date：2018-04-18
Customers should first consider the accuracy, cost-effectiveness and after-sales service when choosing and purchasing any testing instrument. Today, w...
date：2018-04-18
Regulations on the storage and use of reference materials:1. Standard substances should be stored separately with other chemical reagents, and the sto...
date：2018-04-18
I. Main uses1. Application in Evaluating and Verifying New Methods of Environmental MonitoringAt present, standard samples are widely used to evaluate...
date：2018-04-18
The equipment was developed by Dr. Wolfgang Knoll, director of the Center of Polymer Research Institute, Maple Institute, Germany. Using surface plasm...
date：2018-04-18
Recently, researchers from the Laboratory Instrument Factory of the Academy of Military Medical Sciences published papers aimed at developing standard...
date：2017-05-16
On May 16, 2017, the General Administration of Quality Supervision, Inspection and Quarantine and the National Standardization Management Committee of...
date：2017-05-10
On May 10, 2017, the General Administration of Quality Supervision, Inspection and Quarantine approved the preparation of national standard materials ...
date：2016-06-22
On June 22, 2016, the General Administration of Quality Supervision, Inspection and Quarantine and the National Standardization Management Committee i...
date：2016-06-13
On June 13, 2016, the Metrology Department of the General Administration of Quality Supervision, Inspection and Quarantine approved Jinan Zhongbiao Te...
date：2016-03-29
On March 29, 2016, our project "Standard Samples of Silicon Carbide for Refractory Materials and Silicon Nitride for Ceramic Materials" and "Standard ...
date：2016-03-07
From March 5 to 6, 2016, the company passed the reexamination of the manufacturer's capability of standard materials/standard samples by the China...
date：2015-05-27
On May 27, 2015, the State Quality Inspection and Quarantine Letter [2015] 235 of the State Administration of Quality Supervision, Inspection and Quar...
永久免费AV无码网站性色AV|
欧美大肥婆大肥BBBBB|
国产自偷亚洲精品页65页|
性色AV蜜臀AV色欲AV|
亚洲中文字幕无码av在线|
久久AV高清无码|
