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New findings reveal how neurons build and maintain their capacity to communicate（图）
神经元 神经细胞 钙通道
2023/6/5
The nervous system works because neurons communicate across connections called synapses. They “talk” when calcium ions flow through channels into “active zones” that are loaded with vesicles carrying ...
In science fiction, firing powerful lasers looks easy -- the Death Star can just send destructive power hurtling through space as a tight beam. But in reality, once a powerful laser has been fired, ca...
AN INTERFEROMETRIC PROCESSING METHOD TO MAINTAIN BOTH ACCURACY AND RESOLUTION OF DEM USING GAOFEN-3 SAR DATA
Gaofen-3, TanDEM-X, DEM, multi-look
2018/5/14
Gaofen-3 (GF-3) is the only in-orbit SAR satellite of China civilian fields. It is designed especially for ocean observation but not for interferometric applications. However, during the past one and ...
Highly proficient bilinguals maintain language-specific pragmatic constraints on pronouns: Evidence from speech and gesture
non-pro-drop patterns non-pro-drop language
2017/8/25
The use of subject pronouns by bilingual speakers using both a pro-drop and a non-pro-drop language (e.g. Spanish heritage speakers in the USA) is a well-studied topic in research on cross-linguistic ...
Bacteria come in all shapes and sizes — some are straight as a rod, others twist like a corkscrew. Shape plays an important role in how bacteria infiltrate and attack cells in the body.The helical sha...
Negative feedback loops help maintain function of mutated proteins
Negative feedback loops maintain function mutated proteins
2016/7/4
Negative feedback is a universal control mechanism that lets a system’s output throttle its input. If an engine revs up, negative feedback tapers its power source. But if the engine slows down, it re-...
Green and yellow vegetables can maintain body stores of vitamin A in Chinese children
China kindergarten children total-body vitamin A stores
2016/6/2
Vitamin A activity of plant provitamin A carotenoids
is uncertain.The objective was to determine whether plant
carotenoids can sustain or improve vitamin A nutrition during
the fall season in kinde...
Branched-chain Amino Acids are Beneficial to Maintain Growth Performance and Intestinal Immune-related Function in Weaned Piglets Fed Protein Restricted Diet
Weaned Pig Growth Performance Immunity Small Intestine Morphology Immunoglobulin
2016/5/19
As a novel approach for disease control and prevention, nutritional modulation of the intestinal health has been proved. However, It is still unknown whether branched-chain amino acid (BCAA) is needed...
French–Dutch bilinguals do not maintain obligatory semantic distinctions: Evidence from placement verbs
functional bilinguals placement verbs French Dutch convergence
2015/5/5
It is often said that bilinguals are not the sum of two monolinguals but that bilingual systems represent a third pattern. This study explores the exact nature of this pattern. We ask whether there is...
Management of Strategic and Operational Plans in Rescue Organizations to Maintain Preparedness against Disasters
Management Strategic Operational Plans Rescue Organizations Maintain Preparedness against Disasters
2015/9/25
Iranian Red Crescent Society is a charitable and non-profit organization playing an active role in public-benefiting and humanistic affairs and services offered for rescue operations. The prospect of ...
DATA UPDATING METHODS FOR SPATIAL DATA INFRASTRUCTURE THAT MAINTAIN INFRASTRUCTURE QUALITY AND ENABLE ITS SUSTAINABLE OPERATION
Spatial Information Sciences Spatial Infrastructures Framework Data Sustainable GIS Reliability
2014/4/28
The Japanese government, local governments and businesses are working closely together to establish spatial data infrastructures in
accordance with the Basic Act on the Advancement of Utilizing Geos...
Protect, Maintain Information Integrity to Reduce Business Risk
the importance of protecting integrity of an organization recordkeeping programs
2011/10/29
The article focuses on the importance of protecting the information integrity of an organization to lessen financial risk in the U.S. To attain the aim of information integrity, it notes that organiza...
UQ gives thanks for body donations to maintain highest health care standards
body donations highest health care standards
2010/3/15
The ultimate altruistic sacrifice of more than 90 anatomy donors will be recognised at The University of Queensland's annual Thanksgiving Service on Wednesday, May 5. This year's UQ Thanksgiving Servi...
Utilization of Hot Water Treatments for Reducing External Damage and Maintain Quality of Hass Avocado Fruits
Avocado Hot water External damage Injury Quality Phenols Firmness Enzymes activity
2010/11/15
Postharvest hot water treatments on external damage and fruit quality and ripening of Hass
avocado were investigated. Avocado fruits were placed in hot water bath at 50oC for 5 or 10 min. prior to lo...
Can a Rapider Freezing Rate Maintain Chicken Breast Quality?—Evaluation Using Vacuum Cooking—
chicken breast freezing rate quality muscle microstructure softness
2009/8/27
Chicken breasts were frozen using 3 methods: the super slow freezing method (approximately -0.30°C/min), the slow freezing method (approximately -1.4°C/min), and the liquid nitrogen-freezing method (a...