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A 15-μA metabolic equivalents monitoring system using adaptive acceleration sampling and normally off computing
2016 Edition, December 1, 2016 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper describes a low-power metabolic equivalents (METs) estimation method for monitoring physical activity. Long-term continuous METs monitoring can contribute to detection of non-communicable diseases. The proposed system consists of dedicated METs...

P1547a/D1.3, Dec 2019 - IEEE Draft Standard for Interconnection and Interoperability of Distributed Energy Resources with Associated Electric Power Systems Interfaces - Amendment 1
2020 Edition, January 2, 2020 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

IEEE Std 1547-2018 defines the performance and functional capability requirements for DER connected with the Area Electric Power Systems (Area EPS). This amendment revises the ranges of allowable trip clearing time settings in Table 13 for DERs in abnormal operating performance...

ASTM C1222-19a - Standard Practice for Evaluation of Laboratories Testing Hydraulic Cement
December 15, 2019 - ASTM International

1.1 This practice covers the technical training and experience of laboratory testing personnel and identifies the minimum technical requirements for laboratory equipment used in testing of hydraulic cement as prescribed by ASTM. 1.2 This practice provides minimum criteria for...

P802.15.4z/D05, Nov 2019 - IEEE Draft Standard for Low-Rate Wireless Networks Amendment: Enhanced High Rate Pulse (HRP) and Low Rate Pulse (LRP) Ultra Wide-Band (UWB) Physical Layers (PHYs) and Associated Ranging Techniques
2019 Edition, December 9, 2019 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This amendment enhances the UWB PHYs with additional coding options and improvements to increase the integrity and accuracy of ranging measurements. It also enhances the MAC to support control of time of flight ranging procedures and exchange ranging related information between...

ASTM D297-15(2019) - Standard Test Methods for Rubber Products—Chemical Analysis
December 1, 2019 - ASTM International

These test methods cover the qualitative and quantitative analyses of the composition of natural and synthetic crude rubbers. These methods are divided into general and specific test methods. General test methods shall be performed to determine the amount and type of...

ASTM D1991-15(2019) - Standard Test Method for Rubber Chemicals—2-Mercaptobenzothiazole (MBT)—Assay
December 1, 2019 - ASTM International

4.1 MBT is commonly used as an accelerator for rubber and latex vulcanization. The purity of MBT may be of importance in predicting performance in rubber compounds and this test method is designed to assess the purity of MBT. 4.2 This test method may be used as a...

ASTM E280-15(2019)e1 - Standard Reference Radiographs for Heavy-Walled (412 to 12 in. (114 to 305 mm)) Steel Castings
December 1, 2019 - ASTM International

4.1 Graded reference radiographs are intended to provide a guide enabling recognition of specific casting discontinuity types and relative severity levels that may be encountered during typical fabrication processes. Reference radiographs containing ungraded discontinuities are...

ASTM E445/E445M-15(2019) - Standard Test Method for Stopping Distance on Paved Surfaces Using a Passenger Vehicle Equipped with Full-Scale Tires
December 1, 2019 - ASTM International

1.1 This test method covers the measurement of stopping distance on paved surfaces with a passenger vehicle equipped with specified full-scale automobile tires. 1.2 This test method utilizes a measurement of stopping distances representing the non-steady state skid resistance on four...

ASTM E965-15(2019) - Standard Test Method for Measuring Pavement Macrotexture Depth Using a Volumetric Technique
December 1, 2019 - ASTM International

5.1 This test method is suitable for research and development purposes and for field tests to determine the average macrotexture depth of a pavement surface. The knowledge of pavement macrotexture depth serves as a tool in characterizing the pavement surface texture....

ASTM E2157-15(2019) - Standard Test Method for Measuring Pavement Macrotexture Properties Using the Circular Track Meter
December 1, 2019 - ASTM International

1.1 This test method covers the procedure for obtaining and analyzing pavement macrotexture profiles using the Circular Track Meter (CT Meter). 1.2 The CT Meter consists of a charge coupled device (CCD) laser-displacement sensor that is mounted on an arm that rotates such that...

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