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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 33. Отображено 33.
18-11-2009 дата публикации

Method for preparing arginine

Номер: CN0101580483A
Принадлежит:

The invention relates to a method for preparing arginine, which is mainly used for preparing the arginine. The preparation method mainly comprises that: a hydrolysis assistant is added, and hair is hydrolyzed by a multi-step hydrolysis method to improve the hydrolysis yield of the arginine; after the hydrolysis of the arginine, multi-step refinement and neutralization method is avoided and a one-step refinement, neutralization and decolorization method is applied to purify the arginine product quickly and accurately; after the extraction of the arginine product, a 80 DEG C multi-pass drying process is avoided, and a 180 DEG C one-step continuous feeding and discharging process is adopted to dry the product so as to save energy and improve production efficiency; and the dried product is detected, packaged and put in storage. The preparation method has the advantages of advanced processes, simple and convenient operation, and high service efficiency of raw materials; and the prepared arginine ...

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13-10-2010 дата публикации

Method for preparing carbon nanotubes

Номер: CN0101857219A
Принадлежит:

The invention relates to a method for preparing carbon nanotubes. The method is mainly used for preparing the carbon nanotubes and comprises the following steps of: distributing a nano-catalyst on the top and lateral part of a vacuum groove; controlling the temperature and the pressure of the vacuum groove; allowing C2H2 serving as a raw material to enter the vacuum groove at a certain flow rate to perform decomposition to produce the carbon nanotubes under the action of the nano-catalyst; when the reaction time reaches a set value, cooling the vacuum groove with purified air until the temperature is decreased to 30 to 45 DEG C; taking the produced carbon nanotubes out of the bottom of the vacuum groove and feeding the carbon nanotubes into a collector; and discharging the reaction exhaust from a door of the vacuum groove to prepare the carbon nanotubes of which the tube diameter is uniform, the shape is regular, the purity is over 96 percent, the external diameter is 1 to 3nm, the internal ...

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04-11-2009 дата публикации

Method for preparing asphalt-based carbon fiber

Номер: CN0101570904A
Принадлежит:

The invention relates to a method for preparing asphalt-based carbon fiber, which is mainly used for preparing the asphalt-based carbon fiber. The preparation method is mainly to add synthetic agents in the polycondensation process to synthesize a great deal of isotropical asphalt with proper softening point (between 230 and 240 DEG C) and good spinnability, and prepare the general asphalt-based carbon fiber (GPCF, the tensile strength of the GPCF is between 0.8 and 1.2 GPa, and the modulus of the GPCF is between 40 and 50 kg.f/mm) after spinning the isotropical asphalt through a spinning machine, curing the isotropical asphalt at the temperature of 300 DEG C, performing low-temperature carbonization on the of the isotropical asphalt at the temperature of 700 DEG C and performing high-temperature graphitization on the isotropical asphalt at the temperature of 2,800 DEG C. Moreover, the method adopts composite materials to perform surface modification and electrochemical treatment on the ...

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04-11-2009 дата публикации

Method for preparing cathode materials of power lithium ion secondary batteries

Номер: CN0101572302A
Принадлежит:

The invention relates to a method for preparing cathode materials of power lithium ion secondary batteries, which is mainly used for preparing the cathode materials of the power lithium ion secondary batteries. The preparation method mainly comprises the following steps: adopting phenol-formaldehyde resin as a raw material, adding a certain proportion of additive, placing the mixture into a carbonization furnace for carbonization in the vacuum state at the temperature of between 600 and 800 DEG C, using a crushing and classifying machine to crush and classify the obtained pyrolytic carbon after carbonization, using a certain proportion of coating agent to coat the obtained materials with the particle diameter of between 5 and 30 mu m, crosslinking the coating agent on the surface of the pyrolytic carbon at the temperature of 300 DEG C to form a coated shell, and preparing the cathode materials of the power lithium ion secondary batteries after performing carbonization on the coated materials ...

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17-11-2004 дата публикации

热缩聚釜装置

Номер: CN0001546216A
Автор: LENG LIANG, LIANG LENG, 冷 亮
Принадлежит:

The invention is a kind of hot shrinkage kettle-gathering device which belongs to chemical field. The invention is mainly used in the production of middle phase tar carbon mircoballoons. It is made up of a cover and a kettle body, there sets a material pump, heating cover and material inlet and gas-pressure meter on one side of the kettle shell. The other side of the cover has thermojunction, heating cover and pressure gas-driven adjusting valve, a conversion electric machine is set on the middle top of the cover, and which is connected with the stirring blade, there sets a heating controller and fan device on one side of the body, a heating pipe and a gas-driven valve also connect with the body. The invention has a high automation.

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04-11-2009 дата публикации

Method for preparing high-performance synthetic photodegradative antibacterial plastics

Номер: CN0101570608A
Принадлежит:

The invention relates to a method for preparing high-performance synthetic photodegradative antibacterial plastics, which is mainly used for preparing the high-performance synthetic photodegradative antibacterial plastics. The preparation method comprises the following steps: adopting inorganic calcium carbonate nano particles as a carrier and mixing the inorganic calcium carbonate nano particles and an antibacterial agent under the action of a surface coating agent to prepare inorganic nano antibacterial master batch, fusing and mixing a photodegradative agent, the prepared antibacterial master batch, olefin raw materials, a solubilizer, a plasticizer, a crosslinking agent and a dispersant in a double screw machine in proportion at the temperature of between 170 and 180 DEG C, introducing the photodegradative agent into trunk chains of the olefin raw materials, and preparing the high-performance synthetic photodegradative antibacterial plastics after cooling and granulation. The density ...

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04-11-2009 дата публикации

Method for preparing heat-resistant and salt-resistant composite flower soil

Номер: CN0101569282A
Принадлежит:

The invention relates to a method for preparing heat-resistant and salt-resistant composite flower soil, which is mainly used for preparing the heat-resistant and salt-resistant composite flower soil. The preparation method mainly comprises the following steps: mixing inorganic materials calcium carbonate with sodium soil, a crosslinking agent and a pH regulator in proportion to obtain modified inorganic materials, adopting HPAM (hydrolyzed polyacrylamide) to be mixed with a crosslinking accelerant and an auxiliary agent in proportion to form coating polymers, mixing the modified inorganic materials with the coating polymers in proportion, stirring the mixture for 30 minutes, drying the mixture for 2 hours at the constant temperature of 120 DEG C, subsequently using a crusher to crush the dried materials, crushing the materials until the particle diameter is between 40 and 100 mu m as required, and performing warehouse entry on the obtained products after detection and packaging. The pore ...

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21-05-2008 дата публикации

Easy high-performance solar water heater juice level indicator

Номер: CN0101183022A
Автор: LENG LIANG, LIANG LENG
Принадлежит:

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04-11-2009 дата публикации

Method for preparing methyl carhamate

Номер: CN0101570499A
Принадлежит:

The invention relates to a method for preparing methyl carhamate, which is mainly used for preparing the methyl carhamate. The preparation method mainly comprises the following steps: taking urea and methanol as raw materials, mixing a catalyst which has no corrosiveness on equipment and can be dissolved in the methanol, and a solvent with high boiling point in proportion, placing the mixture into a reaction kettle, performing synthesis reaction on the mixture for 8 hours in the reaction kettle at the temperature of between 130 and 160 DEG C and under the pressure of 0 MPa, synthesizing coarse products of methyl carhamate after reaction, obtaining semifinished products of methyl carhamate after performing distillation on the coarse products of methyl carhamate in an atmospheric distillation tower, removing light fractions, and performing centrifugal separation on the obtained products in a centrifuge, and obtaining pure products of methyl carhamate with the content of between 99.4 and 99.8 ...

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27-08-2008 дата публикации

Calcium orthophosphate bone cement/PLGA /brizolina natrium compound material and method of preparing the same

Номер: CN0101249281A
Принадлежит:

The invention discloses a calcium phosphate cement virgule PLGA virgule cefazolin sodium composite material and a preparation method thereof. The method uses dry ball milling to mix calcium phosphate cement and polyglycolic-polyactic acid, dissolves antibiotics into deionized water to prepare distiller liquor, mixes the antibiotics and the deionized water according to the set solid-liquid ratio, and forms artificial bone activity material, namely calcium phosphate cement virgule PLGA virgule cefazolin sodium composite. The method solves the problem of low strength of bone cement loading with a large quality of antibiotics effectively, improves the biological compatibility, degradability, and degradation tunability of polyglycolicacid, and acheives the aim of controlling medical release and the growth of the induced bone after polyglycolic acid degradation.

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04-11-2009 дата публикации

Method for preparing modified natural graphite nodules

Номер: CN0101570330A
Принадлежит:

The invention relates to a method for preparing modified natural graphite nodules, which is mainly used for preparing the modified natural graphite nodules. The preparation method mainly comprises the following steps: adopting a solvent, dissolving treated asphalt in the solvent in proportion to form a mixed solution, adding natural graphite nodules and the mixed solution into a reaction kettle according to certain proportion, maintaining the product at the temperature of between 60 and 70 DEG C for 3 to 4 hours, using a horizontal separator to separate solid and liquid, drying the obtained solid materials, using a crushing and classifying machine to crush the obtained solid materials, classifying materials with the particle diameter between 5 and 30 mu m, and preparing the finished products after performing curing, carbonization and graphitization treatment at a high temperature of 2,800 DEG C on the classified materials. The reversible capacity of the prepared modified natural graphite ...

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04-11-2009 дата публикации

Method for preparing superfine silica gel powder with high adsorptive value and adjustable pore volume

Номер: CN0101569850A
Принадлежит:

The invention relates to a method for preparing superfine silica gel powder with high adsorptive value and adjustable pore volume, which is mainly used for preparing the superfine silica gel powder with high adsorptive value and adjustable pore volume. The preparation method mainly comprises the following steps: adopting a sulfuric acid solution and a sodium silicate solution as raw materials, adding an auxiliary agent into the sulfuric acid solution and the sodium silicate solution respectively, granulating the obtained product into gel particles after synthesis reaction, placing the gel particles into an aging tank, adding an aging agent for aging, adopting an acid modifier to perform acid treatment on the gel particles, and preparing the superfine silica gel powder with high adsorptive value and adjustable pore volume after the processes of washing, drying, crushing and classifying. The average pore diameter of the prepared superfine silica gel powder with high adsorptive value and adjustable ...

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19-05-2010 дата публикации

Automatic control acid preparation device for producing silica gel

Номер: CN0101708855A
Автор: Leng Liang
Принадлежит:

The invention discloses an automatic control acid preparation device for producing silica gel, which is mainly used for acid preparation in the production of silica gel products. The acid preparation device mainly comprises a control part and an acid preparation jar part, wherein the control part consists of a power plug, a power supply cord, a PLC control system, a connecting wire, a water inlet valve electromagnetic vale, an acid discharge valve electromagnetic valve, an acid inlet valve electromagnetic valve, a stirring motor, a stirrer connecting rod and a stirring paddle; and the acid preparation jar part consists of an acid preparation jar, a water inlet tube, an acid inlet tube, an acid discharge tube and a motor bracket. The device has the main advantages of simple structure, high sensitivity and capacity of controlling an acid preparation process in real time, and meets the requirements of silica gel producers on the safety and high efficiency of the acid preparation process.

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19-09-2007 дата публикации

Remote control device for switching lamp

Номер: CN0101039541A
Автор: LENG LIANG, LIANG LENG
Принадлежит:

A remote control device of a switch electric light pertains to an automatic device to remotely control the switch electric light, mainly used for a remote switch of indoor lights. It is maily composed of two parts: a remote controller and an induction controller; wherein the remote controlis installed with operation buttons and a radiation head; the induction controller is installed within a rectifier, a controller chip, a lighting signal receiving head, a light-closing signal receiving head, a current limiting resistor, and a switch triode; and the induction controller composes a circuit with the firewire, the ground wire, and a lamp. The main advantages of this device is a simple structure, convenient and reliable operation, and convenient to remotely control the open and close of the electric light.

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13-10-2010 дата публикации

Method for preparing C/C composite material

Номер: CN0101857456A
Принадлежит:

The invention relates to a method for preparing a C/C composite material, which is mainly used for preparation of the C/C composite material. The method mainly comprises the following steps of: rinsing a carbon fiber felt serving as a raw material by using purified water, drying the carbon fiber felt, then placing the carbon fiber felt into a vacuum generator, performing infiltration on the carbon fiber felt skeleton by using CH3ArCH2NH2 as a precursor in the vacuum generator, thermally treating the infiltrated carbon fiber felt at a high temperature, performing pyrolysis on the carbon fiber felt at the high temperature to form pyrolysis carbon infiltrating into the carbon fiber felt skeleton material and deposited on the surface of the carbon fiber, then soaking the carbon fiber felt into o/m-xylene series compound solution, and performing carbonization and graphitization treatment on the soaked material to obtain the C/C composite material. The tensile strength of the prepared C/C composite ...

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03-09-2008 дата публикации

Lithium-zinc ferrite electromagnetic wave absorption material and preparation method thereof

Номер: CN0101255052A
Принадлежит:

The invention discloses an electromagnetic wave absorbing material of lithium-zinc ferrite, including chemical elements of lithium, zinc, iron, magnesium, yttrium and oxygen at a stoichiometric ratio, lithium: zinc: iron: magnesium: yttrium: oxygen of 0.35:0.3:2.35:0.0054: 0.0048-0.0097:4. The preparation method of electromagnetic wave absorbing material includes: preparing nitrate mixture solutions of each elements according to the ferrite stoichiometric ratio; mixing a citric acid solution with ammonia to form a gel network forming agent and producing a corresponding ferrite dry gel with sol-gel method; making a heat treatment to the dry gel with a certain heating rate and at a calcination temperature; obtaining a corresponding magnesium-and-yttrium-doped lithium-zinc ferrite material. The magnesium-and-yttrium-doped lithium-zinc ferrite micron material has an excellent wave-absorbing performance at a low frequency between 0.5 GHz and 3 GHz and the required raw materials are low in cost ...

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04-11-2009 дата публикации

Method for preparing chloroparaffin with high softening point

Номер: CN0101570464A
Принадлежит:

The invention relates to a method for preparing chloroparaffin with high softening point, which is mainly used for preparing the chloroparaffin with high softening point. The preparation method mainly comprises the following steps: adopting paraffin wax and chlorine liquid as raw materials, adding the raw materials into a reaction kettle according to the proportion of 5:4, heating the reaction kettle to the temperature of 150 DEG C, adding ketone oxide into the kettle in proportion, performing reaction on the mixture for 1.5 hours, catalytically synthesizing chloroparaffin by using the ketone oxide as a catalyst, subsequently adding a composite additive into the chloroparaffin in proportion at the constant temperature of between 150 and 160 DEG C, stirring the mixture for 5 hours, uniformly mixing the mixture in a liquid mixer at the constant temperature of between 150 and 160 DEG C, reducing the temperature to be less than 90 DEG C, and producing the chloroparaffin with high softening ...

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04-11-2009 дата публикации

Method for preparing cystine

Номер: CN0101570502A
Принадлежит:

The invention relates to a method for preparing cystine, which is mainly used for preparing the cystine. The preparation method mainly comprises the following steps: hydrolyzing hair by adding an auxiliary hydrolytic agent and adopting a multi-step hydrolysis method so as to improve the yield of the cystine, quickly and accurately purifying the cystine products by a one-step refining, neutralization and decolorization method instead of a multi-step refining and neutralization method after hydrolysis, performing washing and centrifugal separation on the cystine products after extraction, drying the obtained solid materials by a one-step continuous feeding and discharging process at the temperature of 160 DEG C instead of a multi-step drying process at the temperature of 80 DEG C so as to save the energy and improve the production efficiency, and performing warehouse entry on the dried products after detection and packaging. The products are widely used in the industries such as medicament ...

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04-11-2009 дата публикации

Method for preparing high-grade general emulsified asphalt

Номер: CN0101570692A
Принадлежит:

The invention relates to a method for preparing high-grade general emulsified asphalt, which is mainly used for preparing the high-grade general emulsified asphalt. The preparation method is mainly to adopt a catalytic cracking agent and a coating and forming agent, mix the catalytic cracking agent and the coating and forming agent into a synthetic auxiliary agent according to the proportion of 1:1, and utilize the quick reaction between the synthetic auxiliary agent and petroleum asphalt to prepare the high-grade general emulsified asphalt by one step, wherein the Engler viscosity (at 25 DEG C) is between 3 and 60; the content of evaporated residue is more than or equal to 60 percent; the storage stability (24 hours) is less than or equal to 1.0 percent; the penetration degree (at 25 DEG C)/0.1mm is more than or equal to 90; and the softening point is more than or equal to 50 DEG C. The preparation method has the main advantages of advanced process, convenient operation and high production ...

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13-10-2010 дата публикации

Method for preparing nano carbon fiber

Номер: CN0101857986A
Принадлежит:

The invention relates to a method for preparing nano carbon fiber, which is mainly used for the preparation of the nano carbon fiber. CO is mainly used as a raw material. The method comprises the following steps of: crushing a catalyst into a certain granularity by adopting a crusher, mixing the crushed catalyst and H2 in a certain ratio, heating and stirring the mixture in a stirring kettle at the constant temperature of between 35 and 45 DEG C, then spraying the mixture into a high-temperature reaction chamber through a spray pipe under pressure control and temperature control conditions, meanwhile intruding high-purity CO into the reaction chamber, stopping spraying the mixture when the reaction time reaches a set value, continuously introducing the high-purity CO into the reaction chamber for 35 to 40 minutes, then cooling the high-temperature reaction chamber by air, settling, acid-washing and washing the reaction product, and drying the reaction product by adopting hot air to obtain ...

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16-04-2008 дата публикации

A washstand which can adjust height up and down

Номер: CN0101161173A
Автор: LENG LIANG, LIANG LENG
Принадлежит:

A washstand which height can be adjusted based on requirement, is used for people washing face comfortably and conveniently. The washstand is mainly composed of washstand part and supporting part, the washstand part is composed of washstand hook, connecting bolt and supporting rod, the washstand hook is fixed on the supporting rod by connecting bolt; the supporting part is composed of fixing handle, supporting column, connecting bolt and supporting feet which is fixed on the supporting column by connecting bolt; the supporting rod is inserted into the hole of the supporting column, according to required height, to revolve the fixing handle into the screw thread hole of the supporting column, and to apply force to fix the fixing handle so as to fix the supporting rod on the supporting column. The advantage of the present invention is that structure is simple, sculpt is beautiful, the height of the washstand can be adjusted based on requirement conveniently to meet comfort of people.

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16-04-2008 дата публикации

A safe electric heating kettle

Номер: CN0101161170A
Автор: LENG LIANG, LIANG LENG
Принадлежит:

A safe electroheat pot belongs to a pot with safe protect device, which is used mainly for burning water. The pot is composed mainly of pot cover part, pot body part, electric heating part, the pot cover is composed of handle and pot cover, the pot body part is composed of handle, pot body, supporting feet and outlet, the electric heating part is composed of temp.-sensitive bag, connecting line, resetting key, signal lamp, electroheat wire, normally closed contact and power supply plug. The main advantage of the present invention is that response is flexible, construction is simple, it is able to cut off instantly to resist the electroheat pot to boil empty and insure to use the pot safely.

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21-05-2008 дата публикации

Temperature measuring equipment of solar energy water heater

Номер: CN0101183029A
Автор: LENG LIANG, LIANG LENG
Принадлежит:

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04-11-2009 дата публикации

Automatic filling device for solar water heater

Номер: CN0101571323A
Принадлежит:

The invention relates to an automatic filling device for a solar water heater, belongs to a device capable of filling water into the solar water heater, and is mainly used for filling water into a cylinder body of the solar water heater in the life of people. The automatic filling device for the solar water heater mainly comprises a solar water heater part, a measuring part and a control part, wherein the solar water heater part consists of a water inlet pipe, a water return pipe, the cylinder body, water, a heat-collecting pipe and a support; the measuring part consists of a fixed sleeve, a force sensitive resistor, a buoy and a connecting line; and the control part consists of a fire wire, a rectifier, a connecting hoop, a filling pipe, a solenoid valve, a bias resistor, a switch triode, an earth line and a connecting line. The device has the main advantages of simple structure and high sensitivity and can realize the automatic filling and the stopping of filling of water into the solar ...

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16-06-2010 дата публикации

Automatically controlled water heating device for silica gel production

Номер: CN0101734670A
Автор: LENG LIANG, LIANG LENG
Принадлежит:

The invention discloses an automatically controlled water heating device for silica gel production, which is mainly used for heating water in the production of silica gel products. The automatically controlled water heating device mainly comprises a control part and a hot water cylinder part, wherein the control part consists of a power plug, a PLC control system, a connecting wire, a water inlet valve electromagnetic valve, a drain valve electromagnetic valve, a steam valve electromagnetic valve and a thermoelectric couple; and the hot water cylinder part consists of a hot water cylinder, a water inlet pipe, a steam pipe and a drain pipe. The device has the main advantages of simple structure and high sensitivity, can control a water heating procedure in real time and meets the requirements of silica gel production enterprises on a water heating process.

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13-07-2005 дата публикации

Prepn process of spherical nanometer calcium carbonate

Номер: CN0001636877A
Автор: LENG LIANG, LIANG LENG
Принадлежит:

The preparation process of spherical nanometer calcium carbonate includes the following steps: digestion of high purity limestone in water of certain ratio; carbonization with high purity CO2 as gas source in a three-stage serial stirring continuous bubbling carbonizer; and regularly adding self-made crystal form controlling agent, dispersant, whitening agent and surface modifier, to prepare spherical nanometer calcium carbonate. The preparation process is advanced, suitable for continuous industrial production and high in production efficiency, and the product has high sphericity, narrow granularity distribution and high dispersivity, and may be used widely in making high grade paper, high grade paint and high grade plastic.

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30-04-2008 дата публикации

Stick capable of adjusting height

Номер: CN0101167680A
Автор: LENG LIANG, LIANG LENG
Принадлежит:

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20-08-2008 дата публикации

Ferrite/bacille calmette-guerin vaccine/temperature sensing gel rubber integration material and preparation thereof

Номер: CN0101244274A
Принадлежит:

The invention discloses a ferrite/bcg (bacillus calmette-guerin)/ temperature sensitive gel composite material, comprising weight percentage 5% to 15% bcg, 5% to 15% tri-iron tetroxide, 70% to 90% chitosan/Beta-sodium glycerophosphate xerogel; which adopts the technical proposal that: firstly, nanometer tri-iron tetroxide is prepared by the coprecipitation method; secondly, chitosan is dissolved into a dilute hydrochloric acid; quantitative prepared tri-iron tetroxide and bcg are evenly dispersed; Beta-sodium glycerophosphate solution is added; and then the mixed liquid is turned into gel by water bath heating; thirdly, the gel is freeze dried or vacuum dried to get chitosan xerogel; fourthly, the xerogel is grinded and then sieved to get the corresponding composite material. The composite material has the advantages that with the attaching-wall targeting and sustained releasing function, as well as the action of outside magnetic field, the power of the composite material can attach to ...

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30-04-2008 дата публикации

Rotating type watering pot

Номер: CN0101167435A
Автор: LENG LIANG, LIANG LENG
Принадлежит:

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04-11-2009 дата публикации

Method for preparing bulk mesophase powder

Номер: CN0101572303A
Принадлежит:

The invention relates to a method for preparing bulk mesophase powder, which is mainly used for preparing the bulk mesophase powder. The preparation method mainly comprises the following steps: adding a certain proportion of auxiliary agent and asphalt (petroleum asphalt or coal asphalt) into a polycondensation kettle for polycondensation, preparing bulk mesophase with high yield (more than 95 percent) and superior fusing state by one step, crushing the bulk mesophase into powder through a crusher, performing classification treatment on the powder, performing heat treatment on the selected powder with the particle diameter of between 5 and 30 mu m at the temperature of 2,800 DEG C, using a coating agent to coat and modify the bulk mesophase powder after heat treatment, using a classifier for secondary classification, performing low-temperature carbonization on the obtained powder with the particle diameter of between 5 and 30 mu m at the temperature of 700 DEG C, and preparing the bulk ...

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17-11-2004 дата публикации

一种浸渍剂沥青的配制

Номер: CN0001546608A
Автор: LENG LIANG, LIANG LENG, 冷 亮
Принадлежит:

The invention discloses the preparation of impregnating agent asphalt which is mainly used for impregnating pyrographite product and medium phase asphalt charcoal microsphere material, the modified formula includes, aluminium oxide 40-49%, sodium oxide 26-32%, ferric oxide 12-19%, the liquefier is disposed in the reactor by more than three layers, the common tar asphalt can crack the macromolecules at the presence of catalyst.

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13-10-2010 дата публикации

Method for preparing nano carbon spheres

Номер: CN0101857218A
Принадлежит:

The invention relates to a method for preparing nano carbon spheres, which is mainly used for the preparation of the nano carbon spheres. Acetylene is mainly used as a raw material, and hydrogen is used as a carrier. The method comprises the following steps of: pumping the acetylene and the hydrogen into a gas storage tank in a certain ratio, controlling the temperature and pressure of mixed gas in the gas storage tank, pumping vacuum from an inner container of an arc plasma generator, introducing the mixed gas into the inner container, controlling the pressure of the mixed gas in the inner container of the arc plasma generator, controlling the discharge voltage, discharge frequency and discharge time of the arc plasma generator, and generating the nano carbon spheres in the inner container of the arc plasma generator, wherein the obtained carbon spheres have flaky graphite structures, the diameters of the nano carbon spheres are 10 to 18 nanometers and the specific surface area is more ...

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