درباره ما
ASTM - ASTM International: Recent submissions
Now showing items 401-420 of 39933
-
Standard Test Method for Freezing Point of Aviation Fuels (Automatic Phase Transition Method)
Abstract: 5.1 The freezing point of an aviation fuel is the lowest temperature at which the fuel remains free of solid hydrocarbon crystals. These crystals can restrict the flow of fuel through the fuel system of the aircraft. The ... -
Standard Test Method for Determining Aerobic Biodegradation of Plastic Materials in Soil
Abstract: 5.1 The degree and rate of aerobic biodegradability of a plastic material in the environment determines the extent to which and time period over which plastic materials are mineralized by soil microorganisms. Disposal is ... -
Standard Specification for Elastomeric Strip Seals with Steel Locking Edge Rails Used in Expansion Joint Sealing
Abstract: This specification covers the material requirements for preformed elastomeric strip seals and the corresponding steel locking edge rail used in expansion joint sealing. The scope of this specification is limited to preformed ... -
Standard Practice for Sampling Freshly Mixed Controlled Low-Strength Material
Abstract: 4.1 This practice shall be used to provide a representative sample of the material for the purpose of testing various properties. The procedures used in sampling shall include the use of every precaution that will assist ... -
Standard Test Method for Bulk Density of Level Paintbrush Filaments
Abstract: 3.1 Filaments are available in a variety of cross sections and materials. A measure of bulk density permits the brushmaker to estimate the weight of filament required to prepare a given number of brushes. -
Standard Specification for Poly (Vinyl Chloride) (PVC) Gaskets for Drain, Waste, and Vent (DWV), Sewer, Sanitary, and Storm Plumbing Systems
Abstract: This specification describes material and physical requirements for virgin nonrigid poly(vinyl chloride) (PVC) preformed molded and spliced gaskets used in mechanical couplings for gravity flow drain, waste, and vent (DWV), ... -
Standard Guide for Analysis, Interpretation, and Modeling of Spatial Variation in Geostatistical Site Investigations
Abstract: 5.1 Considering the spatial distribution of soil and rock mass properties, the use of geostatistics in site investigations should be considered as it will provide a more accurate estimation of the soil and rock properties ... -
Standard Guide for Selection of Simulation Approaches in Geostatistical Site Investigations
Abstract: 4.1 This guide is intended to encourage consistency and thoroughness in the application of geostatistical simulation to environmental, geotechnical, and hydrogeological site investigations. 4.2 This guide may be used to ... -
Standard Test Methods for Evaluating Drying or Curing During Film Formation of Organic Coatings Using Mechanical Recorders
Abstract: 5.1 The drying times of a coating are significant in determining when a freshly painted room, floor or stair may be put back in use or a coated article handled or packaged. Slow drying may result in dirt pick-up or, on an ... -
Standard Test Method for Conducting Temperature Uniformity Surveys of Furnaces Used to Heat Treat Steel Products
Abstract: 4.1 Furnaces for heat treatment of steel products are used in many industries, in many ways. Regardless of heat treat furnace type, or processing cycle, it may be necessary for users to know the temperature uniformity in ... -
Standard Guide for Use of Rotary Kiln Produced Expanded Shale, Clay or Slate (ESCS) as a Mineral Amendment in Topsoil Used for Landscaping and Related Purposes
Abstract: 4.1 When physically evaluating a soil, relative to its suitability to support plant growth (primarily grasses), tests must be performed to determine the presence and amount of solid matter (organic and inorganic) compatibility ... -
Standard Test Method for Fluid Loss of Clay Component of Geosynthetic Clay Liners
Abstract: 4.1 Clay mineral is the functional component of GCL that reduces the hydraulic conductivity of industrial waste or ground water through the liner. 4.2 Clay mineral quality can vary significantly and affect the hydraulic ... -
Standard Test Method for Swell Index of Clay Mineral Component of Geosynthetic Clay Liners
Abstract: 4.1 Clay mineral is a major functional component of GCL systems that reduces the hydraulic conductivity of industrial, waste, or ground water through the liner. 4.2 Clay mineral quality can vary significantly and affect ... -
Standard Guide for Use of Cable-Tool Drilling and Sampling Methods for Geoenvironmental Exploration and Installation of Subsurface Water Quality Monitoring Devices
Abstract: 4.1 Cable-tool rigs (also referred to as churn rigs, water-well drilling rigs, spudders, or percussion rigs) are used in the oil fields and in the water-well industry. The Chinese developed the percussion method some 4,000 ... -
Standard Guide for Use of Casing Advancement Drilling Methods for Geoenvironmental Exploration and Installation of Subsurface Water Quality Monitoring Devices
Abstract: 4.1 Casing advancement may be used in support of geoenvironmental exploration and for installation of subsurface water-quality monitoring devices in both unconsolidated and consolidated sediment. Casing advancement systems ... -
Standard Guide for Significance of Particle Size Measurements of Coating Powders
Abstract: 4.1 This guide describes the need to specify the measuring technique used whenever quoting the particle size distribution of a coating powder. 4.2 This guide is for use by manufacturers of coating powders and by specifiers ... -
Standard Practice for Mixing and Handling of Liquid Samples of Petroleum and Petroleum Products
Abstract: 4.1 Representative samples of petroleum and petroleum products are required for the determination of chemical and physical properties used to establish standard volumes, prices, and compliance with commercial and regulatory ... -
Standard Practice for Carbon Black, Pelleted—Reduction, Blending, and Drying of Gross Samples for Testing
Abstract: 4.1 Several test methods for carbon black require the reduction in sample size or the blending of the test sample to reduce the variation of the measured characteristic. Other factors being equal, larger samples will tend ... -
Standard Specification for Cured-In-Place Thermosetting Resin Sewer Piping Systems
Abstract: This specification covers cured-in-place thermosetting resin pipe (CIPP) with a certain measurement, equivalent diameter, for use in gravity flow systems in conveying sanitary sewage, storm water, and certain industrial ... -
Standard Test Method for Disinfectant Quaternary Ammonium Salts by Potentiometric Titration
Abstract: 5.1 This test method is used to determine the percent actives in each type of the disinfectant quaternary ammonium salts, and also in the disinfectant products. Quaternary ammonium compounds being the active ingredients ...