Abstract: The invention relates to a method and to a device for determining a material property, in particular the aging state or the aging resistance, of a bitumen material, comprising the steps: applying a substantially monochromatic first excitation radiation of a first excitation wavelength to the bitumen material; measuring the intensity of a first fluorescence radiation, excited by the first excitation radiation, at a measurement wavelength; applying a substantially monochromatic second excitation radiation of a first excitation wavelength to the bitumen material; measuring the intensity of a second fluorescence radiation, excited by the second excitation radiation, at the measurement wavelength; determining a first key figure for the material property of the bitumen material from the ratio between the intensity of the second fluorescence radiation to the intensity of the first fluorescence radiation.

Abstract: The invention relates to a process for free radical-induced cationic frontal polymerization of cationically polymerizable monomers using a combination of at least one cationic polymerization initiator and at least one activator for said at least one initiator, characterized in that benzopinacol is used as said activator.

Abstract: Radically polymerizable dental material, which contains at least one compound of Formula I: The material preferably additionally contains a radically polymerizable monomer, an initiator for the radical polymerization and filler. It is characterized by a low polymerization contraction stress.

Abstract: The invention relates to the use of aryliodonium and/or arylsulfonium salts of the tetrakis(perfluoro-t-butyloxy)aluminate anion of the following formula (I): as cationic initiators cleavable by light and/or free radicals for polymerizing cationically polymerizable monomers.

Abstract: Radically polymerizable dental material, which contains at least one sulphonic acid ester of Formula 1: in which A is H, CN, an aromatic, cycloaliphatic, linear or branched aliphatic C1-C30-hydrocarbon radical or a combination thereof; X is COO— or —CON(R1)— or is absent; B is an aromatic, cycloaliphatic, linear or branched aliphatic C1-C30-hydrocarbon radical, or a combination thereof; R1 is hydrogen or an aromatic, cycloaliphatic, linear or branched aliphatic C1-C10-hydrocarbon radical; m is an integer from 1 to 6, n is an integer from 1 to 6 and p is an integer from 1 to 6; wherein m and p cannot simultaneously be greater than 1. The compounds of Formula 1 are active as chain transfer agents in radical polymerization.

Abstract: Sensor (1) for determining as rotation angle (?) about a rotation axis (2), the sensor (1) comprising a rotary element (4) which is mounted in a base element (3) so as to be rotatable about the rotation axis (2) and is produced from a first material having a first refractive index n1, wherein a light generating means (5a, 5b, 5c) is provided which is fixedly arranged relative to the base element (3) and a light detection means (6a, 6b, 6c) which is fixedly arranged relative to the base element (3) to detect a light signal emitted by the light generating means (5a, 5b, 5c) and passed through the rotary element (4) along a beam path (8a, 8b, 8c).

Abstract: The invention relates to an isolated nucleic acid molecule comprising at least one promoter that is active in fungal cells of the trichoderma species, wherein a nucleic acid sequence encoding an N-acetylglucosamine-2-epimerase and/or an N-acetylneuraminic acid synthase is operatively bound to each promoter. The at least one promoter that is active in fungal cells is a constitutive promoter.

Abstract: The invention relates to the use of sulfonic acid esters of the following Formula 1 and/or Formula 2, individually or as a mixture of more than one thereof, as regulators in polymerization reactions of radically polymerizable, ethylenically unsaturated monomers: wherein A in each case independently is selected from H, CN, linear, branched or cyclic aliphatic or aromatic C1-C30 hydrocarbon residues; X in each case independently is —COO— or —CON(R1)—, wherein the binding to A occurs via O or N, or is absent if A is an aromatic hydrocarbon residue or CN; B in each case independently is selected from linear, branched or cyclic aliphatic or aromatic C1-C30 hydrocarbon residues; R1 in each case independently is selected from hydrogen and linear, branched or cyclic aliphatic or aromatic C1-C10 hydrocarbon residues, which are optionally substituted with one or more OH groups, wherein the aliphatic hydrocarbon residues are optionally interrupted by one or more oxygen atoms; and n in each case independently is an

Abstract: A roadway joint device for providing a drivable joint section between a road and an adjoining structure, particularly a bridge structure, includes at least one joint element placed on a sliding surface adjacent to the bridge structure. A longitudinal axis of the joint element is arranged substantially parallel to a plane of the roadway and a bridge end section of the bridge structure. Joint gaps with a specified gap width are arranged between the joint element and the adjoining bridge end section and/or an adjoining retaining device arranged at a distance to the bridge end section. The joint element is attached to at least one rod, the rod being arranged substantially in the direction of the longitudinal axis of the bridge structure, anchored at one rod end in the bridge structure and another rod end thereof in the retaining device.

Abstract: An optical diode (1) comprising an optical wave guide for guiding light, preferably of a light mode, with a vacuum wavelength ?0, wherein the optical wave guide has a wave guide core (2, 3, 14) with a first index of refraction (n1), and the wave guide core (2, 3, 14) is surrounded by at least one second optical medium which has at least one second index of refraction (n2), wherein n1>n2 applies, wherein the wave guide core (2, 3, 14) has at least in sections a smallest lateral dimension (7) which is a smallest dimension of a cross section (6) perpendicular to a propagation direction (5) of the light in the wave guide core (2, 3, 14), wherein the smallest lateral dimension (7) is greater than or equal to ?0/(5*n1) and less than or equal to 20*?0/n1, wherein the optical diode (1) additionally comprises at least one absorber element (10, 11, 15, 16) which is arranged in a near field, wherein the near field consists of the electromagnetic field of the light of the vacuum wavelength ?0 in the wave guide core (2

Abstract: A spindle arrangement for a machine tool, comprising a spindle for driving a tool and at least one actuator for exciting vibration of the tool, characterized in that the spindle arrangement is provided with a compensation device for at least partly compensating the inertia forces produced by the vibration excitation in the spindle region.

Abstract: The present disclosure is directed, in part, to a curable composition, a method for augmenting a structure in a patient with a resorbable biocompatible polymer, and a biodegradable, resorbable implant comprising a biocompatible copolymer. An exemplary embodiment of the curable composition comprises (a) 60 wt. % to 95 wt. % of one or more vinyl ester monomers and/or vinylcarbonate monomers, wherein said one or more vinyl ester monomers and/or vinylcarbonate monomers are respectively selected from compounds of the general formulas (I) and (II) below: wherein n, m R1 and R2 have the meaning defined herein; (b) 0.1 to 40 wt. % of one or more multifunctional thiols; and (c) 0 to 10 wt. % of a biocompatible polymerization initiator.

Abstract: A heat storage system using sand as a solid heat storage medium has a fluidized bed heat exchanger (3) arranged between and separated from a storage tank (1) for cold sand and a storage tank (2) for hot sand by weirs (4, 5). The heat exchanger (3) is divided into a plurality of chambers (7) by weirs (6). The weirs (4, 5, 6) are arranged as a combination of overflow and underflow weirs. Fluidized sand is produced in the chambers (7) by a blower (14) positioned underneath the heat exchanger (3). Heat is transferred from a heat source to the sand fluidized and from the fluidized sand to a heat transport medium by transferring mechanisms (8, 9) in the chambers (7). The sand is redirected in a horizontal direction by horizontally acting blowers and/or installations (12) projecting into a respective chamber from a side.

Abstract: The invention relates to a method for the construction of a shaped body from photopolymerizable material by using lithography-based generative production, in which a layer of liquid photopolymerizable material is defined on a production platform, and is polymerized in an exposure region having a predetermined contour, a further layer of photopolymerizable material is defined, the layer defined last is polymerized in an exposure region having a predetermined contour for the layer defined last, and the latter two steps are repeated until a shaped body having a predetermined shape has been formed by the sequence of cured layers with contours predetermined layer by layer, each exposure in an exposure region having a predetermined contour being carried out by controlled activation of individual exposure elements in a two-dimensional array of exposure elements, each exposure element being assigned an image element, wherein the exposure of the exposure region is carried out by a common light source and by a two-dime

Abstract: A device for processing of highly viscous photopolymerizable material for layer-by-layer generation of a shaped body comprises a vat including a bottom which is at least in certain areas thereof transparent, a build platform, an exposure unit for exposing a material layer formed between the lower side of the build platform and the vat bottom in a locally selective manner, a control unit in order to adapt the relative position of the build platform to the vat bottom after each exposure step for a layer, in order to successively build up the shaped body in the desired shape, and a moveably guided doctor blade arrangement including a drive unit for moving the doctor blade arrangement back and forth underneath the build platform. The doctor blade arrangement comprises two doctor blades spaced apart in movement direction, which doctor blades are moveable at a constant distance to the vat bottom along the bottom.

Abstract: A fluidized bed reactor system with one or more fluidized bed reactors for carrying out chemical or physical reactions, at least one reactor thereof being a rapidly fluidized reactor to be operated as a circulating fluidized bed and having, at the upper end, a fluid outlet, a particle separator, and a particle line connected thereto for the purpose of feeding back separated fluidized bed particles into the same or a further reactor, wherein, at least one rapidly fluidized reactor has one or more flow control devices producing reaction zones that are separate from one another, and in order to control the flow conditions into the reaction zones, one or more of these flow control devices are specifically adjustable from outside of the system.

Abstract: A compound of formula (II), and a method of preparation thereof, for use as a smooth muscle cell (SMC) proliferation-inhibiting drug: wherein: R1 to R6 are —H, —F, —CH3, —CF3, —CF2CH3, —OCH3, —COCH3, —C4H9, —COOC2H5, or —C6H5, or two vicinal residues from R1 to R6 form a saturated or unsaturated carbocyclic ring together with the two carbon atoms to which they are attached; R7 is OH, allyloxy, propargyl-oxy, 2,2-dimethylpropanoyloxy (pivaloyloxy), butanoyloxy, 3-methylbutanoyloxy, 2-buten-oyloxy, 2-methyl-2-butenoyloxy, 3-methyl-2-butenoyloxy, isopentanoyloxy, 2-ethylbutanoyl-oxy, 3,3-dimethylbutanoyloxy, cyclopropylcarbonyloxy, cyclobutylcarbonyloxy, cyclo-pentylcarbonyloxy, cyclopentenylcarbonyloxy, cyclohexylcarbonyloxy, cyclo-hexenylcarbonyloxy, adamantylethanoyloxy, 3-phenylpropenoyloxy (cinnamyloyloxy), 2-methylbenzoyloxy, or naphthoyloxy; wherein, in ring A and/or B, one or more carbon ring atoms are optionally replaced by heteroatoms; wherein the compounds of formula (II) are obtained by combining

Abstract: The invention relates to a method for producing a tower construction (1) from reinforced concrete. A tower has at least one cavity (35) that extends in the longitudinal direction within the tower. Double-wall elements (2) are arranged along a periphery of the tower, each comprising an external plate (3) as well as an internal plate (4) in vertical or inclined position, forming vertical external joints (5) as well as vertical internal joints (6) between the external plates (3) and the internal plates (4). A reinforcement (9) is installed in the area of the vertical external joints (5) in-between the external plates (3) as well as the vertical internal joints (6) in-between the internal plates (4). The vertical external joints (5) and the vertical internal joints (6) in-between the double-wall elements (2) are closed and the double-wall elements (2) are filled with concrete (23).

Abstract: The present disclosure is directed, in part, to a curable composition, a method for augmenting a structure in a patient with a resorbable biocompatible polymer, and a biodegradable, resorbable implant comprising a biocompatible copolymer. An exemplary embodiment of the curable composition comprises (a) 60 wt. % to 95 wt. % of one or more vinyl ester monomers and/or vinylcarbonate monomers, wherein said one or more vinyl ester monomers and/or vinylcarbonate monomers are respectively selected from compounds of the general formulas (I) and (II) below: wherein n, m R1 and R2 have the meaning defined herein; (b) 0.1 to 40 wt. % of one or more multifunctional thiols; and (c) 0 to 10 wt. % of a biocompatible polymerization initiator.

Abstract: A method of inducing differentiation of mammalian cells into cardiomyocyte-like cells by contacting the mammalian cell with a triazine compound of formula (I), wherein X is independently —NR4—or —O—, R4 is hydrogen or C1-6-alkyl; R1 is hydroxy, C1-6-alkyl, C1-6-alkoxy, carboxy, C1-6-alkoxycarbonyl, halo, cyano, nitro, formyl, amino, C1-6-alkylamino, or di-C1-6-alkylamino, the C1-6-alkyl or -alkoxy residue being optionally substituted with one or more R5 substituents selected from hydroxy, halo, cyano, and nitro; n is 0 to 5; R2 is hydrogen, aryl, heteroaryl, or C1-6-alkyl, the aryl or heteroaryl residue being optionally substituted with one or more R1 substituents, and where the C1-6-alkyl is optionally further substituted with one or more R5 substituents; and R3 is selected from hydrogen, halo, NR4R7, OR7, SR7, and R7, where the same options apply for R7 as for R2; with the proviso that the compound of formula (I) is not 3-[(4,6-diphenoxy-1,3,5-triazin-2-yl)amino]benzoic acid.