Abstract: The present invention discloses a method of preparing an alkali activation material by using red mud-based wet grinding and carbon sequestration and an application thereof. The preparation method includes: (1) adding water, red mud, a crystalline control agent, and a grinding aid into a wet grinding carbon sequestration apparatus to perform wet grinding, and simultaneously introducing CO2 until a slurry pH reaches 7 to 7.5; and removing wet grinding balls by a sieve to obtain a slurry A; (2) adding carbide slag, water and a water reducer to a wet planetary ball grinder tank for wet grinding, and removing wet grinding balls by a sieve to obtain a slurry B; (3) taking 50 to 80 parts of the slurry A and 20 to 50 parts of the slurry B and mixing them to obtain an alkali activation material.

Abstract: A method for determining a consistency coefficient of a power-law cement grout includes: determining a water-cement ratio of the power-law cement grout; according to engineering practice requirements, determining a time required to determine the consistency coefficient of the power-law cement grout; and obtaining the consistency coefficient of the power-law cement grout. The method is accurate and reliable, requires less calculation, etc.; and has very high practical value and popularization value in environmental protection and ecological restoration.

Abstract: The invention is directed to a co-layered propellant grain having an exposed outer surface, wherein said propellant grain comprises an outer layer comprising a slow burning propellant composition located on essentially the entire outer surface of the grain, and an inner layer comprising a fast burning propellant composition having a higher linear burn rate than said slow burning propellant composition; wherein said propellant grain has a structure such that after ignition, the inner layer becomes increasingly exposed at the outer surface.

Abstract: A method for separating butenes from C4 hydrocarbon streams containing butanes and butenes involves extractive distillation with a suitable solvent. The method also involves heat integration, which makes it possible to use the heat of the solvent in order to heat various streams.

Abstract: The disclosure pertains to a urea production plant and process using a thermal stripper, wherein the reaction mixture is separated in two parts, wherein the first part is supplied at least in part to the thermal stripper and the second part at least in part bypasses the thermal stripper and is supplied to a medium pressure recovery section.

Abstract: A urea production plant including a synthesis and recovery section has a first evaporation section connected with the synthesis and recovery section and a first condensation section. A granulation section is connected to the first evaporation section. A scrubbing section is connected to the granulation section. A second evaporation section is connected to the scrubbing section. The second evaporation section is connected to the granulation section. A second condensation section is connected to the second evaporation section. A quenching section includes a liquid inlet for the distribution of a quenching liquid is located and connected between the granulation section and the scrubbing section and the quenching section is connected to a quenching liquid providing section and the second condensation section.

Abstract: Integrated processes are disclosed for the catalytic conversion of carbohydrate to ethylene glycol and/or propylene glycol using a homogeneous, tungsten-containing retro-aldol catalyst. In these processes, the carbohydrate is subjected to retro-aldol conversion and hydrogenation to provide a reaction product containing ethylene glycol and/or propylene glycol, other reaction process including organic acids, itols and tungsten species. Ethylene glycol and propylene glycol are separated from the reaction product for purification, and at least a portion of the remaining fraction is subjected to ion exclusion chromatography to provide an eluant containing tungsten species and a subsequent eluant containing organic acids and a substantially reduced concentration of tungsten species. At least a portion of the eluant containing tungsten species can be recycled for reuse directly or with intervening unit operations to enhance the catalytic activity of the tungsten species.

Abstract: A chloride salt eliminator system and method for removal of chloride salt from glycol circulated through a reboiler in natural gas dehydration, in a continuous process, close to the wellhead. Hot glycol from the reboiler is pumped into a salt eliminator unit having independently replaceable filter elements which trap chloride salts which are not soluble in hot glycol and pass clean glycol for return to the reboiler.

Abstract: The present invention relates to a compound having the general formula (1) wherein in the general formula (1) the residues R1 to R8 and Ar are the same or different and are independently from each other selected from the group consisting of hydrogen, unsubstituted hydrocarbon groups, substituted hydrocarbon groups and inorganic groups, wherein at least one of the residues R1 to R8 and Ar is a hydrophilic group, such as for instance a group comprising one or more polyethylene groups.

Abstract: The application relates to a process for the preparation of a compound of formula (II) by cyclisation of a polyene of formula (I), and to an intermediate of formula (III). The obtained compounds are useful intermediates in the preparation of specific isoprenoids, preferably in the production of vitamin A and derivatives of vitamin A.

Abstract: The present invention relates to a process for the preparation of iloprost of formula I through new intermediates, isolation of iloprost of formula I in solid form, as well as preparation of the 16(S)-iloprost and 16(R)-iloprost isomers of formulae (S)-I and (R)-I and isolation of iloprost of formula I and 16(S)-iloprost of formula (S)-I in solid, crystalline form.

Abstract: In a method for producing hydrogen and carboxylic acid, a primary alcohol of 1 to 7 carbon atoms and water are reacted by being continuously introduced into a flow reactor packed with a solid catalyst consisting of an alloy of ruthenium and tin on a support and passed through the reactor under temperature and pressure conditions at which the water assumes a gaseous state. This method enables hydrogen and carboxylic acid to be produced in a high yield or at a high purity from a primary alcohol and water in a short time and by simple operations.

Abstract: The invention relates to a method for preparation of (meth)acrylic acid esters from (meth)acrylic acid anhydrides. Wherein the method for preparation of the (meth)acrylic acid ester, comprises at least step (a) as follows: (a) reacting a (meth)acrylic acid anhydride of Formula (I): wherein R1 is a hydrogen atom or a methyl group; with a substrate in the presence of a first catalyst to form a product mixture comprising the (meth)acrylic acid ester; and wherein: the substrate is selected from the group consisting of: primary alcohols; secondary alcohols; tertiary alcohols; and phenols; and the first catalyst comprises a salt of magnesium or of a rare earth element.

Abstract: A process for process for preparing 6-isopropenyl-3-methyl-9-decenyl acetate of the following formula (3), wherein Ac represents an acetyl group, the process comprising steps of: preparing a nucleophilic reagent, 5-isopropenyl-2-methyl-8-nonenyl compound, of the following general formula (1): wherein M1 represents Li, MgZ1, ZnZ1, Cu, CuZ1, or CuLiZ1, wherein Z1 represents a halogen atom or a 5-isopropenyl-2-methyl-8-nonenyl group, from a 5-isopropenyl-2-methyl-8-nonenyl halide compound of the following general formula (4): wherein X1 represents a halogen atom; subjecting the nucleophilic reagent (1), 5-isopropenyl-2-methyl-8-nonenyl compound, to an addition reaction with at least one electrophilic reagent selected from the group consisting of formaldehyde, paraformaldehyde, and 1,3,5-trioxane, followed by a hydrolysis reaction to form 6-isopropenyl-3-methyl-9-decenol of the following formula (2); and acetylating 6-isopropenyl-3-methyl-9-decenol (2) to form 6-isopropenyl-3-methyl-9-decenyl acetate (3).

Abstract: A photopolymerization sensitizer may not cause problems of dusting or coloring of a cured product due to bleeding of additives such as the photopolymerization sensitizer on the surface, e.g., by blooming at the time of photo-curing or during storage of the cured product, and which provides a practically sufficient photo-curing rate. A 9,10-bis(alkoxycarbonylalkyleneoxy)anthracene compound having ester groups, of formula (I): wherein A is a C1-20 alkylene group, optionally branched by an alkyl group, R is a C1-20 alkyl group, optionally branched by the alkyl group, the C1-20 alkyl group optionally being a cycloalkyl group or a cycloalkylalkyl group, and X and Y are independently a hydrogen, a C1-8 alkyl group, or a halogen.

Abstract: Various embodiments of the present invention are directed to methods of preparing a biogas purification system. Embodiments include flushing an adsorber with a gas stream that is separable by the downstream biogas purification process. Other embodiments include using the separable gas stream to flush a saturated adsorber. Additional embodiments include using a gas stream comprised of CO2.

Abstract: The present invention relates to the use of 2,5-furanedicarboxylate-based MOFs, such as, MIL-160(AI) metal-organic framework, for separating C6 alkane isomers into linear, mono-branched and di-branched isomers. The present invention also relates to the use of 2,5-furanedicarboxylate-based MOFs, such as, MIL-160(AI) metal-organic framework, preferably in combination with Zeolite 5A for producing higher research octane number gasoline blends. Also within the scope of the invention is a system for separating C6 and C5 alkane isomer mixtures into linear, mono-branched and di-branched fractions.

Abstract: Provided herein are formulations, processes, solid forms and methods of use relating to (E)-1-(4-(1-(((4-cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-ethylbenzyl)azetidine-3-carboxylic acid.

Abstract: An object is to provide a method for easily producing maleimide (MI) in which trace amounts of residual acid components as impurities in a crude MI are efficiently reduced, that is, the acid value is sufficiently reduced. <1> A method for producing purified MI, comprising reducing an acid value of crude MI by 50% or more, by adding carbodiimide (CDI) to a solution comprising the crude MI to react an acid component in the crude MI with the CDI. <2> The method for producing purified MI, comprising adding 0.5% by mass or more and 8% by mass or less of the CDI with respect to a mass of the crude MI for reaction. <3> The method for producing purified MI, wherein the CDI is N,N?-diisopropyl carbodiimide (DIC). <4> The method for producing purified MI, comprising removing a urea derivative of the CDI (CDI-U) by-produced when reacting the acid component in the crude MI with the CDI.

Abstract: The present disclosure is directed to chemical compounds and to the use of such compounds in the treatment of diseases associated with a serotonin 5-HT2 receptor.

Abstract: An acetylsalicylic acid derivative and an application thereof. The present disclosure relates to the field of chemical pharmaceuticals, and in particular, to a compound shown in formula (I) or pharmaceutically acceptable salts thereof.

Abstract: Provided are omecamtiv mecarbil dihydrochloride salt forms, compositions and pharmaceutical formulations thereof, and methods for their preparation and use.

Abstract: Preparation of optionally substituted dihydroisoquinolines. The present invention relates to a process for the preparation of optionally substituted dihydroi-soquinolines of the formula I.

Abstract: An 1-[4,5-bis(4-bromophenyl)-1-hexyl-1H-imidazol-2-yl]-2-naphthol compound, its synthesis, and its use as an antimicrobial agent.

Abstract: Provided is a compound superior in an ATX inhibitory action and useful for the prophylaxis or treatment of diseases involving ATX. A carboxylic acid compound represented by the following formula (1) or a pharmacologically acceptable salt thereof: wherein each symbol is as defined in the SPECIFICATION.

Abstract: A uracil compound containing a carboxylate fragment, a preparation method therefor, and a herbicidal composition and use thereof are provided. The preparation method includes a contact reaction between a carboxylic acid compound and different substituted alcohol, halogenated, or sulfonate compound in a presence of a solvent. The uracil compound containing a carboxylate fragment provided by the present invention has better herbicidal activity compared with the prior art.

Abstract: A 3-(4-nitrophenyl)-5-((2-isopropyl-5-methylphenoxy)methyl)-1,2,4-oxadiazole compound, its synthesis, and its use as an antimicrobial agent.

Abstract: A N?-(2-(5-phenyl-1,3,4-oxadiazol-2-ylthio)acetoxy)-2-naphthimidamide compound, its synthesis, and its use as an anti-microbial agent.

Abstract: A N?-({[(5-phenyl-1,3,4-oxadiazol-2-yl)sulfanyl]acetyl}oxy)benzenecarboximidamide compound, its synthesis, and its use as an antimicrobial agent.

Abstract: A 4-chloro-N?-(2-(5-phenyl-1,3,4-oxadiazol-2-ylthio)acetoxy)benzimidamide compound, its synthesis, and its use as an antimicrobial agent.

Abstract: The present invention relates to compound of formula (I), wherein R1 is chloro, bromo iodo or a brosylate group. The present invention also relates to methods of making this compound and its use in carrying out organic transformations.

Abstract: The present invention relates to copolymers, particularly to copolymers comprising a photoactive unit, the copolymers being particularly suitable for ophthalmic devices. The copolymers include one or more different polymer units in addition to the photoactive unit, such as polymerized units derived from ethylene, propylene, an acrylate, a methacrylate, or a styrene.

Abstract: The present invention relates to the technical field of chemical industry, and in particular to a method for purifying ethylene carbonate through dynamic crystallization, which includes the following steps: adding an ethylene carbonate-containing raw material into a cavity of a crystallization device under a condition of stirring for dynamic crystallization, wherein the crystallization device further includes a jacket attached and circumferentially disposed along the outer wall of the cavity, the jacket is provided with cooling water therein, a temperature of the cooling water is 1-2.5° C. lower than the temperature in the cavity until a granular ethylene carbonate crystal is generated. The present invention using a rake dryer as the crystallization device to realize dynamic crystallization at a certain rotating speed. The technical solution is simple to operate and short in processing cycle, which facilitates improvement in production efficiency and product quality and is suitable for industrial application.

Abstract: Disclosed herein are salts and solid forms of MDMA, (R)-MDMA, (S)-MDMA, MDE, S-MDE, R-MDE, MDAI, MBDB, S-MBDB, R-MBDB, MEAI, and 5,6-Dimethoxy-2-aminoindane, including salts, solid forms of the compound and salts thereof, as well as polymorphs of solid forms. The solid forms disclosed herein may have improved properties, such as improved physical, chemical, and/or pharmacokinetic properties. Also disclosed are methods for making the salts and solid forms and methods for administering the same. The disclosed salt and solid forms of MDMA, (R)-MDMA, (S)-MDMA, MDE, S-MDE, R-MDE, MDAI, MBDB, S-MBDB, R-MBDB, MEAI, and 5,6-Dimethoxy-2-aminoindane may be useful for treating neurological disease and/or a psychiatric disorder in a subject.

Abstract: Compounds represented by formulae I, II, III, and IV including pro-drugs for treprostinil and prostacyclin analogs. Uses include treatment of pulmonary hypertension (PH) or pulmonary arterial hypertension (PAH). The structures of the compounds can be adapted to the particular application for a suitable treatment dosage. Transdermal applications can be used.

Abstract: Object of the invention is a process for the manufacturing of a polymer with urethane groups, wherein in a first alternative A) a five-membered cyclic monothiocarbonate B) a compound with at least two amino groups, selected from primary or secondary amino groups, and C) a compound which at least two functional groups that react with a group —SH or, in case of a carbon-carbon triple bond as functional group that react with a group —SH, a compound with at least one carbon-carbon triple bond are reacted or wherein in a second alternative A) a five-membered cyclic monothiocarbonate and D) a compound with at least one primary or secondary amino group and at least one functional group that reacts with a group —SH.

Abstract: Described are visible light absorbing compounds. The compounds have a visible light absorption maximum between 430 and 480 nm and a full width half maximum (FWHM) at the visible light absorption maximum of at least 35 nm and up to 100 nanometers, wherein the compounds are photostable. The compounds substantially mimic the visible light absorbance properties of macular pigment while remaining photostable. The compounds may be used in a variety of articles, including ophthalmic devices.

Abstract: The present invention includes novel compounds containing deuterated or partially deuterated xanthene and thioxanthene structures. These compounds may be useful as host materials with high triplet energies for phosphorescent electroluminescent devices.

Abstract: A 6?-(2-chlorophenyl)-2?-ethoxy-3,4?-bipyridine-3?-carbonitrile compound, its synthesis, and its use as an antimicrobial agent.

Abstract: A 9-(2-hydroxyquinoline-3-yl)-10-[3-(dimethylamino)propyl]-3,4,6,7,9,10-hexahydroacridine-1,8(2H,5H)-dione compound, its synthesis, and its use as an antimicrobial agent.

Abstract: An 4,5-bis(4-bromophenyl)-1-hexyl-2-(3-pyridyl)-1H-imidazole compound, its synthesis, and its use as an antimicrobial agent.

Abstract: A 3-(4,5-Diphenyl-2-(pyridin-3-yl)-1H-imidazol-1-yl)-N,N-dimethylpropan-1-amine compound, its synthesis, and its use as an antimicrobial agent.

Abstract: The disclosure provides at compounds of Formula I, compositions comprising the same, and methods of using the same, including use in treating a disease and/or a symptom of a disease caused by a coronavirus.

Abstract: Disclosed are pyrazole compounds represented by formula (I), pharmaceutical compositions containing such compounds, a method for preparing such compounds, and use of the pyrazole compounds and the pharmaceutical compositions. Such compounds are useful for inhibiting IRAK family kinases, and also useful for treating diseases caused by IRAK family kinases, such as autoimmune diseases, inflammatory diseases and cancers.

Abstract: A 2-alkoxy[4,3:6,3-terpyridine]-3-carbonitrile compound, its synthesis, and its use as an antimicrobial agent.

Abstract: The present invention relates to novel compounds and methods for the manufacture of inhibitors of deubiquitylating enzymes (DUBs). In particular, the invention relates to the inhibition of ubiquitin C-terminal hydrolase 30 or Ubiquitin Specific Peptidase 30 (USP30). The invention further relates to the use of DUB inhibitors in the treatment of conditions involving mitochondrial dysfunction and cancer. Compounds of the Invention include compounds having the formula (I): (I) or a pharmaceutically acceptable salt thereof, wherein R1a, R1b, R1c, R1d, R1e, R1f, R1g, R2, X, L and A are as defined herein.

Abstract: Compounds of Formula I, including pharmaceutically acceptable salts thereof, and compositions and methods for treating human immunodeficiency virus (HIV) infection are set forth:

Abstract: A 6-(6-bromo-2-oxo-2H-chromen-3-yl)-4-(4-chlorophenyl)-2-alkoxynicotinonitrile compound, its synthesis, and its use as an antimicrobial agent.

Abstract: The present invention relates to a novel micronized 1,4-di(benzoxazol-2?-yl)benzene as well as to the use thereof in topical compositions.

Abstract: The present invention relates to quinazolinones and related compounds which are inhibitors of PARP14 and are useful, for example, in the treatment of cancer and inflammatory diseases.