. This paper is meeting the needs of corporate stakeholders on event accounting approach, it introduces event vouchers in the economic transaction...
For a highly integrated wireless system including on-chip antennas, high-output-power power amplifiers (PA) are required to cover the desired transmission range. In order to achieve the output power level, power-combining techniques have gained more attention in recent years [1–5]. An efficient power-combining solution is essential since less DC power is needed for the same level of output power,...
The article instructs the work principle of the injector device and its application in the reverse-circulation sampling drilling bit. Then use the fluent fluid engineering emulator software to simulate the internal fluid territory of the injector when the obliquity is 15, 30,45,60,75 and 90 degree. The pressure distributing cloud chart and the corresponding numerical value has been gotten. An injector...
The main important factors to affect the evacuation of people by analyzing the fire theory happened in the underground space have been gotten. They are fire temperature, smoke concentration, and poisonous gas and ventilated velocity etc key factors. Do the emulation analysis about some kind of underground space fire by fire simulation software Smart-fire and the fire scene and situation have been...
Fire in the underground long and big tunnel is a serious accident. Itpsilas very essential to study the evacuation technology and rescue people in the fire situation. The authors do the theory research about the fire factors that affect the peoplepsilas lives in the tunnel, including high temperature, toxic gases, visibility and heat radiation and so on. Adopted the technical engineering risk theory,...
Air drive reverse circulation bit interior fluid field analysis has relied on experiments for a long time. With the development of the computer, numerical simulation and emulation software brought many advantages contrasting the experiment. However, due to the complexity of the interior fluid field, few people have done the resolution calculation for it. In this article, through simplifying the air...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.