PURPOSE: Provided is an electrode plate for a lead storage battery, which has successive holes in an upper frame bar of the electrode plate, therefore it can reduce an upward movement of the upper frame, caused by the growth of a cathode plate, remarkably, absorb self-deformation, and delay the growth of the electrode plate. CONSTITUTION: The electrode plate(10) of the lead storage battery compris...

The utility model relates to a folding type lead-acid accumulator, which comprises an accumulator container, a positive plate, a negative plate and a partition board separator minute electrolytic solution, wherein, the positive plate is connected with a positive terminal, and the negative plate is connected with a negative terminal. The positive and the negative plates are grid bands made of pure ...

A manufacturing method of expanded grid of the invention includes: (a) a step of supplying a thin plate of band form from the longitudinal direction, (b) a step of forming a plurality of intermittent cuts parallel to the edge in a first region, excluding the central portion, of the thin plate of band form, (c) a step of bending the central portion at a desired angle, and (d) a step of expand...

The present invention is one kind of chiral catalyst for oxidizing coupled naphthol, and features that the chiral catalyst is complex of Schiff base and metal vanadium formed with chiral amino acid and formyl dihydroxybenzene and the axial chirality is generated via chiral amino acid induction. When the chiral catalyst is used in oxidizing coupled naphthol and its derivative, dihydroxybenzene and ...

The multi-airflow wind driven plant has horizontal wind wheel shaft and wind blades forming rotating plane perpendicular to wind direction. The multi-airflow wind driven plant features the airflow collecting disc and the speeding tube set in front end of the wind wheel shaft, the airflow transferring tube set behind the speeding tube and the jet holes in the back of the wind blades. The airflowcol...

The invention discloses a battery plate electrode valve control lead-acid storage battery anode material possessing good homogeneity and high active matter usage rate. The lead cream for coating the plate electrode is composed of the material at the following weight percent (using the total weight of lead cream as reference), PTFE 6% / water miscible liquid 0.1% - 0.5%, vinyl cyanide staple fiber0...

An object of the present invention is to provide a biosensor which enables a measurement with a small amount of specimen, for which whole blood with a reduced influence of blood cell can be used without previously separating blood plasma components from the blood, in an analysis of a component in the blood. The biosensor comprises a sample introductory part (11) to which a sample solution is a...

The present invention provides for a vending system wherein a monitoring system verifies that a product ordered by a vending customer is actually delivered through a delivery area to the customer. If the product ordered is unavailable either because of an out of stock situation or a blockage of the delivery path for that product, the present invention allows the customer to request a refund or ord...

The invention relates to a composition for treating the surfaces of metals a nd for depositing metals or metal alloys on plastic surfaces. Said composition contains: a) at least one polymer, as constituent A, containing at least one structural unit of formula (I), wherein said structural unit can be part of a polymer main chain or can be bound to a polymer main chain by means of an anchor group, a...

The invention relates to a device for saturating a liquid with gas by means of pressure, which comprises: a saturation container (1) filled with pressurize d gas, one or more nozzles (8) for injecting a liquid into the saturation container (1) at the top of said saturation container (1), tubes (dissolver tubes) (4), open towards the top and closed towards the bottom, and disposed below the one or ...

The compound of this invention is a useful catalyst for the oxidative coupling of naphthol. Its originality lies in that it is a novel vanadium complex of Schiff's base formed by a chiral amino acid and a formyl biphenol or its derivative. Its axis chirality is induced to form by the chiral amino acid. It has the general formula: where R represents a benzyl, an isopropyl, an isobutyl or a tertiary...

In a method for machining a composite workpiece (1) which comprises an electrically non-conductive portion (2) and an electrically conductive portion (3), the electrically non-conductive portion (2) is machined by means of a laser and the electrically conductive portion (3) is machined by means of electro machining.

The invention relates to information protection and user identification. The technical result consists in functionality enhancement including: information encryption and decryption; electronic document authentication using an electronic digital signature; protection of electronic documents against copying, exchange of copy-protected electronic documents; settlements by means of electronic payment ...

A herbicidal composition comprising, in addition to customary inert formulation excipients, as a mixture of at least one acetamide herbicide and a lipophilic additive comprising at least one member selected from the group consisting of C13-C20 fatty acids, C13-C20 fatty alcohols and hydrocarbon fluids.

Die vorliegende Erfindung betrifft wässrige Primärdispersionen, die ein hydrophobes Polyurethan enthalten, welches in Miniemulsion durch Umsetzung von (a) Polyisocyanat und (b) Verbindungen mit Isocyanat-reaktiven Gruppen hergestellt wird. Ferner betrifft die Erfindung ein Verfahren zur Herstellung dieser Dispersionen sowie deren Verwendung für die Herstellung von Beschichtungen und Klebstoffen.; ...

A method of making tungsten carbide and a method of making a densified tungsten carbide-containing ceramic body with a transverse rupture strength greater than 300,000 psi are disclosed.; La présente invention a trait à un procédé de fabrication de carbure de tungstène et un procédé de fabrication d'un corps céramique contenant du carbure de tungstène densifié présentant une résistance transversal...

A railroad traffic control system that links each locomotive (T) to a control center for communicating data and control signals. Using on-board computers (14), GPS and two-way communication hardware (20,24), rolling stock continuously communicate position, vital sign data, and other information for recording in a data base and for integration in a comprehensive computerized control system. The dat...

One aspect of the present invention concerns a composition for preparing breathable films. The composition comprises a bimodal polyethylene composition, a particulate filler, and optionally, an olefin-based polymer. The bimodal polyethylene composition has a melt flow rate MFR2 of 0.1 to 4 g/10 min and a density of 918 to 935 kg/m<3>. The olefin-based polymer can be, e.g., polypropylene. The films...

A method of correcting for sensitivity variation of media sensors includes the steps of determining a first reflectance ratio RO of a first calibration media having a first glossiness G1 (S200); determining a second reflectance ratio R[HIGH] of a second calibration media having a second glossiness G2 (S202), the second glossiness G2 being greater than the first glossiness G1 and determining a corr...

The present invention relates to DNA sequences that encode for the branched-chain alpha-ketoacid dehydrogenase complex of an organism belonging to the genus Streptomyces and to polypeptides produced by the expression of such sequences. It also relates to methods of enhancing the production of natural avermectin and of producing avermectin through fermentation.