摘要:
Process for the temperature stratification-free storage of a cryogenic liquid in a thermally insulated tank under gravitation conditions or under gravitation and movement conditions, which generate a liquid volume with a clearly limited, unmoving or only moderately moving liquid level as well as with a gas space located above it in the storage volume of the tank. Liquid is pumped off from the area near the bottom of the tank continuously or at time intervals, it is fed into the area of the gas space, and it is directed vertically or at an acute angle toward the liquid level there in the form of at least one high-energy jet.
摘要:
A porphycene having the structure ##STR1## wherein each R.sup.1 is, independently, (a) --(CH.sub.2).sub.n --X, where n= 1-4, X is OR.sup.2 and R.sup.2 is C.sub.1-6 alkyl, aralkyl or aryl; CN; OH; OSO.sub.2 R.sup.2 ; NH.sub.2 ; NHR.sup.2 ; NR.sup.2.sub.2 ; SH; SR.sup.2 ; S(O).sub.1-2 R.sup.2 ; COOH; CO.sub.2 R.sup.2 ; C(O)NH.sub.2 ; C(O)NHR.sup.2 ; C(O)NR.sup.2.sub.2 ; halogen; or CHO;(b) --(CH.sub.2).sub.m CH.dbd.CH.sub.2 where m is 0-2; or(c) --(CH.sub.2).sub.n --O--G where G is a mono- or oligosaccharide;(d) --(CH.sub.2).sub.2n --X, where X is an amino acid, oligopeptide covalently bonded by an ether-, ester- or amine-bond or --Y--(CH.sub.2).sub.n -porphycene.sup.2 (porphycene.sup.2 being a compound of the same structure and Y is a direct bond; --O--; or --CH.dbd.CH.sub.2); or(e) where one, two or three of the substituents R.sup.1 are C.sub.1-6 alkyl or aryl and the remaining substituents are as above under (a)-(d), and salts and metal complexes thereof. The porphycene compounds and pharmaceutical compositions containing the compounds are useful in photodynamic therapy treatment of tumors and psoriasis.
摘要:
Process for the preparation of asymmetrically substituted ureas, carbamates, thiocarbamates or substituted isocyanates by reaction of an adduct of isocyanic acid and a tertiary amine with a primary and secondary amine, an alcohol, a thiol or a compound having one or two non-cumulated olefinic double bonds, and a process for the preparation of N-mono- or N,N-disubstituted ureas by reaction of ammonium isocyanate with a primary or secondary amine in a diluent.
摘要:
An electro-magnetic on-off valve for controlling the opening area of a fluid line, in particular for fuel injection pumps, having a valve element constructed on a valve needle, said valve element cooperating with a valve seat. The valve needle is connected to a magnetic armature of an electromagnet, the magnetic armature moving in a fluid for the purpose of achieving high switching speeds, and being sealed with respect to the liquid-conducting region of the valve. For any purpose of extensive damping of the rebound oscillations which occur when the valve closes and lead to the re-opening of the valve, the connection between the magnetic armature and valve needle is produced by a coupling and which is designed in such a way that after the rebound of the valve element against the valve seat occurring when the valve closes, the magnetic armature and the valve needle oscillate in phase opposition with respect to one another.
摘要:
The longitudinally transported strip passes and is pressed between two cooperating transport rollers. The rotation axes of the two rollers are normally parallel to each other. One roller is swingably mounted about a swing axis which intersects and is perpendicular to the rotation axis of the other, non-swingable roller. Edge sensors are displaced by the lateral edges of the transported strip, when the strip improperly shifts transversely. The force thusly exerted upon an edge sensor is transmitted, via a force-multiplying lever system, to the swingable transport roller, swinging the latter to a position such that the swung transport roller exerts upon a major surface of the transported strip a force whose transverse component is directed opposite to the direction of the improper transverse shift, resulting in automatic recentering.
摘要:
The invention relates to the recombinant production of proteins as well as VLPs which are suitable as a vaccine for therapeutic and prophylactic vaccination. The invention also relates to processes for the production and purification of recombinant papilloma virus proteins and fusion proteins.
摘要:
The present invention discloses functionalized nanoparticles comprising on the surface a covalently bound radical of the formula (I) wherein the nanoparticles are SiO2, Al2O3 or mixed SiO2 and Al2O3 nanoparticles, and wherein the general symbols are as defined in claim 1. These functionalized nanoparticles are for example useful as stabilizers and/or compatibilizers in organic materials, or as photoinitiators in pre-polymeric or pre-crosslinking formulations, or as reinforcer of coatings and improver of scratch resistance in coating compositions for surfaces.
摘要翻译:本发明公开了在表面上包含共价结合的式(I)基团的官能化纳米颗粒,其中纳米颗粒是SiO 2,Al 2 O 3或混合SiO 2和Al 2 O 3纳米颗粒,其中通式符号如权利要求1中所定义。这些官能化纳米颗粒是 例如在有机材料中用作稳定剂和/或增容剂,或作为预聚物或预交联制剂中的光引发剂,或用作表面涂料组合物中涂料的增强剂和耐划伤性改进剂。
摘要:
Vaccine formulations comprising viral capsomeres are disclosed along with methods for their production. Therapeutic and prophylactic methods of use for the vaccine formulations are also disclosed.
摘要:
The present invention relates to a method of producing coloured carrier particles which comprises which comprises:a) dispersing a pigment in aqueous solution, b) adding soda waterglass, c) precipitating SiO2 and the pigment onto the carrier particles by lowering the pH value. Using the methods according to the invention it is possible to obtain colorations and coloured substrates that have surprisingly good light-fastness properties.
摘要:
The invention relates to a connection system, which enables several stackable containers 1, 2) to be interconnected for storage and transport purposes. Said system is equipped with connection elements (4), which automatically engage with one another, when the containers (1, 2) are stacked on top of one another. The connection elements (4), retaining ribs (16) and force absorption ribs (21) on the containers (1, 2) are configured in such a way that lifting forces are directly transmitted from a second container (2) to a first container (1) by means of a locking element (15) on the connection elements.