Abstract: A method of producing an ultraviolet protective agent composition, which has high transparency and excellent protection ability against a light of ultraviolet region of wavelengths of 200 to 420 nm, and an ultraviolet protective agent composition obtained by the production method are provided. The method of producing an ultraviolet protective agent composition includes at least step (a) of precipitating iron oxide microparticles by mixing with a microreactor an iron oxide raw material fluid containing at least Fe3+ ion, and an iron oxide precipitation fluid containing at least a basic substance; and step (b) of dispersing the above precipitated iron oxide microparticles in a dispersion medium to obtain iron oxide microparticle dispersion, wherein a haze value of the iron oxide microparticle dispersion is 2.0% or less, and a transmittance of the iron oxide microparticle dispersion for the light of the wavelengths of 200 to 420 nm is 2.0% or less.

Abstract: The present application provides a microsphere in which a main agent is uniformly dispersed in a polymer matrix, wherein an average volume-based particle diameter of the microsphere is 1 ?m or more and 150 ?m or less, and a variation coefficient of area ratios in four regions is 0.35 or less, wherein the area ratios in four regions are calculated by (s/A)×100(%) wherein the four regions are prepared by preparing a cross section observation sample obtained by cutting the microsphere; observing the cross section observation sample with an electron microscope at a magnification capable of confirming the main agent in the microsphere or a higher magnification; and dividing the electron microscope observation image into four regions; and A is an area of a respective divided region, and s is a sum of cross section areas of the main agent included in the respective divided region.

Abstract: A tree crown extraction method based on UAV multi-source remote sensing includes: obtaining a visible light image and LIDAR point clouds, taking a digital orthophoto map (DOM) and the LIDAR point clouds as data sources, using a method of watershed segmentation and object-oriented multi-scale segmentation to extract single tree crown information under different canopy densities. The object-oriented multi-scale segmentation method is used to extract crown and non-crown areas, and a tree crown distribution range is extracted with the crown area as a mask; a preliminary segmentation result of single tree crown is obtained by the watershed segmentation method based on a canopy height model; a brightness value of DOM is taken as a feature, the crown area of the DOM is performed secondary segmentation based on a crown boundary to obtain an optimized single tree crown boundary information, which greatly increases the accuracy of remote sensing tree crown extraction.

Abstract: A method of producing an organic pigment composition including at least organic pigment microparticles, wherein a diffuse reflectance of the organic pigment microparticles is controlled for the purpose of improving a luminance of a color filter. The luminance of the color filter is controlled to be high, by controlling a ratio of an area of the diffuse reflectance in a target wavelength range to a total area of the diffuse reflectance in the entire measurement wavelength range in a diffuse reflection spectrum of the organic pigment microparticles in the wavelength range of 380 to 780 nm, to be high. The luminance of the color filter is controlled to be high, by coating at least a part of the surface of the organic pigment microparticles with an oxide.

Abstract: A power wrench includes a cylindrical housing, an electric motor, an output shaft connected to the motor and a power switching device activated by a trigger located on the housing. The trigger is supported on an annular sleeve element coaxially disposed and rotatable relative to the housing for enabling adjustment of the angular position of the trigger relative to the housing. Irrespective of its angular position the trigger is arranged to axially displace a non-rotatable activation ring to activate the power switching device. The housing includes an adjustable angle head supporting the output shaft and arranged to be set in alternative angular positions relative to the housing.

Abstract: A method of detecting the presence of insects, including larvae, in an indoor environment, which includes the steps of (a) obtaining a sample of volatile organic compounds (VOCs); (b) separating the sampled VOCs; (c) detecting the presence or absence of “target” VOCs from at least one category: “category 1 VOCs”—VOCs emitted independently of the support on which the insects develop and emitted only in an insect infestation VOCs, “category 2 VOCs”—VOCs emitted independently of the support but may have biological origins other than insects, and “category 3 VOCs”—VOCs emitted depending on the support and emitted only in an insect infestation; (d) calculating both an insect infestation index (“3I”) and a limit value (“VL”) based on the presence or absence of the target VOCs; and (e) comparing the “3I” and “VL” values. The environment is infested for a “3I” value strictly greater than the “VL” value.

Abstract: A hydraulic braking device for testing industrial screwdrivers is arranged on a braking simulation bench, the braking device being controlled by an actuator and by a hydraulic control circuit which supplies pressure to the device on the basis of the indications of an electronic elaboration unit of the bench. Such a braking device is provided with coupling means for the screwdriver to be subjected to test and measurement transducers controlled by a processing unit, suitable for measuring the torque exerted by the screwdriver and the rotation angle, and such a device includes a memory which can be read and/or written by the bench electronic elaboration unit.

Abstract: A handheld electric tightening tool includes a housing and a sealing arrangement. The sealing arrangement is adapted to seal a first portion of the housing from a second portion of the housing and includes a sealing element and a spring. The sealing element includes a first portion adapted to bear against a shoulder formed in the housing, and a second portion adapted to bear against a portion of an outer surface of a rotating axle of the tool. The spring is adapted to at a first end bear against a shoulder formed in the sealing element and at a second end bear against a supporting element arranged on the axle, such that a force is exerted on the sealing element urging the sealing element against the shoulder formed in the housing.

Abstract: The object of the present invention is to provide silicon doped metal oxide particles for UV absorption, which average molar absorption coefficient in the wavelength range of 200 nm to 380 nm, is enhanced. Provided is silicon doped metal oxide particles in which the metal oxide particles are doped with silicon, wherein an average molar absorption coefficient in the wavelength range of 200 nm to 380 nm, of a dispersion in which the silicon doped metal oxide particles are dispersed in a dispersion medium, is improved as compared with similar metal oxide particles not doped with silicon.

Abstract: A method for producing a part made of composite material includes adding a thermoplastic or thermosetting matrix around a preform of a reinforcing fiber mesh made by filament winding around the spurs or the like of a frame. There is winding in addition to the fibers on one or several reels within the matrix, the axes of the spurs or the like and those of the one or more reels having different orientations, so as to provide the mesh of fibers with a three-dimensional shape.

Abstract: A forced thin film-type flow reactor is provided with a clearance adjustment mechanism that allows the clearance to be set and adjusted by an alternative means. The flow reactor processes a fluid to be processed by passing the fluid to be processed between a first processing surface and a second processing surface capable of moving towards and away from each other, and the flow reactor comprises a pressure balancing mechanism and a mechanical clearance mechanism. The pressure balancing mechanism forms a minute first clearance by providing pressure balance between the pressure applied by the fluid to be processed, which acts in the direction in which the first processing surface and the second processing surface move away from each other, and a force produced by a back pressure mechanism, which acts in the direction in which the first processing surface and the second processing surface move towards each other.

Abstract: Disclosed is a socket unit comprising a first body portion comprising a first rear end portion for connection to the output shaft of a power tool and a front end portion adapted for engagement with a screw joint and a second body portion comprising a second rear end portion for connection to the output shaft of the direct driven power tool or a second front end portion adapted for engagement with a screw joint. The second body portion is at least partly arranged in the first body portion, and a relative rotation between the first and second body portions is allowed, such that one of the first and second body portions may rotate over a predetermined allowable angular range when the other is in engagement with the screw joint. The present specification also relates to a corresponding method, power tool and computer readable storage medium.

Abstract: A 3D printed and combined building wall element having a 3D printed external wallboard; a 3D printed internal wallboard; and a cement concrete layer sandwiched there between. A structural reinforcement component includes a plurality of vertical and horizontal steel reinforcements, the latter being continuously bent in a meander shape with a convex edge and a concave edge of each horizontal steel reinforcement being located in the 3D printed external wallboard and the 3D printed internal wallboard, respectively. The plurality of vertical steel reinforcements are located in the 3D printed external wallboard and the 3D printed internal wallboard and are fixed at inner folding angles of the plurality of horizontal steel reinforcements.

Abstract: A reflective optical system (100) comprising at least one reflective aspheric surface (1) of focal length f0 and optical axis (Z), the surface being configured so that an incident laser beam (2) propagating along an axis (Z?) is focused along the optical axis (Z) with a FWHM ((Full Width at Half Maximum) of the intensity of the reflected beam along the optical axis (Z) being larger, preferably by a factor of at least 10, than the FWHM of the intensity of a focused beam reflected by a parabola having same focal length f0 and same optical axis (Z), receiving same beam.

Abstract: A method for preparing a binder composition containing water, plant fibers and mineral fillers, wherein the method comprises: preparing a suspension of plant fibers and mineral fillers in water, the weight ratio between the plant fibers and the mineral fillers being comprised between 99/1 and 2/98, refining this suspension, and obtaining a binder composition wherein the refined fibers have a mean size of between 10 and 700 ?m, and wherein the refined fibers, at least partially, embed the refined mineral fillers, wherein refining is carried out in the absence of any grinding medium made of ceramic or metal.

Abstract: A flow reactor is structured to increase the overall heat transfer coefficient, which represents the efficiency of heat exchange with respect to a reactive fluid to be treated. This flow reactor is provided with three flow passages, which are a first flow passage, a second flow passage, and a third flow passage which spirally circulate within a space formed between an inner tube and an outer tube. The flow passages are compartmented by an inner heat transfer body and an outer heat transfer bodies. The heat transfer bodies spirally circulate, have a screw-like cross-sectional shape in an axial cross-sectional view, and are assembled in a screw-like configuration. By changing the shapes of a male-thread portion and a female-thread portion, the flow passage area of the first flow passage is changed, the second flow passage and the third flow passage are spirally formed, and heat exchange and reaction take place through the heat transfer bodies.

Abstract: A device and a method for the surface treatment of a material by a pressurized jet of liquid nitrogen, supercritical cryogenic nitrogen or hypercritical cryogenic nitrogen that may be loaded with particles, use a device that includes a mixing chamber (10) closed by a downstream wall with an outlet orifice, and a diffusion focusing barrel (20) having an inlet and an outlet, the inlet being designed to be fastened to the mixing chamber (10) while being in fluid contact with the outlet orifice of the mixing chamber (10), the pressurized jet of nitrogen having to pass through the focusing barrel from the inlet to the outlet.

Abstract: A heat exchanger with which a fluid to be treated or a generated gas can be prevented from stagnating in a heat transfer part, which can be disassembled for good washability, and which can be coated or lined. The heat exchanger is provided with tow flow passages, i.e. a first flow passage and a second flow passage, within a space formed between an inner tube and an outer tube which are concentric to each other. A spiral heat transfer body is disposed between the inner tube and the outer tube, and the spiral heat transfer body has a cross-sectional shape that is substantially triangular in the axial-direction cross section. The space is partitioned into the first flow passage and the second flow passage by the spiral heat transfer body, and heat is exchanged via the spiral heat transfer body between a first fluid flowing within the first flow passage and a fluid flowing within the second flow passage.

Abstract: A flow reactor can promote a reaction under appropriate temperature management, can precent reaction fluid or generated gas from being trapped in a heat transmission part, can be disassembled for easy cleaning, and to which a coating or lining can be applied. This flow reactor is provided with two flow paths, a reaction flow path and a second flow path, in a space formed between an inner cylinder and an outer cylinder that are concentric. A spiral heat transmission body is disposed between the inner cylinder and the outer cylinder, and the spiral heat transmission body has a substantially triangular cross-sectional shape in an axial cross-sectional view. The spiral heat transmission body partitions the space into the reaction flow path and the second flow path, and heat is exchanged via the spiral heat transmission body between a reaction fluid F1 flowing through the reaction flow path and a heat medium F2 flowing through the second flow path.