FIELD: methods of structural chemistry. SUBSTANCE: enantiomers are isolated by countercurrent extraction involving at least two liquids with unlike chirality, liquids completely mixing with one another and being separated from each other by a phase with which they do not mix. Such phase can be introduced into a solid carrier that may be porous or non-porous and should be preferably in the form of ...

FIELD: oil and gas production industry. SUBSTANCE: this can be used in drilling bore-holes and opening of productive beds. Device has receivers of pressure signals installed at well head, amplifiers for in-pipe and annular space lines, filters of in-pipe and annular space lines, threshold components, measurement control digital unit, time counter, unit for storing value of total time of spreading ...

FIELD: oil production industry. SUBSTANCE: this can be used for control and projecting in development of deposits. According to method, determined is balance reserve of oil with respect to well in which bed pressure is to be determined. Also determined are total amount of liquid recovered from well, accumulated volume of displacing agent being injected into well, and total amount of its recovery f...

The invention relates to the field of machine and device quality control, which is based on measurement of deformation acceleration and small transfers, and it can be used for the control of vibration parameters of an operating wind electrical equipment.The aim of the invention is simplification of the construction and an increase in safety.Indicator of vibrations (Image 1) contains: mechanotrone ...

The invention relates to industries using wind generators, including - to devices that transform mechanical energy into electrical energy and using electrical machines with several rotors. Its aim - to increase the specific capacity, meanwhile ensuring multiphase execution.The wind generator (Image 1) contains two rotors: an internal one with tooth-like packages 1, 2 and an external one with tooth...

The innovation relates to the field of electrical devices, specifically to multi-pole electrical no-contact generators and can be used in wind generating devices. The goal of this is to increase the specific power and to decrease tapping moment. The generator (fig.1) is made up of: U type cores 1-9 where on each of them anchor type 11 two coils 10 have been placed; aluminum rotor 12 in the grooves...

The invention belongs to wind power engineering, namely, wind power equipment (WPE)control, by transformation of electric power into thermal and using electrically heated elements for this purpose.The aim of the invention is control simplification and improvement of power transformation efficiency.A diagram illustrating the method of the device is shown in fig.2. Generator 2, via terminals 5 of co...

The invention belongs to the performance control of machines and apparatus and is based on performance evaluation by means of electric power transformation into different types of energy and using it for control of wind power equipment (WPE) efficiency.The WPE control device 1 (fig.2) consists of control unit 2,microprocessor 3, stabilization unit 4, braking device 5 and controlled parameter conve...

Dans un procédé de compression d'un gaz, associé à une unité de séparation (5) d'un mélange gazeux, le compresseur (1, 2, 7) comprend un nombre d'étages inférieur à celui qu'il faudrait pour réaliser un compresseur optimal de type isotherme comprimant le même débit dudit gaz à la même pression.
Le compresseur peut comprimer le mélange gazeux à séparer ou un produit de la séparation.

An oyster tray for holding, displaying and opening bivalve shellfish e.g. oysters, has its surface made with a series of recesses (2) shaped to receive one oyster each, with an anchor (3) adjacent to each recess shaped to receive a gripper on the device for opening the shellfish, e.g. a wire passed round its adductor muscle. The tray recesses are set in staggered rows, and can be rectangular, circ...

A milled tooth shaped rotary cone drill bit for drilling oil wells and the like manufactured using a powder metallurgy process in which an alloy powder is pressure molded into the desired bit shape, sintered, and precision machined.

A canopy structure comprising a cloth (100) and a frame (101) supporting the cloth, which frame comprises a first (3) rod as well as a number of second rods (4), which are at least almost all hingedly connected at their one end to central hinge means (8,11) and which extend from the central hinge means in various substantially radial directions and are directed substantially transversely to the fi...

The electro-chemical sensor comprises a substrate (1) supporting two current conducting bands (4,5) of width L & L'. The facing edges of these two bands (4a,5a) are isolated from each other by a space of width delta. A covering film (2) comprising a connection window and a measurement window lies over the conduction bands. The film includes two openings (12,13) separated by a portion (14) which de...

Wrinkles are cosmetically removed from a superficial area of mammalian skin tissue having an epidermal layer, a basal layer, and a dermal layer, by irradiating the dermal layer through the basal layer, the irradiation being selected to be absorbed by a chromophore in the dermal layer such that collagen present in the dermal layer is heated, while the basal layer remains intact so as to substantial...

A fluororesin molding which is made from a fluororesin composition comprising 0.1 to 30 % by weight of a carbonaceous material and is fluorinated on the surface. The molding is produced by molding a fluororesin composition comprising 0.1 to 30 % by weight of a carbonaceous material and fluorinating the surface of the molding with a reactive gas comprising a fluorine compound. The objective molding...

FIELD: booking tickets to transport, hotels, travels. SUBSTANCE: device is connected to main computer which provides control of global booking status. Terminal may request current booking status, request ticket booking and generate, provide and alter booking logs for main computer. Terminal has terminal computer, display and pointing device. Terminal computer runs several parallel tasks such as ti...

Adhesive composition for articles made of (meth)acrylic (co)polymer (A) comprising 80-100 wt.% of methyl methacrylate monomer and 0-20 wt.% of at least one ethylenically unsaturated monomer which is copolymerisable with the methyl meth acrylate. The composition comprises 45-90 wt.% 1,3-dioxolane, 2-25 wt.% of formic acid or mono-, di- or tetraglyme, 2-30 wt.% dissolved (meth)acrylic (co)polymer (B...

A SAW device comprising an inter-digital electrode capable of withstanding application of excessive electric power, while preventing an increase of insertion loss. The SAW device has an inter-digital electrode formed by alternating layers of aluminum films and conductive films, where the conductive films have an elastic constant greater than that of the aluminum films.

A highly-digestible, preferred taste and high-quality fermented bagasse feed prepared by incorporating a lactic acid bacterium capable of proliferating in an alkaline nutrient culture medium of not less than pH 9.5 or in a nutrient culture medium containing sodium chloride of 6.5 w/w % into an alkali-treated bagasse which is prepared by softening a bagasse while preventing the substantial decompos...

L'invention concerne une installation de bronzage, un dispositif et un procédé de régulation d'un appareil de bronzage et un objet portatif apte à coopérer avec ladite installation ou ledit dispositif.
Le but de l'invention est de rendre beaucoup plus fiable les appareils de bronzage et de protéger la santé des utilisateurs.
Ce but est atteint à l'aide d'une installation (1) comprenant ...