PURPOSE:To increase cycle life by bonding tin on the surface of a cathode grid comprising antimony-free lead alloy. CONSTITUTION:Sn is bonded on the surface of a grid comprising practically Sb-free Pb alloy, for example Pb-Ca alloy, then paste filling, acid impregnation, aging, and drying are performed to prepare a non-formed cathode plate. When initial charge for formation is applied, by the exis...

PURPOSE:To prevent breakage of battery caused by explosion by arranging a spacer comprising high elastic material such as foamed polyethylene on a connecting shelf which is a current collector of a plate group. CONSTITUTION:A spacer 7 is formed with acid-resitant foamed polyethylene, and placed on a connecting shelf which is a current collector of a plate group 5. Four cutting-off parts 9 are form...

PURPOSE:To prevent short circuit caused by vertical elongation of cathode plates by mounting a short-circuit preventing projection near an anode plate on the back side of a cover to stop the elongation of positive plates. CONSTITUTION:A short circuit preventing projection 9 is mounted to a cover 8 so as to locate near an anode pole 7 on the back side of the cover 8. The projection 9 is mounted so ...

PURPOSE:To grow the lower side clad layer and an active layer while controlling the film thickness without the conventional oscillation characteristics under a low threshold value and a stable lateral basic mode by growing the lower clad layer, the active layer and the first layer for upper clad layer by liquid phase on the flat surface of the substrate before formation of grooves. CONSTITUTION:Wh...

PURPOSE:To detect troubles microscopically with simple constitution and detect quickly troubles by checking whether contents of a submemory corresponding to a memory are prescribed data or not when an instruction is read out from the memory by a program counter. CONSTITUTION:When a CPU reads out a stored instruction of a memory 1 by an address signal, the CPU reads out contents of a submemory 2 ha...

A centrifugal vapor compressor having a two-position, pressure controlled diffuser throttle ring is disclosed. The throttle ring is positively maintained in a minimum or a maximum throttling position by supplying either a relatively low pressure or a relatively high pressure, respectively, to a cavity behind the throttle ring. The throttle ring may be one of any of a variety or types of throttle r...

(Meth)-acrylic acid esters of the formula in which R1 and R2 are each independently hydrogen, chlorine, fluorine or a C1- to C4-alkyl radical and R3 and R4 are identical or different and represent the group wherein Y is a divalent bridge member from the group and Z is a straight-chain or branched hydrocarbon chain which has 2 to 10 carbon atoms, can optionally co...

(Meth)-acrylic acid esters of the formula in which R1 and R2 are each independently hydrogen, chlorine, fluorine or a C1- to C4-alkyl radical and R3 and R4 are identical or different and represent the group wherein Y is a divalent bridge member from the group and Z is a straight-chain or branched hydrocarbon chain which has 2 to 10 carbon atoms, can optionally co...

PURPOSE:To improve the use efficiency and to improve the operability by connecting a key/display device to a job, which is executed in a local or host system, in the local or host mode. CONSTITUTION:When a local system 11 executes a job of the system 11 itself, a mode flag 22 is set to the local mode, and a key/display device 17 is connected to a local job processing part 23 by a key/display inter...

A process is disclosed for accurately maintaining a low alumina content of between 1 and 4.5% in a cell for the production of aluminum by electrolysis in the Hall-Heroult process. According to the invention, a control parameter P=-1/D(dR1/dt), is determined, wherein D is the variation in the alumina content of the electrolytic bath in % weight per hour, R1 is the internal resistance of the cell, a...

Zinc fructose 1.6-diphosphate of the formula: wherein n = 0 to 4.

6-ether derivatives of erythromycin 9-oximes and 9-oxime-ethers are novel antibacterially active compounds, and can be prepared by alkylation of the 6-hydroxy group.

PURPOSE:To carry out the bonding of a glass substrate with an adhesive layer having uniform thickness, by supplying an adhesive to the surface of a glass substrate placed on a table, placing another glass substrate on the adhesive and rotating the table to effect the spreading of the adhesive layer by the centrifugal force. CONSTITUTION:A glass substrate 22 to be bonded is placed on a spinner head...

An apparatus particularly suited for measuring the shape or contour of a surface under load, such as a mattress, is comprised of a humanoid having body limb extremities which are movable in a manner similar to the movement of comparable human extremities. Sensors are placed at joints, such as the knees and hips, to measure the amount of relative movement, i.e. deflection, that occurs at these join...

A method of producing a composite ceramic body which is comprises forming an amorphous ceramic film on the surface of a ceramic substrate; and irradiating said film with ions of high energy to cause atom mixing between said ceramic substrate and said amorphous ceramic film and to allow said film to adhere firmly and integrally to said substrate.

Process for producing hydrocarbon-containing liquids from biomass which comprises introducing biomass in the presence of water at a pressure higher than the partial vapor pressure of water at the prevailing temperature into a reaction zone at a temperature of at least 300 DEG C. and keeping the biomass in the reaction zone for more than 30 seconds, separating solids from fluid leaving the reactio...

PURPOSE:To obtain the titled fiber having extremely improved dimensional accuracy, being easily coincided with the axis, by inserting plural glass rods having high refractive indexes, respectively, into plural holes bored in a starting quartz glass rod, integrating them under heating and grinding specifically the starting quartz glass rod. CONSTITUTION:The plural holes 2 are bored in the quartz gl...

PURPOSE:To make possible the extremely easy and quick termination operation such as connection by coating powder around optical fibers. CONSTITUTION:The optical fibers 1 are first separated while a cushion body 2 is torn apart and thereafter the powder of, for example, talc, etc. having no adhesiveness, i.e., having lubricity is coated around the fibers 1. Then the powder suppresses the tackiness ...