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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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Применить Всего найдено 11. Отображено 11.
02-05-2023 дата публикации

Imino pyridyl Ni (II) and Pd (II) complex as well as preparation method and application thereof

Номер: CN116041401A
Автор: CHANG GUANRU, ZHOU QUAN, FANG HUIPING, XING NANNAN, CHEN LONG
Принадлежит:

The invention discloses an imino pyridyl Ni (II) and Pd (II) complex as well as a preparation method and application thereof, and relates to the technical field of organic synthesis. According to the invention, four large-volume imino pyridyl Ni (II) and Pd (II) complexes containing naphthalene or benzothiophene groups are successfully prepared, and the application of the complexes in olefin oligomerization is researched. The prepared nickel-palladium complex generally shows good catalytic activity on ethylene oligomerization reaction, and hyperbranched oligomers with various microstructures are provided.

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Номер записи: 1
26-05-2023 дата публикации

Preparation method and application of diphenyl ether compound

Номер: CN116162668A
Автор: CHEN XIANQIANG, PAN DONGJIN, XING NANNAN, LIU YONGHONG, GAO CHENGHAI, XIA CHENXI
Принадлежит:

The invention discloses a preparation method and application of a diphenyl ether compound, and the diphenyl ether compound comprises 3, 7-dihydroxy-1, 9-dimethyldibenzofuran and aspermutuburol, and can be efficiently prepared and obtained from marine-derived microorganisms. The invention further discloses a preparation method of the diphenyl ether compound, and the preparation method is characterized in that the diphenyl ether compound is prepared from the marine-derived microorganisms, and the application of the diphenyl ether compound to preparation of the marine-derived microorganisms of the marine-derived microorganisms of the marine-derived microorganisms of the marine-derived microorganisms of the marine-derived microorganisms of the marine-derived microorganisms. Experiments prove that the 3, 7-dihydroxy-1, 9-dimehyldibenzylol and the aspermutulol can be used for inhibiting the accumulation of triglyceride in the differentiation process of the 3T3-L1 preadipocytes and inhibiting ...

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Номер записи: 2
02-07-2014 дата публикации

Mammal blood genome DNA extraction kit and method for extracting mammal blood genome DNA

Номер: CN103898096A
Автор: PAN HAIBO, XING NANNAN, XIE YANG, HUA QIN
Принадлежит:

The invention provides a mammal blood genome DNA extraction kit which is composed of an erythrocyte lysis buffer, a leukocyte lysis buffer, a protein precipitation liquid and DNA precipitation liquid. Compared with the prior art, the mammal blood genome DNA extraction kit has the following technical effects: (1) no organic reagent is used, and the mammal blood genome DNA extraction kit is friendly to the environment and harmless to a human body; (2) DNA with relatively high concentration and purity can be obtained, and stretches of DNA are preserved; (3) one-step removing method is used, and is simple to operate and applicable to a wide crowd; (4) the operation time is short, a DNA sample needed by an experiment can be obtained in a short time, so that the efficiency of the experiment is greatly improved; and (5) the cost is low and the price is low.

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Номер записи: 3
13-08-2014 дата публикации

PCR kit used for detecting CGC replication number and AGG insert information of fragile X syndrome

Номер: CN103981253A
Автор: PAN HAIBO, HUA QIN, XING NANNAN, XIE YANG
Принадлежит:

The invention provides a PCR kit used for detecting the CGC replication number and AGG insert information of fragile X syndrome. The PCR kit comprises a DNA polymerase emboitement, a PCR reinforcing agent, a primer group and a correction Marker; and the primer group comprises primers F and R used for detecting the CGG replication number, and detection primers M1 and R1 and verification primers M2 and F1 used for detecting the AGG insert information. The kit can accurately and rapidly analyze the CGC replication number and the AGG insert information of a sample, can breakthrough the problems of high sequencing difficulty, long time and high cost of present fragile X syndrome detection methods adopting a fluorescence probe, MLPA and Southern Blot, and can directly analyze the range of the CGC replication number and the AGG insert information according to a gel electrophoresis result in order to rapidly diagnose the characteristics of the sample; and the product resolution can be obtained ...

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Номер записи: 4
13-08-2014 дата публикации

Clinic rapid PCR detection kit of fragile X syndrome

Номер: CN103981254A
Автор: PAN HAIBO, XIE YANG, XING NANNAN, HUA QIN
Принадлежит:

The invention provides a clinic rapid PCR detection kit of a fragile X syndrome. The kit comprises DNA polymerase, dNTPs, a primer group and a buffer system. The kit is used for detecting the copy number of the FMR-1(CGG)n fragment of the virulence gene of the fragile X syndrome, so the content range of the copy number can be deducted, and the carriers and patients of the virulence gene can be fast found; and the kit can be used in antenatal diagnosis and infant patient birth prevention in order to reduce the incidence of the fragile X syndrome.

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Номер записи: 5
10-06-2015 дата публикации

Preparation method of probe for multiplex ligation-dependent probe amplification

Номер: CN104694630A
Автор: PAN HAIBO, HUA QIN, XING NANNAN
Принадлежит:

The invention relates to a preparation method of a long probe for multiplex ligation-dependent probe amplification (MLPA). The preparation method comprises the following steps: 1) designing a pair of universal detection primers independent of a target gene to be detected and the nucleotide sequence of the long probe; 2) artificially synthesizing a short probe; 3) determining a fragment of nucleotide sequence independent of the target gene and the universal detection primers; 4) designing a long probe amplification primer; 5) amplifying double chains of the long probe by virtue of PCR and purifying the product; 6) performing affinity purification by use of streptavidin magnetic beads; 7) preparing and recovering the long probe; 8) performing MLPA verification. The preparation method of the long probe for MLPA is simple and fast, and capable of obtaining the high-quality long probe only by virtue of the processes of PCR amplification and affinity purification by use of the streptavidin magnetic ...

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Номер записи: 6
23-09-2015 дата публикации

Rare earth ion liquid as well as preparation method and application thereof in detection of ferric ions

Номер: CN104926731A
Автор: GUAN WEI, FAN BENHAN, WEI JIE, XING NANNAN, ZHENG LING
Принадлежит:

The invention relates to rare earth ion liquid as well as a preparation method and application thereof in o detection of ferric ions. According to the invention, the rare earth ion liquid [C4mim] [Dy(NO3)4] is used as a fluorescence probe, a rare earth ion liquid aqueous solution with fixed concentration is prepared to be used as standard detection liquid, and whether water contains ferric ions or not can be judged by observing whether the ionic liquid fluorescence light cancels or not under 325nm excitation wavelength. By adopting the rare earth ion liquid, the ferric ions can be exclusively recognized, interference of other heavy metal ions is avoided, the detection method is simple and fast, a detection reagent is short in synthesis period and high in yield, and when being applied to actual production, the ion liquid is an environment-friendly solvent and has a wide application prospect.

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Номер записи: 7
10-06-2015 дата публикации

Kit for detecting hereditary deafness susceptibility gene mutation

Номер: CN104694629A
Автор: HUA QIN, PAN HAIBO, XING NANNAN
Принадлежит:

The invention relates to a multiplex ligation-dependent probe amplification kit for detecting hereditary deafness susceptibility gene mutation. The multiplex ligation-dependent probe amplification kit comprises a detection probe for detecting mutation site specificity, a universal primer, a positive DNA template, a DNA ligase, a connection buffer solution, a hybridization solution and a PCR reaction reagent, wherein the detection probe is composed of a pair of short probe and long probe and corresponds to one mutation site. The method is high in sensitivity and is accurate in result, and compared with the traditional detection technology, the kit can be used for completing high-throughput screening of multiple key hereditary deafness gene mutation diagnosis at one time, and has the advantages of high economical efficiency, high efficiency and high accuracy.

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Номер записи: 8
13-08-2014 дата публикации

PCR amplification additive composition used for high-GC gene, and PCR amplification method of high-GC gene

Номер: CN103981172A
Автор: PAN HAIBO, XING NANNAN, XIE YANG, HUA QIN
Принадлежит:

The invention provides a PCR amplification additive composition used for high-GC gene. The amplification additives are selected from two or more of 7-deaza-dGTP, betaine or betaine analog, DMSO, glycerin, formamide and polyethylene glycol. Compared with additives and the prior art, the PCR additive and an amplification method can realize the amplification of target gene with the template GC content of above 80%, and can realize the successful amplification of complex gene to be used in clinic detection; a PCR amplification obtained in the invention has the advantages of high specificity, single brand and no purification, and can be directly used in subsequent operations; and the PCR method has a low requirement on DNA polymerase, and can match with various commercial PCR kits.

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Номер записи: 9
05-11-2014 дата публикации

Method for calculating optimal capacity of acceptance of small hydropower stations connected to power distribution network

Номер: CN104134011A
Автор: XIAO YONG, LIU WENXIA, CHEN JIANGUO, XING NANNAN, WEN XIANKUI, GAO CHANGQING, LIN CHENGHUI, LI YONGJIE, XU MEIMEI, ZHANG YUYING, GU WEI, XU YUTAO, FAN QIANG
Принадлежит:

The invention discloses a method calculating the optimal capacity of acceptance of small hydropower stations connected to a power distribution network. The method comprises the steps that (1) an evaluated region is determined, and a chance constraint planning model used for calculating the optimal capacity of acceptance of the small hydropower stations connected to the power distribution network is established based on a physical model and an economic model of the power distribution network; (2) with runoff hydropower stations in the evaluated region as the evaluation objects and the minimum electricity purchasing and operation cost of the power distribution network as the optimization objective of the chance constraint planning model, an optimization model for evaluating the optimal capacity of acceptance of the small runoff hydropower stations connected to the power distribution network is obtained; (3) the optimization mode is solved, and then the optimal capacity of acceptance of the ...

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Номер записи: 10
30-06-2023 дата публикации

Intelligent channel indicating lamp sign

Номер: CN116353769A
Автор: WANG JIESHI, JI MINMING, TANG ZHIRONG, HE HONG, XING NANNAN, CHEN YU, XIA YAN, ZHANG ENXIA
Принадлежит:

The invention discloses an intelligent channel indicating lamp sign, and relates to the technical field of channel indicating lamp equipment. When the water level drops, the steel cable becomes loose, the arranged triggering mechanism generates a signal and transmits the signal to the central control controller to drive the propeller driving assembly to work and move towards the original position, and meanwhile the winding mechanism is driven to wind the steel cable, so that the floating base keeps small-amplitude movement as much as possible after moving to the preset position; when the water level rises, the rope pulls the floating base to gradually rise along with the water level, the tension of the rope is larger and larger, the water discharge amount of the floating base is increased, a signal is provided to the central controller, the central controller drives the winding assembly to release the steel rope, and then the position requirement caused by the rising of the water level ...

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Номер записи: 11