FIELD: everyday practice articles. ^ SUBSTANCE: invention refers to vacuum cleaners. Vacuum cleaner contains main body, dust collector with contaminant storage section, first dust separator arranged in dust collector, and cover attached to first dust separator. External wall of first dust separator parts contaminant storage section to first and second sections. Additionally vacuum cleaner can cont...

FIELD: chemistry. ^ SUBSTANCE: based on chemical equation 3CCl4+4NH3 = C3N4+12HCl, quantities of carbon nitride C3N4 and carbon tetrachloride CCl4 are preliminary calculated. Then prescribed amount of liquid NH3, in sealed vessel, and carbon tetrachloride CCl4 are introduced into reaction chamber. The chamber is secured, within it the vessel with NH3 is opened, the chamber is heated to temperature...

FIELD: mining; transportation. ^ SUBSTANCE: tractive unit can include tracklaying assembly including set of rollers and continuous caterpillar located rotatable around rollers. Electric motor can be implemented with ability of caterpillar rotation around rollers. With opposite ends of tracklaying assembly can be pivotally connected top and bottom levers, pivotally connected to track unit body. It ...

FIELD: physics, measurement. ^ SUBSTANCE: invention concerns methods of electromagnetic signal processing for tool of modelling and visualisation of stratified underground fractions surrounding the tool. Electromagnetic signals corresponding to current position of tool measurement point are obtained for measurement during drilling, and multilayer model is generated by the electromagnetic signals. ...

FIELD: physics. ^ SUBSTANCE: light source is located against light guide so as to conduct light to a sensor key. Optic wave guide is constructed to transmit light. Reflector element can be used for increased light reflection. ^ EFFECT: reduced thickness of mobile terminal and improved lighting of keyboard. ^ 21 cl, 8 dwg

A silver catalyst for ethylene oxidation to ethylene oxide is provided containing a promoter combination consisting of an alkali metal component, a sulfur component, and a fluorine component, the catalyst being essentially free of rhenium and transition metal components.

FIELD: physics. ^ SUBSTANCE: improvement is achieved by adding extra coils to a part of antenna, either surrounding ferrite material or lying on the surface of at least partially dielectric material. Additional coils or half-coils combined with radio frequency field of parallel antenna parts create radio frequency field component proportionally higher than radio frequency field component of unimpr...

A planar lightwave circuit including a slab waveguide, with a plurality of different diffraction filtering elements optically coupling a plurality of input and output ports, provides various optical functionalities including multiplexing, demultiplexing, diplexer and triplexer. In the basic configuration one or more output ports are optically coupled to an input port via grating filters etching in...

Nano-particles are molded in nano-scale molds fabricated from non- wetting,low surface energy polymeric materials. The nano-particles can include pharmaceuticalcompositions, taggants, contrast agents, biologic drugs, drug compositions,organic materials, and the like. The molds can be virtually any shape and lessthan 10 micron in cross-sectional diameter.; Se moldean nanopartículas en moldes de nan...

This invention relates to an elastic bandage for supporting a body extremity such as a leg. Such bandages are used to overcome problems with fluid retention and swelling in the legs, occurring as a consequence of varicose veins, vascular incompetence, pregnancy, etc. It is a task of this invention to supply an active support for a body extremity such as a leg, which can be used by a person underne...

FIELD: engines and pumps. ^ SUBSTANCE: geared adaptor for textile machinery e.g. nip combs, spindleless spinning loom expansion cylinders and combing rolls etc., contains multiple inserts representing geared components forged from sheet metal and arranged both in parallel and one after another. The said components tails are furnished with recesses allowing a form closure on the holder and retentio...

An impact resistant, flame-resistant thermoplastic molding composition suitable for making thin-wall housing parts is disclosed. The composition contains A) 50 to 90 parts by weight of at least one a member selected from the group consisting of polycarbonate and polyester carbonate, B) 5 to 20 parts by weight of rubber-modified vinyl (co)polymer C) 2 to 15 parts by weight of at least one low-volat...

In a multi-carrier communication system employing adaptive modulation and coding, a receiver feeds back channel quality information for a "binned" group of subcarriers instead of sending an individual quality report for each subcarrier. A transmitter will utilize the channel quality information for the bin to determine a set of gamma

A light-emitting device is disclosed, comprising: a phosphor layer having a red phosphor and a green phosphor, the red phosphor being activated by Eu 2+ and having an emission peak in a wavelength range from at least 600 nm to less than 660 nm and the green phosphor being activated by Eu 2+ and having an emission peak in a wavelength range from at least 500 nm to less than 560 nm; and a blue-lig...

A slide mechanism of a mobile device is provided to determine positions of the first and second frame bodies in two opening states. A slider unit(2) slides the first and second frame bodies(11,12) such that they can be opened and closed relatively in the first linear direction in a state of overlapping each other, and slides the first and second frame bodies(11,12) such that they can be opened and...

An aqueous resin composition comprising a polyepoxy compound represented by formula (I):wherein n represents a number of from 0.1 to 20; Z represents a single bond, an alkylidene group having 1 to 4 carbon atoms or a sulfone group; and X represents a hydrogen atom or a glycidyl group, provided that at least 10% of nX's represent a glycidyl group, and water.

A surface acoustic wave filter element has €ƒ€ƒ€ƒ a piezoelectric substrate; and €ƒ€ƒ€ƒ a plurality of inter-digital transducer (IDT) electrodes formed on the piezoelectric substrate, €ƒ€ƒ€ƒ wherein at least one of the plurality of IDT electrodes is connected to a balanced type terminal and other IDT electrodes are connected to balanced type terminals or unbalanced type terminals, and €ƒ€ƒ€ƒ f...

A compact and simple constitution of a card connector, with which attaching and detaching works of a card can be performed easily, is provided. The connector 1 comprises: a body 2 having a recess 2 a for a card 100 ; six contact springs projecting from a bottom face 3 a of the recess 2 a on which the IC card 100 is disposed, and elastically contacting with contact terminals 101 of the card 100 ; a...

In a magnetic disk storage apparatus, when a drive current of the voice coil motor is small, the head drive control circuit executes the linear drive mode under which the voice coil motor is driven in a linear control manner, whereas when the drive current is large, the head drive control circuit executes the pulse drive mode under which the voice coil motor is driven in a pulse width control mann...

The present invention relates to such a water cooling device of a vertical multi-cylinder engine as mentioned below. The water cooling device of the vertical multi-cylinder engine comprises a cylinder block (1) one side wall of which is provided with a side water passage (3) running along a longitudinal direction of the cylinder block (1). The cylinder block (1) has an interior area provided with...