CN112206900A Sample grinder for molecular biology
At present, at the in-process of carrying out the molecular biology experiment, need grind molecular biology, make things convenient for the experiment to use, but current grinder still has certain weak point, it grinds directly placing the molecular biology in the grinding vessel usually, the grinding in-process, need constantly stir the material in the grinding vessel, prevent that the ...
United States Patent 4 314 525 et al 8
United States Patent 191 111 4,314,525 Hsu et al. 451 Feb. 8, I982 ... ized reactor by thermal decomposition of a silicon con- taining gas. The thermally produced silicon seed parti- ... herent in crushing and grinding processes, but it also presents significant problems of its own. This process
Molecular decomposition process for the synthesis of
Molecular decomposition process for the synthesis of nanosize ceramic and metallic powders . United States Patent 6803027 . Abstract A process is disclosed for forming a nanosize ceramic powder. A precursor ceramic material is formed of a fugitive constituent and a
Patents Assigned to The Dow Chemical Company Justia
Grinding process for high viscosity cellulose ethers Patent number 4820813 Abstract High viscosity cellulose ether products are produced by grinding a substantially dry high molecular weight cellulose ether under conditions of mild mechanical impact such as
US Patent Application for Surface preparation of natural
Apr 23, 2007 The grinding process can be done by any method known to the person skilled in the art. These techniques include jet milling, air milling, ball milling, etc. The purification step by thermal means can be accomplished by conventional means, i.e., in a furnace and at a sufficiently high temperature to allow the vaporisation of all impurities ...
Process for preparing chemical paper pulps by cooking
A process of preparing new chemical paper pulps wherein a first cooking stage is effected in the presence of sodium hydroxide and advantageously adjuvants, after which an intermediate grinding is effected and followed by a second cooking stage characterized in that the second cooking stage is performed in the presence of a peroxide alkaline solution containing a peroxide stabilizing agent.
The method of decomposition of fluorapatite
At the first stage wet-process phosphoric acid with the concentration 62-65% of P 2 O 5 is fed and process is carried out at recycle index 1(0.3-0.5) up to decomposition degree of calcium-containing raw 0.89-0.92 at this stage. The second stage is combined with granulation and carried out its in high-speed mixer in water addition to obtain ...
Patent Review of Manufacturing Routes to Recently
Aug 09, 2017 Olaparib, rucaparib, and niraparib are three inhibitors of poly(ADP-ribose) polymerase (PARP) enzymes that have been recently approved for the treatment of ovarian cancer. The current article reviews the patent and journal literature regarding synthetic
Performance and Accountability Report US Chemical
Watson Grinding Massive Explosion and Fire (Houston, TX) ... Bio Lab Chemical Decomposition (Conyers, GA) On Monday September 14, 2020, ... event, a fire occurred during a repair to a process unit. Two contractors were fatally injured as a result of the incident.
Internal Cylindrical Grinding Process of INCONEL174 Alloy
The development of modern jet engines would not be possible without dynamically developed nickelchromium-based superalloys, such as INCONEL The effective abrasive machining of above materials brings with it many problems and challenges, such as intensive clogging of the grinding wheel active surface (GWAS). This extremely unfavorable effect causes a reduction in the cutting ability of
Advances and approaches for chemical recycling of plastic
Apr 20, 2020 Their patented process employs initial thermal decomposition of any polyurethane present in the material. This is achieved by heating the waste at a temperature of 150200 C for up to 24 hr. Temperature control allows selective decomposition of less thermally stable fibers while leaving the polyamide fibers intact.
Titanium Dioxide NETZSCH Grinding amp Dispersing
The s-Jet System (patent pending) is a new innovation in a line of consistent developments being made in the area of air jet milling. Final finenesses in the submicron range (example d 50 0.2 m) can now be achieved with fluidized bed jet mills. As opposed to conventional dry grinding processes with fluidized bed jet mills, the s-Jet System uses superheated steam as its milling gas.
Hexachloroethane Cl3CCCl3 PubChem
Hexachloroethane is a crystalline, colorless, toxic, solid chlorinated hydrocarbon with a camphor-like odor and emits toxic and irritating fumes when heated to decomposition.Hexachloroethane was used as an anthelmintic to treat fascioliasis in cattle and sheep, in refining aluminum alloys, in smoke bombs and pyrotechnic and as a degassing agent and polymer additive.
Process for pyrdyzing oilshale Patent OSTIGOV
Abstract. Disclosed is a process for converting solid carbonaceous material, such as oil-shale, to a discriminate range of liquid and gaseous products, which process includes treating the carbonaceous material with an inert gas, at relatively short gas and long solids residence times in two or more temperature zones.
United States Patent 4 444 811
FOREIGN PATENT DOCUMENTS 613772 1/1961 Canada ... 571 ABSTRACI A process and apparatus for thermally decomposing silicon containing gas for deposition on fluidized nucle- ating silicon seed particles i$ disclosed. Silicon seed particles are produced in a secondary fluid- ized reactor by thermal decomposition of a silicon con- taining gas. ...
US Patent Application for METHOD FOR THERMAL DECOMPOSITION
The subject of the invention is a method for thermal decomposition of plastic waste and/or biomass and an installation for the process. Among various processes of utilization of plastic waste, pyrolysis processes are considered the most desirable as they lead to obtaining useful chemical substances such as pyrolytic gases and oils, as well as production of heat.
Simulation of toluene decomposition in a pulseperiodic
May 15, 2012 articleosti_22047400, title Simulation of toluene decomposition in a pulse-periodic discharge operating in a mixture of molecular nitrogen and oxygen, author Trushkin, A N and Kochetov, I V, abstractNote The kinetic model of toluene decomposition in nonequilibrium low-temperature plasma generated by a pulse-periodic discharge operating in a mixture of nitrogen
12 LABORATORY SAMPLE PREPARATION
Table 12.1 lists some commonly analyzed radioisotopes, their volatile chemical form, and the boiling point of that species at standard pressure. Note that the boiling point may vary depending upon solution, matrix, etc. Often the moisture content, and thus, the chemical composition of a solid is altered during grinding and crushing (Dean, 1995).
Minerals Free FullText Effect of Grinding on
The mechano-chemical treatment of chrysotile with a planetary ball mill was later applied by Inoue et al. , demonstrating how chrysotile was completely converted into non-fibrous amorphous material after 24 h of grinding.The so-called high-energy milling (HEM) has recently been demonstrated to be capable of ensuring amorphization of asbestos-containing waste (ACW) 40,41.
State of the Art of Hydrogen Production via Pyrolysis of
Aug 12, 2020 The process concepts for methane pyrolysis can be divided into three categories (i) thermal decomposition, (ii) plasma decomposition, and (iii) catalytic decomposition. The process overview (see Tab. 1) shows that plasma processes for the production of carbon black from natural gas have been realized on industrial scale (e.g., Kvaerner process ...
Thermal decomposition of different types of asbestos
Feb 19, 2012 SEM images of natural asbestos, material obtained after DTA analysis, without grinding treatment and after crush in hand mortar are presented on Figs. 15, 16, and 17. Even for amosite asbestos, where decomposition process was only initiated, obtained material was brittle and fragile.
Special Aspects of Electrodeposition on Zinc Die Castings
Mar 19, 2018 Electroplating is a frequent choice to give zinc die cast components a high-quality protective and decorative surface finish, however, applying this kind of treatment for die cast zinc components presents hidden challenges. In order to overcome these issues, a thorough morphology and composition analysis of die cast items was conducted. Special aspects of zinc die cast as a plating
Diacetone acrylamide C9H15NO2 PubChem
A fire in your laboratory involving this chemical should be extinguished with a dry chemical, carbon dioxide or halon extinguisher. (NTP, 1992) (NTP, 1992) National Toxicology Program, Institute of Environmental Health Sciences, National Institutes of Health (NTP). 1992.
Molecular engineering of porous silica using aryl
Jan 01, 1994 articleosti_869355, title Molecular engineering of porous silica using aryl templates, author Loy, Douglas A and Shea, Kenneth J, abstractNote A process for manipulating the porosity of silica using a series of organic template groups covalently incorporated into the silicate matrix. The templates in the bridged polysilsesquioxanes are selectively removed from the material by ...
United States Patent 4 314 525 et al 8
A process and apparatus for thermally decomposing silicon containing gas for deposition on fluidized nucle- ating silicon seed particles is disclosed. 731 Assignee California Institute of TechnoloW, Pasadena, Calif. Silicon seed particles are produced in a secondary fluid- ized reactor by thermal decomposition of a silicon con- taining gas.
Process for making gallium arsenide or phosphide Wacker
6. The process according to claim 2 wherein in the second and each subsequent grinding step, the product is ground to an average particle size of less than 2 . 7. The process of claim 1 in which the grinding step is performed under a blanket of an inert gas.
Process for bulk dyeing high molecular organic compounds
Process for bulk dyeing high molecular organic compounds, by using anthrapyrimidines of the formula SPC1 As dyestuffs, wherein R denotes a hydrogen atom, an alkyl group or an aromatic radical, one X denotes an arylamino group, or a phenylthio group which is optionally substituted by 1-2 halogen atoms or alkyl groups containing 1-4 carbon atoms, and the other X denotes hydrogen atoms, and X ...
US Patent for Grinding wheel containing dissolvable
A grinding wheel for use in precision wet grinding which involves the use of a water soluble based coolant. The grinding wheel includes a mix of at least an abrasive and a resin and also an effective amount of a relatively coarse granular water soluble material. Such material is inert to the other components of the mix and achieves a relatively neutral or slight alkaline pH in water solution.
Patents amp Inventions Industrial Bioproduct Lab Western
Patents amp Inventions Patents 10. Paleologou M, Ahmad Z, Xu C. Lignin depolymerization process using chemicals recoverable by the kraft recovery cycle. US provisional Patent filed 9 May 2017, File 62/503376. Licensed to FPInnovations 9. Xu C, Yuan Z, Mahmood N. Ferdosian F, Li B, Schmidt J, Paleologou M. Depolymerization of lignin for the ...
Pharmaceutical growth hormone formulations Eli Lilly and
Jul 06, 1992 a Weight ratio of human growth hormoneglycinemannitol b only one of two samples assayed . As can be clearly seen from the data shown in Table I, the formulation containing human growth hormone, glycine and mannitol in a weight ratio of 115, respectively exhibited less decomposition and aggregation at days 14 and 30 than the formulations lacking either or both of
Microdialysis unit for molecular weight separation Patent
Jan 01, 1999 In order to process high quality fibers and other articles possessing good mechanical properties, it is known that solution concentrations of the chosen polymer should be in the range from 15-30% (w/w). Moreover, it is desirable to use the highest molecular weight consistent with the solubility properties of the polymer.
FoodCycler How it Works
Grinding is the second and longest part of the cycle. The agitator turns faster than during the Drying phase to pulverize the food waste, while continuing the dehydration process via heating/aeration. ... by the FoodCyclers operations are similar to the CO2 produced by backyard compost piles during the natural decomposition process - and in ...
Hydrogen Peroxide and Sugar CIA
decomposition is dependent on the temperature and concentration of the peroxide, as well as ... the variable and raw material costs for the anthraquinone process are low, says chemical engineer Erik Bengtsson. The variable cost of production (raw materials, electricity and steam consumption) in modern ... Patent 6,685,818 Process for the ...
Turbine Blade Fixture for Inspection and Grinding
CONCEPT GENERATION A functional decomposition was done in order to determine sub functions ... allows for inspection by laser scanner and modification through a grinding process. This fixture should ... Picture of turbine blade fixture from patent 4829720 showing the horizontal mount.
Recycling of biopolymers The patent perspective
May 01, 2019 Indicative patents of the alcoholysis of PLA are the two early patents US5264614 A (1993) and US5264617 A (1993) of DU PONT (see Table 6) the preferred alcohol is n-butanol. The disclosed processes enable to achieve a yield close to 95%, but this involves performing a great number of steps (esterification followed by distillation, these steps ...
Intellectual Property Patents and Trademarks SilcoTek
Patents. The following patents, along with numerous pending patent applications in various countries, cover SilcoTek products and/or processes. United States Patent No. 7,070,833, entitled METHOD FOR CHEMICAL VAPOR DEPOSITION OF SILICON ON TO SUBSTRATES FOR USE IN CORROSIVE AND VACUUM ENVIRONMENTS. United States Patent No. 7,867,627, entitled PROCESS FOR
Chapter 1 The Decomposition Process EarthKind
The process of decomposition the breakdown of raw organic materials to a finished compost is a gradual complex process, one in which both chemical and biological processes must occur in order for organic matter to change into compost. ... restart the process. Particle Size. Grinding the organic material before composting greatly reduces ...
Apr 08, 2021 Wacker Polysilicon Chemical Release . Location Charleston, TN Incident Occurred On 11/13/2020 On Friday November 13, 2020, at approximately 1004 a.m. EST, seven workers were exposed to a release of hydrochloric acid during a maintenance activity at the full Investigation details
Chemical Vapour Deposition SlideShare
Mar 13, 2016 Chemical Vapour Deposition 1. CHEMICAL VAPOUR DEPOSITION Vijitha I. JRF, CSIR-NIIST 2. Background The formation of soot due to incomplete oxidation of firewood since prehistoric times is probably the oldest example of deposition using CVD. Patent literature by de Lodyguine in 1893 on the deposition of W onto carbon lamp filaments through the reduction of WCl6
Eggshells Decomposition Study Garden Myths
But grinding would not produce the results I am looking for a visual display of the intact shell. Reply. Deanna says October 25, 2018 at 800 pm ... We grind our eggshells into a powder and add them to worm bins. I suspect this speeds up the decomposition process significantly, especially after the particles pass through a worm several ...