American Standard Method for the Pressure Calibration of Laboratory Standard Microphones Z24.4—1949 (Abridged) 来自 AIP Publishing 喜欢 0 阅读量: 20 作者: LL Beranek 摘要: Scitation is the online home of leading journals and conference proceedings from AIP Publishing and AIP Member Societies关键词:...
American National Standard for Measurement Microphones, Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity techniquedoi:ASA S1.15-2021/Part 3/IEC 61094-3:2016IEC 61094的本部分规定了测定实验室标准话筒复自由场灵敏度的主要方法,以便为自由场条件下的...
On Site / Field Service Calibration to ASTM Standards By maintaining an extensive fleet of vehicles, All American Scales & Calibration specializes servesCanton, Akron, Columbus, Cleveland, and cities throughout Ohio. We have designed all of our services and standards to provide calibrations of all ...
Unlike instruments such as balances, GCs and LCs do not provide raw data in user-friendly units; peak heights or peak area are the norm. Thus, the analyst must calibrate the instrument externally, by preparing standard solutions of known concentration and analyzing them. A calibration cu...
American Association for Laboratory Accreditation. National Institute of Standards and Technology. ISO/IEC 17025 standards specify the “General requirements for the competence of testing and calibration laboratories. Centralized Equipment Calibration Information System. ...
應用領域 產品 支持 關於我們 資源中心 尋求報價 2024 年 7 月 24 日 如果您想收到我們的更新,請訂閱
This study aimed to examine the associations between substituting sedentary time (ST) with physical activity and sleep with obesity parameters in adults from eight Latin American countries. The sample consisted of 2173 adults aged 18–65 years. Physical activity, ST and sleep were objectively measured...
A comparison was made with the hearing level of a small group of more experienced listeners when an improvement of about 2.5 db was found. The relation of the work to other hearing surveys and laboratory measurements is discussed. 展开 关键词: Hearing Audiometry Calibration ...
standards and blanks. The system was also configured to automatically dilute samples, some of which were deliberately prepared over the range of the calibration curve, so that it would automatically perform a sample dilution. Yttrium was used as the internal standar...
PINPOINT pH High Precision Calibration Fluid From: $1.11 Choose Options Rating: 83% American Marine Inc. PINPOINT Salinity Calibration Fluid $10.79 Add to Cart Rating: 75% American Marine Inc. PINPOINT ORP (Redox) 400 Calibration Fluid $4.00 Add to Cart SIGN...