Abstract: A fuel additive which comprises an amide compound of the formula ##STR1## wherein R.sup.1 is hydrogen or a C.sub.1 -C.sub.30 hydrocarbon group, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 each are selected from the group consisting of hydrogen, a C.sub.1 -C.sub.10 hydrocarbon group and a group of formula (II), provided that at least one of R.sup.2, R.sup.3, R.sup.4 and R.sup.5 group of formula (II) R.sup.6 is a C.sub.2 -C.sub.6 alkylene group, R.sup.7 is a C.sub.1 -C.sub.6 alkylene group, a is an integer of 1-100, b is an integer of 0-100, the sum of a and b being equal to 1-200, c is an integer of 1-3, d is an integer of 0-2, the sum of c and d being equal to 3, and X is selected from the group consisting of hydrogen, a C.sub.1 -C.sub.30 hydrocarbon group, a group of formula (III), and a group of formula (IV), wherein formulas (II), (III) and (IV) are defined in the disclosure.

Abstract: Compounds of formula (I): ##STR1## in which: R.sup.1 is hydroxy, protected hydroxy, fluorine, or --OP(O)(OH).sub.2 ; R.sup.2 and R.sup.3 are independently optionally substituted C.sub.6 -C.sub.20 aliphatic acyl; R.sup.4 is hydroxy, protected hydroxy, or --OP(O)(OH).sub.2, where at least one of R.sup.1 and R.sup.4 is --OP(O)(OH).sub.2 ; and R.sup.5 is hydroxy, protected hydroxy, or fluorine; provided that, except where at least one of R.sup.1 and R.sup.5 is fluorine, then at least one of R.sup.2 and R.sup.3 is a substituted C.sub.6 -C.sub.20 aliphatic acyl having (i) at least one halogen substituent and (ii) at least one substituent selected from the group consisting of halogen, hydroxy and C.sub.6 -C.sub.20 aliphatic acyloxy or at least one of R.sup.2 and R.sup.3 is a substituted C.sub.6 -C.sub.20 aliphatic acyl which is substituted by at least one halogen-substituted C.sub.6 -C.sub.

Abstract: A fuel additive comprising a urethane compound. A gasoline composition comprising gasoline blended with a urethane compound to suppress sludge or deposits in fuel intake systems or combustion chambers, such as an automobile engine.

Abstract: A lubricating oil for refrigerating machines comprises polyoxyalkylene compounds represented by the formula (I): ##STR1## Wherein A is a residue obtained from a compound which has both a heterocyclic ring having an ether linkage therein and hydroxyl groups by eliminating the hydroxyl groups from the compound; R.sup.1 and R.sup.2 are each an alkylene group; R.sup.3 is an alkyl group; R.sup.4 is hydrogen atom or an alkyl group; a and b are each a positive integer and l, m, and n are each an integer of 0 or more; and a.multidot.1+b.multidot.m=2 to 100 and l+m+n=2 to 20; further,the polyoxyalkylene compounds have a hydroxyl value ranging from 0 to 30.0 mgKOH/g and satisfies the following formula (1)0.5<p/(p+q)<1.0 (1)wherein p is the number of butylene groups represented by R.sup.1 and R.sup.2, and q is the number of all alkylene groups excluding the butylene groups.

Abstract: This invention concerns an apparatus and a method for the manufacture of blood products which are aimed at attaining the manufacture of blood products automatically and rationally with the operational efficiency enhanced, the quality of blood products stabilized, and the safety of blood products exalted, which are characterized in that the tube of a first container and the tube of a second container are aseptically and automatically connected preparatorily to the transfer of a plurality of blood components obtained by the separation of blood in the first container to the second container and the blood components in the first container are transferred through the connected tubes to the second container by use of a blood component transferring device.

Abstract: A lubricating oil for two-cycle engines, which comprises a polyoxyalkylene glycol derivative represented by the following formula as a base oil, can be used to lubricate bearing portions and frictional portions of an two-cycle engine, so that the engine can be remarkably improved in generation of smoke, starting performance, cleanliness to prevent its exhaust system from clogging with carbon, cleanliness at high- or low temperature, and anti-seizure performance.

Abstract: An apparatus and method for transferring a centrifugally separated component in a liquid contained in a flexible bag is disclosed. The apparatus is composed of a centrifugal container for accommodating flexible blood collecting bag filled with blood, and a pushing mechanism for pushing the blood collecting bag. The pushing mechanism is composed of a pair of rollers for pushing a soft material part of the cylindrical portion of the centrifugal container from opposite directions in such a manner that the soft material part is deformed inwardly to project inside the centrifugal container and increase inner pressure of the flexible bag to transfer separated component out of the flexible bag. According to the apparatus and method, the yield for collecting the separated component obtained by centrifugal separation can be increased, and the time required for collection can be decreased.

Abstract: A ceramic-metal composite assembly includes a ceramic member having a stab shaft and a metallic member having a recess. The ceramic member and the metallic member are joined together by press fit, i.e., by fitting the stab shaft into the recess. The stab shaft and the recess after extraction of the stab shaft from the recess has a set relationship of 50 .mu.m.ltoreq.X-Y.ltoreq.150 .mu.m where X is an outer diameter of the stab shaft and Y is an inner diameter of the recess whilst a surface roughness Rz of the recess in the circumferential direction thereof after extraction of the stab shaft from the recess is 1.5 .mu.m or less.

Abstract: A method of making a novel lubricant additive comprising a boric acid modified aminoamide compound is disclosed. A lubricating oil composition incorporating the modified aminoamide compound is also disclosed, which exhibits enhanced high-temperature cleanliness when used particularly for two stroke cycle engines.

Abstract: A composite of interconnected bags comprises a blood collecting bag, a preserving liquid bag, and a blood plasma bag. The interior of the bag body of the blood collecting bag is divided by a partition strip into an empty space and an empty space of the shape of a strip, with the two empty spaces mutually communicating near the end part of the partition strip. The blood collected in the blood collecting bag is centrifuged. The upper layer of blood plasma resulting from the centrifugation is discharged via a tube to the blood plasma bag. Then, the erythrocyte preserving liquid in the preserving liquid bag is advanced through the tube, the empty space, and a connecting part and added upwardly from below to the concentrated erythrocyte left behind the empty space. The erythrocyte preserving liquid, without being stirred, is allowed to ascend and mingle with the concentrated erythrocyte with the elapse of time.

Abstract: A refrigerator oil mainly comprises, as a base oil, an ester of a carboxylic acid having a specific structure represented by the formula ##STR1## and at least one kind of an epoxy compound, which refrigerator oil is excellent in electrical insulating properties, stability to hydrolysis, wear resistance, non-hydroscopicity, compatibility with a hydrogen-containing halogeno carbon refrigerant, and thrmal stability and chemical stability.

Abstract: A container device comprises a blood-collecting bag, a platelet conserving bag, and a plasma bag. These bags are connected each other by tubes. Anticoagulant agent is contained in the blood-collecting bag, and the other bags are empty. The blood-collecting bag is formed of flexible polyvinylchloride. The blood-collecting bag is autoclaved after containing anticoagulant. The other bags are formed of polyolefin such as EVA, and radiation- or gas-sterilized in an empty state.

Abstract: A blood collection device having a blood-collecting tube, a needle, a blood container connected to the needle by the blood-collecting tube. The blood container has a blood-storing space containing anticoagulant solution. Two blood-component containers and an erythrocyte-preserving solution container are connected to the blood container by a blood-component supplying tube and a tube. The containers are made of soft material. A branching member is coupled to the blood-collecting tube and located between the blood container and the needle. A tube branching from the blood-collecting tube is connected to a filter. The filter allows passage of gas but substantially prevents passage of blood, bacteria, microorganism and the like. A flow stopper connects the blood-collecting tube to the filter. The flow stopper comprises a breakable member closing the branch tube. When the breakable member is broken, the branch tube communicates with the filter.

Abstract: A fluid composition for refrigerators, which comprises [A] a halogenocarbon refrigerant, and [B] a synthetic lubricating oil comprising at least one carbonic acid ester selected from the group consisting of:[I] a carbonic acid ester represented by the general formula (1) ##STR1## wherein R.sup.1 and R.sup.2 are each an alkyl or dihydric alcohol residue, R.sup.3 is an alkylene, and a is 1-30,[II] a carbonic acid ester represented by the general formula (2) ##STR2## wherein X.sup.1 is --H or ##STR3## R.sup.4 -R.sup.6 are each an alkyl, cycloalkyl or neopentyl type polyol residue, R.sup.7 is an alkyl, b is 1 or 2, c is 0 or 1 (b+c=2), d is 0-30 and e is 1-3, and[III] a carbonic acid ester of which alcohol moieties are (i) a monohydric alcohol, (ii) a dihydric alcohol, and (iii) a neopentyl type polyol or dimer or trimer thereof.

Abstract: A synthetic lubricating oil comprising as a base oil at least one kind of a carbonic acid ester represented by the general formula (1) ##STR1## wherein all the symbols such as X.sup.1, A.sup.1, A.sup.2, B, R.sup.

Abstract: The invention provides an improved combined body of ceramics and metal which maintains high anti-torsional strength and anti-slip off strength while stress concentration is relaxed and deterioration of the ceramics is well prevented. The combined body includes a ceramic member inserted into and firmly engaged with a recess or an opening of a metal member. The combined body has a treated surface region in the vicinity of an engagement end of a contact surface of either the ceramic member or the metal member, and an untreated surface region at a location other than the vicinity of the engagement end.

Abstract: A method for separating liquid components which have been fractionated into at least an upper layer component and a lower layer component in a soft flexible container provided with a liquid transfer port located either at an upper part or a lower part of the container comprising a step of pressing the container to a flat configuration, so as to flowing out one of the liquid components through the liquid transfer port, characterized in that the inner walls of a liquid storage chamber of the flexible container, except for the liquid transfer port, are partly brought into close contact with each other in advance, so as to define such a flowing passage for the liquid component, the width of which becoming narrower toward the liquid transfer port, prior to the step of pressing the flexible container to a flat configuration.

Abstract: A synthetic lubricating oil comprising as a base oil at least one kind of a carbonic acid ester selected from the group consisting of:[I] a carbonic acid ester represented by the general formula (1) ##STR1## wherein R.sup.1 and R.sup.2 are each an alkyl or dihydric alcohol residue, R.sup.3 is an alkylene, and a is 0-30,[II] a carbonic acid ester represented by the general formula (2) ##STR2## wherein X.sup.1 is --H or ##STR3## R.sup.4 -R.sup.6 are each an alkyl, cycloalkyl or neopentyl type polyol residue, R.sup.7 is an alkyl, b is 1 or 2, c is 0 or 1 (b+c=2), d is 0-30, and e is 1-3, and[III] a carbonic acid ester of which alcohol moieties are (A) a monohydric alcohol, (B) a dihydric alcohol, and (C) a neopentyl type polyol or dimer or trimer thereof.

Abstract: The present invention provides a solid oxide fuel cell system comprising a stack including a layer of a number of cell units and separators alternated with each other, and characterized in that a set of cell units are placed on one surface between the separators, wherein each cell unit in the set is separately placed on the surface crossing at right angles to the layered direction, and wherein internal manifolds for fuel gas supply/exhaust and internal manifolds for oxidant gas supply/exhaust are formed around each cell unit, and all of them are formed through the separators.

Abstract: A composition prepared by adding a p,p'-dinonyldiphenylamine represented by the following general formula: ##STR1## wherein R.sub.1 and R.sub.2 may be the same or different from each other and each stand for a branched alkyl group having 6 carbon atoms,and an N-p-alkylphenyl-.alpha.-naphthylamine represented by the following general formula: ##STR2## wherein R.sub.3 is an alkyl group having 12 to 15 carbon atoms derived from a propylene oligomer,as essential components to a mineral oil having an aromatic content of 30% by weight or below and/or a synthetic oil containing no aromatic ring in its structural unit.