Disclosed is a method for determining moisture permeability of a textile. The method can include: a) providing at least one textile sample having a top surface and an opposed bottom surface, wherein at least a portion of the top surface is configured into a bowl shape for receiving a predetermined amount of a test liquid; b) introducing the predetermined amount of the test liquid into the bowl shape sample such that there is a minimum depth of the liquid contained above at least a portion of the top surface; and c) after a predetermined period of time, determining the moisture permeability of the textile sample by analyzing liquid penetration characteristics of any of the test liquid that may have permeated through the textile.

Disclosed is a screening method for selecting an adsorbent for use in environment-friendly gas-insulated equipment which contains an environment-friendly gas functioning as an insulating medium inside the equipment, the adsorbent to adsorb unwanted decomposed gas that is produced from decomposition of the environmental-friendly gas, the method steps include: establishing screening sets, performing pre-experiment adsorption experiment screening, standard gas adsorption experiment screening, and mixed gas adsorption experiment screening, establishing mapping relationship between a decomposed gas type set and a third adsorbent type set under different working conditions, and selecting an adsorbent combination mode suitable for a working condition type and a mixed gas composition mode based on the mapping relationship. Through adsorption experiment screening of a single standard gas and a mixed gas under different working conditions, an adsorbent combination mode suitable for adsorbing mixed decomposed gas under different working conditions is obtained.

An adsorption characteristic measuring apparatus according to the invention supplies a predetermined adsorption gas to a film formed body as a sample accommodated in a sample tube to measure adsorption characteristics. In the inside of the sample tube, a void between an inner wall surface of the sample tube and the sample is filled with a particle-like filler having higher thermal conductivity than the adsorption gas under a measurement pressure. In addition, a glass rod as a dead volume reducing rod, a spacer ring for forming a thermal insulation space between the particle-like filler and the glass rod, and a reflective plate for reflecting radiant heat are disposed.

A method for testing the hydrogen permeability of a test object 1 includes the steps of provision of a sensor device 110 on a first side 3 of the test object 1, application of a test gas 5 including hydrogen 2 to a second side 4 of the test object 1, and detection of permeating hydrogen 2 passing through the test object 1 from the second side 4 to the first side 3 with the sensor device 110, wherein the sensor device 110 includes at least one hydrogen absorbing sensor layer 111 and the detection of the permeating hydrogen 2 including a detection of a change of state of the at least one sensor layer 111. A measuring apparatus 100 for testing the hydrogen permeability of a test object 1 is also described.

A method for evaluating an on-site desorption effect of activated coke. An on-site desorption effect of activated coke is evaluated in combination with a laboratory simulation desorption process, an activated-coke desorption rate R is calculated by means of measuring the sulfur content of activated-coke samples before and after on-site desorption and the sulfur content of an activated-coke sample after laboratory simulation desorption, and then the on-site desorption effect of activated coke is evaluated, so as to ensure the recycling effect of activated coke. Therefore, the problem of it being impossible to accurately evaluate the on-site desorption effect of activated coke is solved, and an important guidance is provided for on-site process optimization control.

A method for determining a buffer effect of an activated carbon filter for a tank venting system of a fuel container for hydrocarbon-containing fuels involves feeding a defined quantity of hydrocarbon molecules to the activated carbon filter (320) via a tank connection (320_1) of the activated carbon filter (320) by a hydrocarbon feed system (310). A carrier gas flow is introduced into the activated carbon filter (320) via an air connection (320_2) of the activated carbon filter (320), and a defined volumetric flow is sucked out of the activated carbon filter (320) via an engine connection (320_3) of the activated carbon filter (320) by a hydrocarbon measuring device (340), and its content of hydrocarbon molecules is measured. The defined quantity of hydrocarbon molecules is made available by the hydrocarbon feed system (310) in the form of a thermodynamically isolated gas quantity.

A catalyst includes at least one of a porous or particulate material having a plurality of active sites that attract reactants thereto. The active sites have a spacing within a predetermined range so as to enable a chemical reaction to be enhanced through use of potential energy of intermolecular adsorption compression or intramolecular adsorption stretching of one or more reactants to decrease the activation energy barrier or by adsorption compression of one or more reaction products leading to an increased desorption rate for the reaction product molecule and thereby an increased overall rate of reaction.

A method for quantitative evaluation of self-sealing property of organic-rich shale includes: S1, selecting geological parameters for evaluating the self-sealing property of the organic-rich shale; S2, taking organic-rich shale samples, and measuring the geological parameters of each sample; S3, calculating a weight coefficient w; of each geological parameter; S4, calculating a self-sealing evaluation coefficient S, and correcting the S to obtain a corrected self-sealing evaluation coefficient S; S5, establishing a self-sealing evaluation standard of the organic-rich shale according to the S, wherein if S0.6, the self-sealing grade is excellent, if 0.45S<0.6, the self-sealing grade is good, if 0.3S<0.45, the self-sealing grade is medium, and if S<0.3, the self-sealing grade is poor. According to the method, the self-sealing property of the shale is quantitatively evaluated, and the preservation condition of the shale gas in the shale formation can be more accurately predicted.

The processes, systems, and methods for quantifying porous material are disclosed. A porous solid adsorbs an adsorbate. The saturated porous solid is heated and an isotherm may be generated such as from measured adsorbate mass loss. The type of isotherm is identified, and subsequent analysis may be performed to calculate specific surface area, pore size distribution, and pore volume. The specific type of subsequent analysis, such as derivation of a BET transform and application of BET theory, depends on the type of isotherm. This allows the porous material to by quantified using a variety of different adsorbates.

A carbon film is formed from carbon nanotube assemblies. In the carbon film, a pore distribution curve indicating the relationship between the pore size and the Log differential pore capacity obtained based on mercury intrusion porosimetry has at least one peak with a log differential pore capacity of 1.0 cm.sup.3/g or more within a pore size range of 10 nm or more and 100 m or less.