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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 5. Отображено 5.
02-07-2014 дата публикации

Biological tissue simulating object and preparation method thereof

Номер: CN103900953A
Автор: JI XIAOHUAN, SUN BIN, WU GUOHUA, ZHANG XINLIN, WANG JINGQI, ZHU MEIFANG
Принадлежит:

The invention belongs to the technical field of testing on the adhesion performance between an adhesive material and biological tissue in vitro and in particular relates to a biological tissue simulating object in the performance test and a preparation method thereof. The biological tissue simulating object comprises gelatin, an adhesion regulator and water, the moisture content of the biological tissue simulating object is 5%-40% and the weight of the adhesion regulator is 0-50% of that of the gelatin. The preparation method comprises the following steps: determining components and ratios, compounding and drying to form a membrane. The biological tissue simulating object provided by the invention is used as an adhered matrix, a simple and reliable vertical adhesion test device is constructed through a lever of a physical balance, and the problems that biological tissue is difficult to obtain, inconvenient to store, different in fresh degree, relatively tedious in treatment process and ...

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Номер записи: 1
23-05-2023 дата публикации

Polysaccharide-based fluorescent responsive sponge as well as preparation method and application thereof

Номер: CN116144069A
Автор: JI XIAOHUAN, ZHANG HENG, CHEN JIA, CAI ZHIYONG, JIANG XIAOZE, SUN BIN
Принадлежит:

The preparation method comprises the following steps: sequentially adding sodium carboxymethyl cellulose powder, sodium hydroxide and sodium trimetaphosphate into a nano-microsphere water-phase dispersion liquid under a stirring condition until the sodium carboxymethyl cellulose powder, the sodium hydroxide and the sodium trimetaphosphate are completely dissolved; preparing a transparent precursor solution, and preparing the polysaccharide-based fluorescent responsive sponge from the transparent precursor solution; the prepared polysaccharide-based fluorescent responsive sponge is composed of a polysaccharide-based sponge and fluorescent responsive nano-microspheres distributed among pores of the polysaccharide-based sponge. The polysaccharide-based fluorescence responsive sponge shows color change and change of emission peak value in a solid fluorescence spectrum under the conditions of certain temperature and certain organic solvent gas concentration. The preparation method of the polysaccharide-based ...

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Номер записи: 2
23-06-2023 дата публикации

Preparation of nano-microspheres and nano-microsphere aqueous dispersion based on non-polar molecules

Номер: CN116272703A
Автор: CHEN JIA, SUN BIN, JI XIAOHUAN, ZHAN WEIDONG, ZHAO HAORU, SHEN LI
Принадлежит:

The invention relates to a nano microsphere and a preparation method of a nano microsphere water-phase dispersion liquid based on non-polar molecules. The nano microsphere is formed by self-assembling CIAA in a water phase; the CIAA is formed by chemically bonding an assembler containing a hydrophilic functional group and 1-2 non-polar limited assemblers; the assembler is a group with a plane conjugated structure; the non-polar limiting assembler is a group with a nano-sized three-dimensional structure, or a group which can be clustered into the nano-sized three-dimensional structure due to hydrophobic interaction in a water phase; the preparation of the dispersion liquid comprises the following steps: firstly dissolving CIAA in tetrahydrofuran to form a CIAA/tetrahydrofuran solution, then adding ultrapure water into the solution to obtain a colloid, and finally removing tetrahydrofuran in the colloid by a dialysis method to obtain the nano-microsphere water-phase dispersion liquid with ...

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Номер записи: 3
23-06-2023 дата публикации

Preparation method of hydrophobic molecule water-phase dispersion liquid

Номер: CN116272697A
Автор: SUN BIN, CHEN JIA, JI XIAOHUAN, ZHAN WEIDONG, ZHAO HAORU, SHEN LI
Принадлежит:

The invention relates to a preparation method of a hydrophobic molecule water-phase dispersion liquid, which comprises the following steps: dissolving hydrophobic molecules in an organic solvent to form a hydrophobic molecule/organic solvent solution, quickly adding ultrapure water into the hydrophobic molecule/organic solvent solution, mixing to obtain a colloidal dispersion liquid A, and finally removing the organic solvent in the colloidal dispersion liquid A to obtain a colloidal dispersion liquid B, thereby obtaining the hydrophobic molecule water-phase dispersion liquid. The water phase dispersion liquid is hydrophobic molecule water phase dispersion liquid; rapidly adding ultrapure water into the hydrophobic molecule/organic solvent solution, namely injecting or pouring the ultrapure water into the hydrophobic molecule/organic solvent solution within 3 seconds; the hydrophobic molecules are dissolved in the organic solvent; the hydrophobic molecules are hydrophobic molecules containing ...

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Номер записи: 4
01-10-2014 дата публикации

Preparation method for nano silver antibacterial polyester

Номер: CN104073911A
Автор: SUN BIN, ZHU MEIFANG, CHEN LONG, ZHOU ZHE, JI XIAOHUAN, HUA BEIBEI, ZHANG RUITAO
Принадлежит:

The invention belongs to the technical field of the functional polyester fiber and particularly relates to a preparation method for nano silver antibacterial polyester. The preparation method for the nano silver antibacterial polyester comprises the following steps: the mixture of PBT ( polybutylece terephthalate) and non-polar solvent soluble type nano silver is blended and extruded through a screw extruder; a functional composite filler melt is obtained; the functional composite filler melt and a PET melt are adopted, so as to prepare the nano silver antibacterial polyester through the melt direct spinning method; the non-polar solvent soluble type nano silver refers to high-grade fatty acid-alkyl amine compound coated nano silver. According to the invention, through synthesizing the non-polar solvent soluble type nano silver with small grain size, and narrow grain size distribution, functional fillers of high dispersion are further obtained; the problem that nano silver antibacterial ...

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Номер записи: 5