Abstract: A carbon steel-concrete/cement mortar-stainless steel composite submarine pipeline belongs to the technical field of marine structure engineering. The composite submarine pipeline is formed by connecting several composite sub-pipelines arranged sequentially along an axial direction of the pipeline, each composite sub-pipeline has an identical structure and includes an outer carbon steel pipe and an inner stainless steel pipe each having a circular cross section and concentrically placed, concrete or cement mortar is filled between the outer carbon steel pipe and the inner stainless steel pipe to form a sandwiched structure with a circular ring-shaped cross section. Between two adjacent composite sub-pipelines, the welding line of the inner stainless steel pipelines is covered by the concrete/cement mortar, and the fatigue performance of the inner stainless steel pipes at the welding line can be improved effectively.

Abstract: The present technology relates to a method of analyzing a sample including an analyte. The method includes injecting the sample including the analyte into a mobile phase. The mobile phase includes a metal chelator additive having a concentration between about 1 ppm to about 10 ppm. The method also includes separating the analyte using liquid chromatography and analyzing the analyte using a mass spectrometer, an ultra-violet detector, or a combination thereof.

Abstract: A semiconductor device made of one or more one-dimensional chains of atoms. The atoms form covalent bonds along the chain with no dangling bonds except at both ends of the chain.

Abstract: The present disclosure relates to methods, compositions and kits useful for the enhanced pH gradient cation exchange chromatography of a variety of analytes. In various aspects, the present disclosure pertains to chromatographic elution kits comprising (a) a first aqueous buffer solution having a first pH and comprising a first organic acid salt in a first concentration and (b) a second aqueous buffer solution having a second pH and comprising the first organic acid salt in a second concentration, wherein the first organic acid salt comprises a first organic acid ammonium salt, wherein the second pH is greater than the first pH, and wherein the second concentration is greater than the first concentration. In various aspects, the present disclosure pertains to methods of using such aqueous buffer solutions in chromatographic separations.

Abstract: An example operation may include one or more of connecting, by a service discovery node, to a blockchain configured to store workloads and stakes of a plurality of endorser nodes, receiving, by the service discovery node, a discovery query that contains an endorsement policy from a user node, generating, by the service discovery node, cryptographic sortition parameters based on the endorsement policy, sending, by the service discovery node, the cryptographic sortition parameters to the plurality of the endorser nodes, collecting, by the service discovery node, sortition labels from the plurality of the endorser nodes, the sortition labels generated based on the sortition parameters, determining, based on the sortition labels, a set of the endorser nodes from the plurality of the endorser nodes that qualify the endorsement policy, and providing, by the service discovery node, identifiers of the set of the endorser nodes to the user node for an endorsement of a user transaction proposal.

Abstract: A LED heat-dissipating downlight includes an enclosure body, a light source board, and a driving board. The enclosure body has a side opening. The accommodating chamber is substantially made of a heat dissipation material. The light source board and the driving board are disposed in the accommodating chamber. The light source board is disposed on a bottom of the accommodating chamber, and thermally contacted to the accommodating chamber. The driving board is disposed on the light source board. The driving board has a spacing hole, and the light generated by the light source board passes through the spacing hole to the side opening of the accommodating chamber.

Abstract: A semiconductor heat sink made of a first material including a plurality of spaced-apart depressions and an area surrounding the depressions filled with one or more materials having a heat conductivity greater than the first material.

Abstract: Reagents comprising MS active, fluorescent molecules with an activated functionality for reaction with amines useful in tagging biomolecules such as N-glycans and uses thereof are taught and described.

Abstract: A flow distribution device (3) for a reactor, a lower internals (100) of a reactor and a reactor are provided. The lower internals (100) includes: a lower core support plate (2) defining a coolant hole therethrough; a flow distribution device (3) mounted on the lower core support plate (2) and including a distribution annular plate (8) and a distribution bottom plate (9); a vortex suppression plate (7) disposed below the distribution bottom plate (9); a support column (4) defining an upper end connected with the lower core support plate (2) and a lower end passing through the distribution bottom plate (9) to connect with the vortex suppression plate (7); an energy absorption device (5) defining an upper end connected with the vortex suppression plate (7); and an anti-break bottom plate (6) disposed on the lower end of the energy absorption device (5).

Abstract: The instant invention relates to a composition for caring for and/or making up keratin materials comprising, in a physiologically acceptable medium, at least one microcapsule containing at least one encapsulated releasable material(s) said microcapsule comprising at least one core and at least one layered coating surrounding said core, and said encapsulated material(s) being at least one reflective particle, and being only released from said microcapsule(s) when said composition is applied onto a keratin material, such as keratin fibers or skin. The invention further relates to a cosmetic process for caring for and/or making up keratinic materials, comprising application on said keratinic materials in particular on the skin of a composition as defined above.

Abstract: The present disclosure relates to methods and systems for providing a multimodal 3D object interaction to let the user interact with 3D digital object in a natural and realistic way.

Abstract: A mass spectrometer is disclosed comprising: a first vacuum chamber having an inlet aperture; a second vacuum chamber; a differential pumping aperture separating the vacuum chambers; and an ion guide arranged in the first vacuum chamber for guiding ions from the inlet aperture to and through the differential pumping aperture. The ion guide has a construction for handling high gas loads such that the spectrometer is able to maintain the gas pressure in the first vacuum chamber such that when ions are accelerated therethrough the ions collide with gas and fragment.

Abstract: Mass spectrometry (MS) active, fluorescent rapid tagging reagent is provided having three substituent groups: (a) a tertiary amino group or other MS active atom; (b) a highly fluorescent moiety; and (c) a reactive group that can react with an amine. The reactive group provides rapid tagging of desired bio-molecules. The fluorescent moiety provides the fluorescent signal. The tertiary amino group provides the MS signal.

Abstract: Reagents comprising MS active, fluorescent molecules with an activate functionality for reaction with amines useful in rapid tagging of biomolecules such as N-glycans, proteins, peptides, and amino acids, and uses thereof are taught and described. These MS active, fluorescent molecules may have three functional components such as a tertiary amino group or other MS active atom, a highly fluorescent moiety, and a functional group that rapidly reacts with amines.

Abstract: An electrostatic sensing device comprises an electrostatic sensing module and a control unit electrically connected to the electrostatic sensing module. The electrostatic sensing module comprises a first electrostatic sensing element comprising opposite ends, and two first electrodes. The two first electrodes are separately located on and electrically connected to the two opposite ends of the first electrostatic sensing element. The first electrostatic sensing element is a single walled carbon nanotube or a few-walled carbon nanotube. The control unit electrically is configured to apply a direct voltage to the first electrostatic sensing element and measure a current/resistance of the first electrostatic sensing element.

Abstract: An electrostatic sensing device comprises an electrostatic sensing module and a control unit electrically connected to the electrostatic sensing module. The electrostatic sensing module comprises a first electrostatic sensing element comprising opposite ends, and two first electrodes. The two first electrodes are separately located on and electrically connected to the two opposite ends of the first electrostatic sensing element. The first electrostatic sensing element is a single walled carbon nanotube or a few-walled carbon nanotube. The control unit electrically is configured to apply a direct voltage to the first electrostatic sensing element and measure a current/resistance of the first electrostatic sensing element.

Abstract: This disclosure provides compositions and methods of treating cancer by inhibiting histone methyltransferases alone or in combination by synergistically inhibiting a histone demethylase, or a histone deacetylase (HDAC), or a bromodomain (BRD)-containing protein, or a B-Raf kinase. In particular, the cancers have deficient of SWUSNF chromatin remodeling complexes because of mutations in one or more of the complex's subunit members.

Abstract: A hover controlling device includes a sensing unit and a hover control unit. The sensing unit includes a plurality of first electrostatic sensing elements, a plurality of first electrodes, a plurality of second electrostatic sensing elements, and a plurality of third electrodes located on a substrate. Each first electrostatic sensing element and each second electrostatic sensing element include a single walled carbon nanotube or a few-walled carbon nanotube. The resistances of the plurality of first electrostatic sensing elements and the plurality of second electrostatic sensing elements are changed in process of a sensed object with electrostatic near, but does not touch the plurality of first electrostatic sensing elements and the plurality of second electrostatic sensing elements. The hover control unit is electrically connected to the plurality of first electrostatic sensing elements and the plurality of second electrostatic sensing elements.