Abstract: A work holding mechanism includes a body part having a three-dimensional shape including at least a recess or a protrusion, and an adsorption part for holding a work by adsorbing the work onto the body part in conformity to the three-dimensional shape of the recess or the protrusion provided in the body part. The work is held by being adsorbed in conformity to the three-dimensional shape of the body part, and, therefore, the amount of usage of the work in a work molding system can be reduced as compared with when the work is held so as to have a flat shape.

Abstract: The present invention provides carbapenem hydrochloride trihydrate crystals, which are chemically stable, easily purified and useful as antimicrobial agents, a process for producing them, and a powdery charged preparation for injection containing them. That is, it provides carbapenem hydrochloride trihydrate crystals having a powdery X-ray diffraction pattern containing lattice distances (d) of 9.0, 4.1 and 2.8 ?, a process for producing them, and a powdery charged preparation for injection containing them.

Abstract: The present invention provides carbapenem hydrochloride trihydrate crystals, which are chemically stable, easily purified and useful as antimicrobial agents, a process for producing them, and a powdery charged preparation for injection containing them. That is, it provides carbapenem hydrochloride trihydrate crystals having a powdery X-ray diffraction pattern containing lattice distances (d) of 9.0, 4.1 and 2.8 ?, a process for producing them, and a powdery charged preparation for injection containing them.

Abstract: A process for the preparation of carbapenem antibiotics, which is free from the two disadvantages: (1) use of column chromatography and (2) recovery of a difficulty soluble salt and by which the objective compounds can be efficiently prepared in a short period. Specifically, a process for the preparation of compounds represented by the general formula (IV), salts thereof, or hydrates of both, characterized by reacting a compound represented by the general formula (I) with a compound represented by the general formula (II): X—H (wherein X is a member selected from the group consisting of substituents represented by the formulae (X-1) to (X-8)) to thereby obtain a compound represented by the general formula (III) or salt thereof, converting the compound (III) or salt thereof into a compound represented by the general formula (IV) or a salt thereof through the removal of the protecting group (R3), and purifying the compound (IV) or salt thereof by crystallization.

Abstract: A production process which comprises subjecting a basic antibiotic.oxalate (II) to salt-exchange with an alkali earth metal salt (III) of an inorganic acid: wherein the ring A means the basic antibiotic; R10 means a protected functional group used in organic synthesis; Ak—E means the alkali earth metal; and B means the inorganic acid, respectively.

Abstract: A highly thermoconductive ceramic substrate, which is characterized by having formed on a ceramic substrate an electroconductive coating of a mixture of tungsten and/or molybdenum with the nitride of a transition metal belonging to Group IVa of the Periodic Table of Elements. As the ceramic substrate in the present invention, a non-oxide type ceramic substrate is used because of satisfactory strength. The formation of the electroconductive coating consisted preponderantly of a mixture of tungsten and/or molybdenum with the nitride of a metal belonging to Group IVa of the Periodic Table Elements is accomplished, for example, by preparing a metallizing composition in the form of a paste or solution containing a metal salt of tungstic acid or molybdic acid and a transition metal of Group IVa or a compound thereof, applying the metallizing composition on the ceramic substrate, heating the resulting composite, then firing the composite.

Abstract: A powdery desulfurizer composition for injection desulfurization of molten iron, said composition comprising quicklime, diamide lime and calcium carbide.