Abstract: The present disclosure relates to a computer-implemented method of extracting a subsample of cells from a plurality of cells in a sin-gle-cell genomics dataset, the method comprising the steps of: obtaining a single-cell genomics dataset represented in at least two dimensions, wherein information about each cell is represented in a first dimension and information about genomic features is represented in a second dimension; generating a cell-cell neighborhood graph from the single-cell genomics dataset, the cell-cell neighborhood graph providing information about similarities of the genomic features of the cells, wherein the cells are represented as vertices in the cell-cell neighborhood graph; dividing the cells in the cell-cell neighborhood graph into seed cells and non-seed cells; assigning at least one first prize to the seed cells and at least one second prize to the non-seed cells in the cell-cell neighborhood graph; and traversing the cell-cell neighborhood graph using a prize collecting steiner tree al

Abstract: A ventilation system configured to be self-cleaning, wherein said ventilation system includes: a filtration unit configured to filter exhaust air led through it by at least one air duct; a condensation chamber configured to collect condensation water from the exhaust air; a heating element configured to heat the condensation water to a temperature equal to or above 65 degrees Celsius; and a sprinkler system configured to sprinkle the condensation water in one or more of the filtration unit, at least one of the at least one air duct, and/or the condensation chamber, wherein the ventilation system is thus configured to provide a self-cleaning of the ventilation system utilizing the condensation water.

Abstract: A ventilation system configured to be self-cleaning, wherein said ventilation system includes: a filtration unit configured to filter exhaust air led through it by at least one air duct; a condensation chamber configured to collect condensation water from the exhaust air; a heating element configured to heat the condensation water to a temperature equal to or above 65 degrees Celsius; and a sprinkler system configured to sprinkle the condensation water in one or more of the filtration unit, at least one of the at least one air duct, and/or the condensation chamber, wherein the ventilation system is thus configured to provide a self-cleaning of the ventilation system utilizing the condensation water.

Abstract: The present invention relates to regulation of the p H of a liquefaction process. Presented is a method for treatment of a biomass feedstock wherein the biomass feedstock is subjected to liquefaction, at a p H of at most 4, by treatment with hot compressed liquid water (HCW) at subcritical and/or supercritical conditions to improve the conversion efficiency. The present invention is also directed to quenching of a liquefaction process according to above, preventing, minimizing or eliminating clogging and/or fouling of sticky biomass components in process equipment during processing as according to above, and to the use of additives in a biomass liquefaction process.

Abstract: The present invention describes a process for quenching a hydrothermal, dilute acid hydrolysis reaction of a biomass feedstock, wherein degradation of an aqueous monomer and/or oligomer sugar mixture is slowed down or stopped by flash cooling of the aqueous monomer and/or oligomer sugar mixture, and wherein the flash cooling ensures that a fraction of dissolved and volatile degradation byproducts are removed by a forming vapor stream, and wherein a lignin component, if present, is solidified into a structure with good de-watering characteristics, allowing for subsequent removal of the lignin component by separation, said process resulting in a hydrolyzed solution of sugar monomers and/or oligomers.

Abstract: The present invention describes a process involving liquefaction of a biomass slurry by treatment in hot compressed water (HCW), said process comprising: —a first decomposition step being performed at an average pH level of at most 4.5, wherein a hemicellulose fraction in the biomass slurry is decomposed to water soluble mono- and/or oligomers, and wherein a cellulose fraction undergoes a pre-treatment for decrystallization of the cellulose polymer; —a separation step; and —a second decomposition step, wherein the cellulose fraction in the biomass slurry is decomposed to water soluble mono- and/or oligomers; wherein both of the first and second decomposition steps are performed at sub-critical temperatures implying relatively moderate conditions.

Abstract: The present invention relates to regulation of the p H of a liquefaction process. Presented is a method for treatment of a biomass feedstock wherein the biomass feedstock is subjected to liquefaction, at a p H of at most 4, by treatment with hot compressed liquid water (HCW) at subcritical and/or supercritical conditions to improve the conversion efficiency. The present invention is also directed to quenching of a liquefaction process according to above, preventing, minimizing or eliminating clogging and/or fouling of sticky biomass components in process equipment during processing as according to above, and to the use of additives in a biomass liquefaction process.

Abstract: The description relates to an internal combustion engine, and a method for an internal combustion engine with at least one cylinder, at each of which at least one spark providing device for ignition being provided. The engine is operated, in connection to a start procedure of the engine, in a controlled self-ignition mode comprising at least one controlled combustion without spark ignition. The controlled combustion without spark ignition can comprise homogeneous charge compression ignition (HCCI).

Abstract: A method of treating, in wastewater purification, sludge containing organic matter, divalent iron and phosphorus, in which the sludge that is treated is made to contain dissolved iron and phosphorus at a molar ratio Fe:P of above 1:1, the sludge is treated at 0–100° C. with an acid at a pH of 1–5 for dissolution of divalent iron and phosphorus from the sludge, the sludge is supplied with an oxidizer selected from hydrogen peroxide and percompounds, wherein divalent iron is oxidized by Fenton's reaction to trivalent iron, and (i) trivalent iron is precipitated as trivalent iron phosphate (ii) free radicals with a deodorization and sanitation effect are formed by Fenton's reaction, the sludge is then dewatered at a pH of at most 7, and the aqueous solution obtained in dewatering is recirculated to the wastewater purification.

Abstract: The present invention relates to a process for the preparation of a solution comprising a substantially pure isoform of AT-III, said process comprising separating the isoform AT-III&agr; from AT-III&bgr; on a calcium hydroxyphosphate-based adsorbent.