Abstract: One or more embodiments relates to a productive consolidated sand pack product. The sand pack product may be a cured resin that is bound to sand particles and has a porous structure. The sand pack product is obtained from curing a resin composition which may include a resin, a curing agent, a chemical blowing agent, a surfactant, a carrier fluid, a pH agent, and a salt. The porous volume may include one or more of trapped gas, bubbles, and open or connected pore space.

Abstract: Described herein are methods comprising using measurements of perioperative plasma concentrations of Tau-PT217 and/or Tau-PT181 to predict which subjects are likely to develop postoperative delirium, and to thereby identify which patients are most likely to benefit from interventions to reduce risk or mitigate the severity or consequences of postoperative delirium.

Abstract: Wellbore treatment fluids are provided that include an aqueous component and an amphiphilic hyperbranched copolymer comprising the polymerized reaction product of at least a first monomer and a second monomer, where the first monomer comprises at least one surface reactive end group chosen from the group consisting of carboxylates, phosphonates, sulfonates, and zwitterions. Also provided are methods of modifying subsurface energy of a carbonate formation using the wellbore treatment fluids.

Abstract: Hydrogen may be produced from ammonia by catalytic reaction. For example, a method of hydrogen production may include: introducing ammonia to a reactor, wherein the reactor includes therein a catalyst, wherein the catalyst includes a high entropy alloy, and wherein the high entropy alloy has an entropy, S, such that S?11.31 J K?1 mol?1; reacting the ammonia in the presence of the catalyst to form hydrogen gas and nitrogen gas; and separating the hydrogen gas from the nitrogen gas to produce a hydrogen stream including the hydrogen gas from the reactor.

Abstract: Described is a method for managing an expectation on sanding volume in weak sandstone. In situ data related to a region of sandstone proximate a well is acquired. Measured property data corresponding to samples from the region of sandstone are obtained, and a chemical consolidation treatment is performed on the samples. Chemical consolidation treatment data is then obtained. The measured property data and the chemical consolidation treatment data is supplied as inputs to a simulator. The simulator performs simulations with and without chemical consolidation treatment. Based on the simulations, a correlation between a well flow rate and an effect of the chemical consolidation treatment is determined.

Abstract: Hydrogen may be produced from a hydrocarbon through catalytic means. An example method of catalytic hydrogen production includes: introducing a hydrocarbon feedstock to a reactor, wherein the reactor contains therein a catalyst, and wherein the reactor is substantially absent of oxygen and water, and wherein the catalyst includes a sand supported metal catalyst, an aluminum compound supported metal catalyst, or a combination thereof; and reacting the hydrocarbon over the catalyst to produce solid carbon and hydrogen gas.

Abstract: The present invention generally relates, in some aspects, to articles and methods relating to nanosensors for determination of molecules and other features, e.g., via surface plasmonic resonance, electric resonance, magnetic resonance, color changes, or the like. These articles and methods may be used, for example, for sample detection. The articles described in some aspects of the invention include a microwell array and a nanosensor array. In some embodiments, The nanosensor arrays may utilize nanoparticles positioned on nanostructures that are able to interact with a sample suspected of containing an analyte, such as a single cell. The interaction between nanoparticles and a sample can be detected by a change in applied energy, such as altered electromagnetic radiation caused by surface plasmonic resonance of incident visible light, and/or other types of resonance.

Abstract: A high-concentration high-entropy electrolyte and its preparation method and battery were disclosing in the present disclosure. A high-concentration high-entropy electrolyte, including a solvent, a first solute salt and added salts, the first solute salt is a solute salt with high solubility in the solvent, while the added salts are composed of at least three solute salts, the molar concentration range of the solute salts in the high-concentration high-entropy electrolyte is between 20 M-60 M, the molar concentration of the first solute salt is greater than 20 M, and the molar concentration of the first solute salt is greater than 50% of the molar concentration of the high-concentration high-entropy electrolyte. The sodium-carbon dioxide batteries assembled with high-concentration high-entropy electrolytes not only have higher power density, but also have excellent discharge specific capacity and rate performance.

Abstract: A method for preparing a carbon nanotube sodiophilic metal anode-free sodium metal battery electrode material is provided, and the method includes the following steps: the carbon nanotubes are modified by a dielectric barrier plasma device; the modified carbon nanotubes are mixed and stirred with a sodiophilic metal salt to obtain a precursor slurry; the precursor slurry is dried, placed in a tube furnace after drying, and heated by introducing a reducing gas to react, thereby obtaining a carbon nanotube sodiophilic metal anode-free sodium metal battery electrode material. The electrode material prepared by the method has a stable structure, excellent electrical conductivity, and excellent sodium affinity, and can be applied to anode-free sodium metal battery electrode materials. The entire preparation process is controllable, the synthesis cycle is short, and the operation is simple.

Abstract: Methods and systems including a composition of a hydratable polymer slurry comprising a hydrocarbon-based solvent. The hydrocarbon-based solvent includes a hydratable polymer powder and at least one of a polar surfactant, a hydrocarbon-soluble polymer, and/or an organophilic clay, wherein the polymer slurry is prepared at a temperature greater than 22° C. by mixing.

Abstract: A detection method for a LiDAR is provided. The LiDAR includes multiple detection channels. Each detection channel includes at least one laser and at least one detector. The laser of each detection channel is configured to emit a sequence of detection pulse including at least one detection pulse. The detection method includes: at S11, determining whether there is an object within a first distance, based on a previous detection result, wherein the first distance is not greater than 1/10 of a maximum detectable distance of the LiDAR; at S12, dynamically changing a code of a sequence of detection pulse of the detection channel, based on the determining result; at S13, controlling a laser of the detection channel to emit a detection pulse based on the code; at S14, receiving an echo of the detection pulse reflected by the object, and determining information of the object based on the echo.

Abstract: Wellbore treatment fluids are provided that include an aqueous component and an amphiphilic hyperbranched copolymer comprising the polymerized reaction product of at least a first monomer and a second monomer, where the first monomer comprises at least one surface reactive end group chosen from the group consisting of carboxylates, phosphonates, sulfonates, and zwitterions. Also provided are methods of modifying subsurface energy of a carbonate formation using the wellbore treatment fluids.

Abstract: Methods and systems including a composition of a hydratable polymer slurry comprising a hydrocarbon-based solvent. The hydrocarbon-based solvent includes a hydratable polymer powder and at least one of a polar surfactant, a hydrocarbon-soluble polymer, and/or an organophilic clay, wherein the polymer slurry is prepared at a temperature greater than 22° C. by mixing.

Abstract: A method and a system for predicting well production of a reservoir using machine learning models and algorithms is disclosed. The method includes obtaining a training data set for training a machine learning (ML) model and selecting an artificial neural network model structure, the model structure including a number of layers and a number of nodes of each layer. Further, the method includes generating a plurality of individually trained ML models and calculating a model performance of each trained model by evaluating a difference between a model prediction and a well performance data. The plurality of top-ranked individually trained ML models is constrained using one or multiple known physical rules. A plurality of individual predicted well production data is generated using the geological, the completion, and the petrophysical data of interest and a final predicted well production data is generating based on the plurality of individual predicted well production data.

Abstract: Hydrogen may be produced from natural gas (e.g., methane). For example, a method for producing hydrogen from natural gas may include: introducing natural gas to a reactor, wherein the reactor contains therein a catalyst, wherein the catalyst includes a high entropy alloy, and wherein the high entropy alloy has an entropy, S, such that S?11.31 J K?1 mol?1; reacting the natural gas with the catalyst to form hydrogen gas and solid carbon; and separating the hydrogen gas from the solid carbon to produce a hydrogen stream comprising the hydrogen gas from the reactor.

Abstract: An asymmetric sodium-based solid-state composite electrolyte includes a first solid-state composite electrolyte layer and a second composite electrolyte layer obtained by laminated coating method. Both the two solid-state composite electrolyte layers include a polymer matrix, an inorganic filler, a sodium salt and a plasticizer, the difference is the electron conductive agent added with the mass ratio ranges from 1 wt. %˜10 wt. % into the second solid-state composite electrolyte layer. In a battery assembled with the asymmetric sodium-based solid-state composite electrolyte, the first solid-state composite electrolyte layer is contiguous with a positive electrode, and the second solid-state composite electrolyte layer is disposed between the first solid-state composite electrolyte layer and a negative electrode.

Abstract: This disclosure relates to a fracturing fluid including an acrylamide-based copolymer, a graphene oxide additive, and a crosslinker, and methods of using the fracturing fluid to reduce fluid friction during treatment of a subterranean formation.

Abstract: An aerosol-forming device includes: a main body; an accommodating cylinder located in the main body for accommodating an aerosol-forming article; and a heating element for heating the aerosol-forming article to generate an aerosol. The accommodating cylinder includes a top opening into which the aerosol-forming article is insertable and a bottom wall opposite the top opening. The heating element includes a top end and a bottom end facing away from the top end. The bottom end of the heating element is higher than the bottom wall of the accommodating cylinder in vertical height.

Abstract: An aerosol-forming article includes: a tight segment; an aerosol-forming substrate segment; an airway segment; and a filter segment. The airway segment is located between the aerosol-forming substrate segment and the filter segment. The tight segment is located at an end of the aerosol-forming substrate segment away from the filter segment. The airway segment has an airflow channel axially penetrating the airway segment. An axial air permeability of the tight segment is less than an axial air permeability of the aerosol-forming substrate segment.