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The first type of contact lens that can delay children's myopia has been approved by FDA
Time of Update: 2019-11-26
Recently, the U.S. FDA approved the world's first contact lens that can slow down the development of myopia in children.
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Good news for nearsighted children! FDA approved the first contact lens to delay the development of myopia in children
Time of Update: 2019-11-17
On November 16, the FDA announced the approval of the first contact lens for delaying the development of myopia in children aged 8-12.
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of Sciences: oil water solid interface contact electrification and its application in double signal chemical sensor
Time of Update: 2019-09-08
Since the advent of the friction Nanogenerator (Teng), researchers have developed a variety of friction nanogenerators
Not only the friction electrification between
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Summary of Academician Wang Zhonglin, mater. Today: the root of contact electrification
Time of Update: 2019-06-19
Author: triboelectrification is the most common and basic electrical phenomenon in the research group of Academician Wang Zhonglin
Its scientific name is contact
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A scheme for detecting the moisture permeability of human contact medical dressings
Time of Update: 2017-12-21
Abstract: the moisture permeability of medical dressings has an important influence on the cleaning and healing of wounds, and it is an important aspect to measure its performance
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Summary of foreign regulations on polyethylene plastic food contact materials
Time of Update: 2016-11-29
Article 16 of the law stipulates the general safety requirements for food contact materials, and Article 18 stipulates that the Ministry of health, labor and welfare shall formulate the specification standards and test method standards for food contact materials.
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Graphene purified by new technology is more stable, and its performance remains unchanged after ten minutes of contact with ozone
Time of Update: 2016-10-21
Although this method has high reactivity, ozone will destroy the residual polymer and cause defects in graphene, which will weaken its performance.
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Ireland shire PLC confirms the fourth contact with abbvie
Time of Update: 2014-07-14
The company hopes to further enrich its product line through the acquisition of shire PLC.
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China Association for the promotion of drugs held a meeting on contacting secretaries of member units in 2013
Time of Update: 2013-09-10
Song Ruilin, executive chairman of China Association for the promotion of drugs, presided over the discussion on the key work of 2014 and made a special report on "opportunities and challenges brought by current hot issues to enterprises".
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Oxygen permeability test of contact lenses
Time of Update: 2010-01-28
The oxygen permeability of contact lenses is an important index of contact lenses
The oxygen permeability of contact lenses directly affects the comfort of the wearer
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Medical observation on the elimination of all contacts of human cases of avian influenza in Guangxi
Time of Update: 2008-11-03
Introduction: Xinhua Guangxi channel on December 7 (reporter Chen Ruihua, Zhou Hua) Tan Mingjie, deputy director of the Department of health of Guangxi Zhuang Autonomous Region
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The Ministry of Health says people who do not contact dead birds will not be infected with avian influenza
Time of Update: 2008-11-03
Since 1997, human cases of highly pathogenic avian influenza virus (H5N1) have been found in Hong Kong, Thailand, Vietnam, Cambodia, Indonesia and Mainland China.
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Observation on the removal of part of contacts in the second death case of human avian influenza in Anhui Province
Time of Update: 2008-11-03
Lead: Xinhuanet, Hefei, Nov
24 (reporter Wang Liwu, Dai Qun) the reporter learned from the health department of Xiuning County, Anhui Province on Nov
24
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Standard information of packaging materials in direct contact with drugs
Time of Update: 2008-02-21
Neutral borosilicate glass infusion bottle 20.
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How to seal the angular contact ball bearing
Time of Update: 2007-02-02
Angular contact ball bearing is mainly used on the spindle of machine tool
In most cases, the outer ring of the bearing has a locking port, so the ring groove formed
