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blasting (8) 8
heating (8) 8
lighting (8) 8
mechanical engineering (8) 8
weapons (8) 8
combustion engines (5) 5
hot-gas or combustion-product engine plants (5) 5
supplying combustion engines in general, with combustiblemixtures or constituents thereof (5) 5
chemistry (4) 4
metallurgy (4) 4
performing operations (4) 4
transporting (4) 4
animal and vegetable oils, fats, fatty substances and waxes (3) 3
candles (3) 3
circuit arrangements or systems for supplying or distributingelectric power (3) 3
conversion or distribution of electric power (3) 3
crankcase ventilating (3) 3
detergent compositions (3) 3
detergents (3) 3
electricity (3) 3
engine plants in general (3) 3
fatty acids therefrom (3) 3
generation (3) 3
lubricating internal combustion engines (3) 3
lubricating of machines or engines in general (3) 3
machines or engines in general (3) 3
physical or chemical processes or apparatus in general (3) 3
recovery of glycerol (3) 3
resin soaps (3) 3
separation (3) 3
soap or soap-making (3) 3
steam engines (3) 3
systems for storing electric energy (3) 3
use of single substances as detergents (3) 3
impregnating or coating of paper (2) 2
paper not otherwise provided for (2) 2
paper-making (2) 2
preparation thereof not covered by subclasses d21c or d21d (2) 2
production of cellulose (2) 2
pulp compositions (2) 2
textiles (2) 2
treatment of finished paper not covered by class b31 or subclass d21g (2) 2
2型糖尿病 (1) 1
aldehydes - chemistry (1) 1
amino acids (1) 1
animals (1) 1
antibodies, viral - blood (1) 1
antiviral agents (1) 1
baker-venkataraman rearrangement (1) 1
baker–venkataraman rearrangement (1) 1
beer (1) 1
benzopyran derivatives (1) 1
biochemistry (1) 1
cd4-positive t-lymphocytes - immunology (1) 1
cell line, tumor (1) 1
cell proliferation (1) 1
chemistry, organic - methods (1) 1
chemokine ccl5 - genetics (1) 1
chemokine ccl5 - immunology (1) 1
chromenopyrrolones (1) 1
cladding or plating by soldering or welding (1) 1
cleaning (1) 1
cleaning in general (1) 1
compositions or test papers therefor (1) 1
condition-responsive control in microbiological orenzymological processes (1) 1
controlling (1) 1
crystallography, x-ray (1) 1
cutting by applying heat locally, e.g. flame cutting (1) 1
cytotoxicity tests, immunologic (1) 1
dendritic cells (1) 1
dendritic cells - immunology (1) 1
dna vaccine (1) 1
enzyme-linked immunosorbent assay (1) 1
enzymology (1) 1
female (1) 1
flow cytometry (1) 1
fluorenes - chemical synthesis (1) 1
fluorenes - chemistry (1) 1
fluorescence (1) 1
fluorescent dyes - chemical synthesis (1) 1
fluorescent dyes - chemistry (1) 1
hbv (1) 1
hepatitis b (1) 1
hepatitis b surface antigens - genetics (1) 1
hepatitis b surface antigens - immunology (1) 1
hepatitis b vaccines - genetics (1) 1
hepatitis b vaccines - immunology (1) 1
hepatitis b virus (1) 1
hepatitis b virus - immunology (1) 1
humans (1) 1
immune response (1) 1
immunization, secondary (1) 1
investigations (1) 1
knowledge-based systems (1) 1
life sciences & biomedicine (1) 1
machine tools (1) 1
measuring or testing processes involving enzymes, nucleicacids or microorganisms (1) 1
metal-working not otherwise provided for (1) 1
meyer (1) 1
mice (1) 1
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European journal of organic chemistry, ISSN 1434-193X, 08/2011, Volume 2011, Issue 24, pp. 4551 - 4563
An efficient one‐pot synthesis of multi‐functionalized chromeno[2,3‐c]pyrrol‐9(2H)‐ones from 1,3‐diaryl‐1,3‐diketones and amino acids is described. The... 
Amino acids | Chromenopyrrolones | Synthesis design | Baker–Venkataraman rearrangement | Baker-Venkataraman rearrangement
Journal Article
06/2020
The utility model relates to a working platform of a flame cutting machine. Wherein the bedplate is formed by a grid plate made of flat steel; supporting... 
TRANSPORTING | MACHINE TOOLS | WORKING BY LASER BEAM | CLADDING OR PLATING BY SOLDERING OR WELDING | METAL-WORKING NOT OTHERWISE PROVIDED FOR | WELDING | SOLDERING OR UNSOLDERING | CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING | PERFORMING OPERATIONS
Patent
Organic & biomolecular chemistry, ISSN 1477-0520, 2010, Volume 8, Issue 22, pp. 5048 - 5052
Journal Article
ChemInform, ISSN 0931-7597, 01/2012, Volume 43, Issue 1, pp. no - no
... formation but directly affords title chromenopyrrolones (VI) in good yields.   Yanjun Yu , Yun Hu , Weiyan Shao , Jianing Huang , Yinglin Zuo , Yingpeng Huo , Linkun... 
rearrangements | benzopyran derivatives | Investigations | Pyridine
Journal Article
Journal Article
01/2017
The invention provides a recycling method of waste air filter paper. The method relates to the technical field of filter paper recycling. The method comprises... 
TRANSPORTING | SEPARATION | PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL | PERFORMING OPERATIONS
Patent
02/2016
The utility model provides a fuel filter of fixed filter paper, includes shell, its characterized in that: the enclosure component upper end is provided with... 
MECHANICAL ENGINEERING | WEAPONS | BLASTING | COMBUSTION ENGINES | SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF | HEATING | LIGHTING | HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patent
02/2016
The utility model provides a fuel filter with valve drains, includes shell, its characterized in that: the enclosure component upper end is provided with... 
MECHANICAL ENGINEERING | WEAPONS | BLASTING | COMBUSTION ENGINES | SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF | HEATING | LIGHTING | HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patent
02/2016
The utility model provides a non return fuel filter, includes shell, its characterized in that: the enclosure component upper end is provided with thread cover... 
MECHANICAL ENGINEERING | WEAPONS | BLASTING | COMBUSTION ENGINES | SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF | HEATING | LIGHTING | HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patent
02/2016
The utility model provides a filter that pollution abatement got into, includes shell, its characterized in that: the enclosure component upper end is provided... 
MECHANICAL ENGINEERING | WEAPONS | BLASTING | COMBUSTION ENGINES | SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF | HEATING | LIGHTING | HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patent
02/2016
The utility model provides an oil filter, includes shell, its characterized in that: the enclosure component upper end is provided with thread cover plate, the... 
MECHANICAL ENGINEERING | LUBRICATING OF MACHINES OR ENGINES IN GENERAL | WEAPONS | BLASTING | ENGINE PLANTS IN GENERAL | HEATING | LIGHTING | STEAM ENGINES | LUBRICATING INTERNAL COMBUSTION ENGINES | CRANKCASE VENTILATING | MACHINES OR ENGINES IN GENERAL
Patent
02/2016
The utility model provides a filter element of oil filter, includes filter paper and center tube, its characterized in that: filter paper is wrapping up the... 
MECHANICAL ENGINEERING | LUBRICATING OF MACHINES OR ENGINES IN GENERAL | WEAPONS | BLASTING | ENGINE PLANTS IN GENERAL | HEATING | LIGHTING | STEAM ENGINES | LUBRICATING INTERNAL COMBUSTION ENGINES | CRANKCASE VENTILATING | MACHINES OR ENGINES IN GENERAL
Patent
02/2016
The utility model provides an oil cleaner with check valve, includes shell, its characterized in that: the enclosure component upper end is provided with... 
MECHANICAL ENGINEERING | LUBRICATING OF MACHINES OR ENGINES IN GENERAL | WEAPONS | BLASTING | ENGINE PLANTS IN GENERAL | HEATING | LIGHTING | STEAM ENGINES | LUBRICATING INTERNAL COMBUSTION ENGINES | CRANKCASE VENTILATING | MACHINES OR ENGINES IN GENERAL
Patent
02/2016
The utility model provides a fuel filter, includes shell, its characterized in that: the enclosure component upper end is provided with thread cover plate, the... 
MECHANICAL ENGINEERING | WEAPONS | BLASTING | COMBUSTION ENGINES | SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF | HEATING | LIGHTING | HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patent
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