X
Search Filters
Format Format
Subjects Subjects
Subjects Subjects
X
Sort by Item Count (A-Z)
Filter by Count
performing operations (33) 33
transporting (33) 33
physics (31) 31
fixed constructions (22) 22
chemistry (20) 20
metallurgy (20) 20
文学作品 (19) 19
measuring (18) 18
mechanical engineering (18) 18
testing (18) 18
诗词 (18) 18
blasting (17) 17
heating (17) 17
lighting (17) 17
weapons (17) 17
human necessities (16) 16
中国 (16) 16
文学 (14) 14
building (13) 13
electricity (12) 12
building materials (8) 8
investigating or analysing materials by determining theirchemical or physical properties (8) 8
structural elements (8) 8
南京大屠杀 (8) 8
天然橡胶 (8) 8
阅读知识 (8) 8
conveying (7) 7
handling thin or filamentary material (7) 7
packing (7) 7
storing (7) 7
孩子 (7) 7
当代作品 (7) 7
橡胶 (7) 7
社会主义 (7) 7
老师 (7) 7
诗集 (7) 7
课外阅读 (7) 7
agriculture (6) 6
animal husbandry (6) 6
basic electric elements (6) 6
engineering elements and units (6) 6
fishing (6) 6
forestry (6) 6
general measures for producing and maintaining effectivefunctioning of machines or installations (6) 6
hunting (6) 6
physical or chemical processes or apparatus in general (6) 6
thermal insulation in general (6) 6
trapping (6) 6
印度 (6) 6
当代文学 (6) 6
活着 (6) 6
资本主义制度 (6) 6
earth drilling (5) 5
earth drilling, e.g. deep drilling (5) 5
finishing work on buildings, e.g. stairs, floors (5) 5
foods or foodstuffs (5) 5
hygiene (5) 5
mechanical metal-working without essentially removingmaterial (5) 5
medical or veterinary science (5) 5
mining (5) 5
nuclear engineering (5) 5
nuclear physics (5) 5
obtaining oil, gas, water, soluble or meltable materials or aslurry of minerals from wells (5) 5
positive displacement machines for liquids (5) 5
pumps for liquids or elastic fluids (5) 5
punching metal (5) 5
separation (5) 5
their treatment, not covered by other classes (5) 5
treatment of water, waste water, sewage, or sludge (5) 5
朋友 (5) 5
现代文学 (5) 5
语文学习 (5) 5
artificial stone (4) 4
building implements or other building aids, or theiruse (4) 4
calculating (4) 4
ceilings (4) 4
cements (4) 4
ceramics (4) 4
compositions based thereon (4) 4
compositions of macromolecular compounds (4) 4
compositions thereof, e.g. mortars, concrete or like buildingmaterials (4) 4
computing (4) 4
concrete (4) 4
counting (4) 4
electric communication technique (4) 4
electric digital data processing (4) 4
floors (4) 4
forms (4) 4
general building constructions (4) 4
general tagging of cross-sectional technologies spanning over several sections of the ipc (4) 4
general tagging of new technological developments (4) 4
handling building materials on the site (4) 4
index medicus (4) 4
inorganic chemistry (4) 4
insulation or other protection of buildings (4) 4
layered products (4) 4
layered products, i.e. products built-up of strata of flat ornon-flat, e.g. cellular or honeycomb, form (4) 4
lime, magnesia (4) 4
machine tools (4) 4
measuring electric variables (4) 4
more...
Language Language
Publication Date Publication Date
Click on a bar to filter by decade
Slide to change publication date range


11/2018
The invention discloses a computer case. The computer case comprises a shell and a first mainboard contained on the shell; the shell is provided with a... 
COMPUTING | COUNTING | PHYSICS | ELECTRIC DIGITAL DATA PROCESSING | CALCULATING
Patent
11/2018
The utility model discloses a wood wood skin composite waterproof floor, the liquor RFID electronic label comprises a substrate layer, the substrate is... 
TRANSPORTING | BUILDING | FIXED CONSTRUCTIONS | LAYERED PRODUCTS | FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS | PERFORMING OPERATIONS | LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
Patent
11/2018
The invention provides a speed sensor for a bullet train, and the speed sensor comprises a housing, a wiring terminal, a cold-pressed terminal, a connection... 
TESTING | MEASURING | PHYSICS | INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT | MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK
Patent
11/2018
The invention provides a novel compactly-arranged small reactor primary-circuit main equipment structure. The novel compactly-arranged small reactor... 
NUCLEAR PHYSICS | NUCLEAR ENGINEERING | PHYSICS | NUCLEAR REACTORS
Patent
11/2018
The invention discloses a preparation method and application of a MnO/C positive electrode electrocatalyst. A cheap and easily available carbon material is... 
METALLURGY | BASIC ELECTRIC ELEMENTS | CHEMISTRY | TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE | ELECTRICITY | PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
Patent
11/2018
The utility model relates to an use intelligent gas sampling robot in pit, including automobile body and push pedal, the automobile body middle part is... 
TRANSPORTING | HAND TOOLS | TESTING | PORTABLE POWER-DRIVEN TOOLS | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES | MEASURING | MANIPULATORS | PHYSICS | CHAMBERS PROVIDED WITH MANIPULATION DEVICES | PERFORMING OPERATIONS
Patent
11/2018
The invention discloses a grain spoilage fast detection method and a detector thereof. According to the detection method, a same grain sample is treated... 
TESTING | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES | MEASURING | PHYSICS
Patent
10/2018
The invention discloses an apparatus for realizing coupling repeatability of an ultrasonic energy transducer and a solid. The apparatus comprises a base plate,... 
TESTING | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES | MEASURING | PHYSICS
Patent
10/2018
The invention discloses a silicon carbide product with high Sialon phase and a preparation method thereof. The method comprises the following steps: premixing... 
REFRACTORIES | LIME, MAGNESIA | METALLURGY | CHEMISTRY | SLAG | COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS | ARTIFICIAL STONE | TREATMENT OF NATURAL STONE | CEMENTS | CONCRETE | CERAMICS
Patent
09/2018
The invention relates to a machining method of a low-pressure compressor casing. The method comprises the following steps that 1, a blank is inspected; 2, a... 
TRANSPORTING | MACHINE TOOLS | METAL-WORKING NOT OTHERWISE PROVIDED FOR | OTHER WORKING OF METAL | COMBINED OPERATIONS | UNIVERSAL MACHINE TOOLS | PERFORMING OPERATIONS
Patent
08/2018
The invention relates to an ultrasonic vibration drainage plate for a vacuum preloading reinforced ultra-soft soil foundation and aims at being used for a... 
HYDRAULIC ENGINEERING | SOIL SHIFTING | UNDERGROUND OR UNDERWATER STRUCTURES | FIXED CONSTRUCTIONS | EMBANKMENTS | FOUNDATIONS | EXCAVATIONS
Patent
08/2018
The utility model discloses a manometer is pressed with having getting of anticorrosive function to oil -water well teletransmission, including casing and... 
EARTH DRILLING, e.g. DEEP DRILLING | FIXED CONSTRUCTIONS | EARTH DRILLING | OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS | MINING
Patent
08/2018
The utility model discloses a high -voltage inverter protection device, including high -voltage inverter, high -voltage motor protection device and under... 
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER | EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS | GENERATION | ELECTRICITY
Patent
08/2018
The invention discloses a cooling ointment. The cooling ointment comprises the following components: peppermint oil, eucalyptus oil, citronella oil, a... 
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS | HYGIENE | SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS | PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES | MEDICAL OR VETERINARY SCIENCE | HUMAN NECESSITIES
Patent
No results were found for your search.

Cannot display more than 1000 results, please narrow the terms of your search.