The epoxy resin having an improved storage stability is composed of a blend of (A) a major proportion by wt. of polyglycidyl ether of bisphenol A (Durrans' softening point 60-130≰C), (B) 5-150% of a stoichiometric amount of trimellitic anhydride, and (C) a small amount of cat., characterised in that the blend contains by wt. of the polyglycidyl ether 0.1-0.5% at least one hindered N-contg. compoun...

The device includes a single detector for receiving a light signal and developing an output electrical signal therefrom. A rotating polygon scanner has several reflective facets that receive light from two separate optical systems and direct the light onto the facets of the scanner at positions offset by onehalf the facet angle such that the light beams alternately strike a facet and the juncture...

This method of FM demodulator, for wide-band communication and communication by spectrum diffusion, using an elastic surface wave delay line comprises an input inter-digital transducer (IDT31) to transform middle frequency signal to elastic surface wave, an output inter-digital transducer (IDT32) to transform elastic surface wave to electrical signal, and a delay line composed of output delay inte...

Drug-resistant protozoal infection, particularly, drug-resistant malarial infection in humans, can be effectively treated with standard antiprotozoal agents if administered in conjunction with a tricyclic N-aminoalkyl iminodibenzyl, dibenzylcycloheptane and cycloheptene, phenothiazine, dibenzoxazepine, dibenzoxepine, or thioxanthene derivative.

An acidic polycyclic ether antibiotic cpd. UK 61,689 of formula (I) and its cationic salt are prepd. by a controlled hydrolysis of a cpd. UK-58, 852 and its cationic salt. (I) and its cationic salt are used in a nutrient feed compsn. for controlling an occidiosis in poultry and for improving a feed utilization in animals.

Sulfur-laden liquid organic phase dimethyl polysulfide (DMPS) is caused to rise from a sour gas well by reaction of the gaseons sulfur component within the well with a sulfur solvent, typically dimethyl disulfide (DMDS). The DMPS is contacted by an extraction or stripping liquid in a vertical column continuous multistage countercurrent flow extractor especially designed to promote high interfacial...

A stand used for stably placing a solar ray collecting device on a veranda or the like comprises an upper base for directly and securely holding the solar ray collecting device, a hanger fixed to the base and hanging from a fixed construction such as a wall-like supporting member, being parallel to the solar ray collecting device, and a lower fixed base for adjustably supporting the upper base.

A stand used for stably placing a solar ray collecting device on a veranda or the like comprises an upper base for directly and securely holding the solar ray collecting device, a hanger fixed to the base and hanging from a fixed construction such as a wall-like supporting member, being parallel to the solar ray collecting device, and a lower fixed base for adjustably supporting the upper base.

A stand used for stably placing a solar ray collecting device on a veranda or the like comprises an upper base for directly and securely holding the solar ray collecting device, a hanger fixed to the base and hanging from a fixed construction such as a wall-like supporting member, being parallel to the solar ray collecting device, and a lower fixed base for adjustably supporting the upper base.

A stand used for stably placing a solar ray collecting device on a veranda or the like comprises an upper base for directly and securely holding the solar ray collecting device, a hanger fixed to the base and hanging from a fixed construction such as a wall-like supporting member, being parallel to the solar ray collecting device, and a lower fixed base for adjustably supporting the upper base.

Bis-Siloxane derivs. of formula (I) are prepd. by reacting lithium diisoalkylamide of formula R2NLi with diester of formula (II) and trialkylchloro silicon of formula R3'-Si-Cl at -90 to 40 deg.C. In the formulas, R=R1=methyl, ethyl, iso-propyl, butyl or pentyl; n=0-2 integer. (I) are useful as an initiator for gp. transfer polymn. (GTP).

A phenyldichlorophosphine (PDP) of formula (I) is prepd. by reacting chlorobenzene of formula (II) with PCl3 in the presence of yellow (white) phosphorus for 6-8.5 hr at 300-315 deg.C. The mole ratio of (II):PCl3:yellow phosphorus is 1.0:1.2-1.5:0.7-0.9. (I) is useful as intermediates of agrichemicals, drugs and dyes.

The refrigerated meals are placed into mobile cool containers (18), and transported to serving units, where the containers act as the refrigerators for the units. The meals are removed from the containers as required for heating and serving.

The assembly of the outer (2) and inner (3) parts of the valve mechanism produces a fluid-tight constriction (6) which, in its proximal end, is connected to the catheter or is integral with it. The elastic part or lumen (2) expands when infusion fluid is fed under pressure, and returns to its fluid-tight constricted position after infusion is completed so that blood cannot run back through the con...