http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-104261836-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2235-3804 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2235-656 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2235-3244 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B38-02 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B28-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B14-32 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B35-58 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B35-622 |
| filingDate | 2014-09-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2015-11-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2015-11-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-104261836-B |
| titleOfInvention | Zirconium boride ceramic microballon prepares the method for high temperature high voltage resistant oil well cementing test block |
| abstract | The invention provides the method that zirconium boride ceramic microballon prepares the test block of high temperature high voltage resistant oil well cementing, comprise the preparation of zirconium boride 99.5004323A8ure closed pore hollow ceramic microspheres, batching, mixing, stirring sized mixing, die trial, performance test, be the zirconium boride 99.5004323A8ure closed pore hollow ceramic microspheres 25 ~ 35wt% of 5 ~ 50 μm, the flyash 5 ~ 7wt% of loss on ignition 1.1%, purity 99.9% calcium oxide 1.5 ~ 2wt%, sodium sulfate 0.5 ~ 1.0wt% and micro-silicon 1 ~ 3wt% by G level oil well cement 55 ~ 65wt%, particle diameter; With 0.5 ~ 0.7(W/C) water cement ratio stir in stirrer and size mixing 40 seconds, pour one group of two pieces of die trial into, the length 53mm*53mm*53mm respectively of die trial, maintenance 24 hours, 48 hours in the water-bath maintaining box of constant temperature 52 ° of C, soak 1 hour in cold water after the demoulding, testing performance index. |
| priorityDate | 2014-09-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 55.