在线一本码道高清

Spraying equipment; dyes; paints; polishing agents; natural resins; manufacturing and application of adhesive devices, application technology
  • The invention belongs to a liquid crystal material, and relates to a liquid crystal compound containing a difluoromethoxy bridge. In recent years, liquid crystal display devices have been developed more and more rapidly, and different types have also been developed, such as small liquid crystal display devices for vehicles, portable liquid crystal display devices, ultra-thin liquid crystal display devices, and so on. The development in this field is making progress. Take the television as an example, which is characterized by light weight, small footprint, convenient movement, and notebook personal computers, mobile phones, etc ...
  • The invention belongs to a liquid crystal material for a microwave device, and more particularly, relates to a liquid crystal composition with high dielectric and low power consumption and application thereof. Microwave phase shifter is a key component in microwave k-band (4 ~ 40ghz) communication. It has a wide range of applications in aerospace, military and civil fields such as radar systems, satellite antennas, communication systems, and electronic countermeasure systems. But with the rapid development of modern communication technology, the phenomenon of communication frequency congestion is becoming increasingly prominent ...
  • Fly ash-based soil water-retention conditioning agent and preparation method and process thereof
    The invention belongs to a soil water retaining conditioner, and particularly relates to a fly ash-based soil water retaining conditioner and a preparation method thereof. At present, the amount of fly ash produced in China is increasing year by year. Fly ash is the powder collected in the flue gas of the pulverized coal furnace of the power plant. The main oxide composition of the fly ash is: sio2, al2o3, feo, fe2o3, cao, tio2, mgo , K2o, na2o, so3, mno2, etc ...
  • The invention relates to a fertilizer additive, in particular to a highly effective nursing silicon-based carbonase. With the increase of population, the development of industry and the continuous expansion of the city scale, a large amount of cultivated land is occupied, and the area of cultivated land is shrinking year by year. In order to meet people's demand for food and agricultural and sideline products, it is necessary to increase food production, and the application of chemical fertilizers is an effective means to increase food production. At present, traditional fertilizers have high nutrient content and rapid fertilizer effect, and are widely used ...
  • Repairing agent using extraction method to repair arsenic-contaminated soil, and preparation method and process thereof
    The invention belongs to soil remediation, and particularly relates to a remediation agent for remediation of arsenic-contaminated soil by an extraction method and a preparation method thereof. Arsenic is an important element in social production activities and is widely used in the fields of alloys, pesticides, preservatives, and pharmaceuticals. During the process of arsenic mining, processing and utilization, part of the arsenic will inevitably enter the surrounding soil, causing environmental pollution. Survey shows that 41 ...
  • The invention relates to high-standard farmland construction, in particular to an ecological glue for strengthening farmland trenches and its application. The construction of high-standard farmland is an inevitable requirement to improve the comprehensive agricultural production capacity and ensure national food security, and it is also an effective means to improve agricultural economic benefits and promote farmers' income. In the construction of high-standard farmland projects, the reasonable layout and construction quality of irrigation and drainage ditches directly affect the production capacity of farmland, scientific planning and layout, and reasonable construction ...
  • Soil remediation agent using rice straw biomass charcoal as raw material and production method and process thereof
    The invention relates to the repair of polluted soil, in particular to a soil repairing agent using rice straw biomass charcoal as a raw material and a production method thereof. Remediation of contaminated soils is generally achieved by transferring, adsorbing, transforming, and degrading pollutants in the soil to reduce their concentration to acceptable levels, or transforming toxic and harmful substances into non-toxic and harmless substances. At present, the main repair methods include physical repair methods, chemical repair methods and biological repair methods. among them...
  • The invention belongs to soil remediation, and particularly relates to a soil remediation agent and a preparation method and application thereof. China's current agriculture basically belongs to chemical agriculture. China has become the world's largest country in the consumption and production of chemical fertilizers. On average, one pound of chemical fertilizer is applied for every kilogram of grain added. The average pesticide application in China is 13.4 kg / ha, of which 60 to 70. % Residue in the soil, soil organic matter decline, soil compaction, the national average organic matter does not ...
  • The invention relates to a soil heavy metal pollution solidifying and repairing compound agent and a method for solidifying and repairing heavy metal contaminated soil by using the agent, and belongs to soil restoration and treatment. Soil is an important part of the ecological environment and the main natural resource on which human beings depend. In the process of rapid industrialization in China, due to inadequate environmental management models and strict pollution control systems, long-term industrial production activities, such as electroplating, smelting and other industries, ...
  • Method and process for preparing water-phase quantum dot microcrystals
    The invention relates to a method for preparing water-phase quantum dot microcrystals, and belongs to the field of surface chemistry. At this stage, led lamp beads usually use phosphors to modulate different luminous parameters to meet the needs of different occasions. In specific use, the phosphor needs to be mixed with a certain glue, and then dispensed and cured. Because the phosphor is usually wide in luminescence, and the types of luminous colors are limited, it causes certain limitations in the light distribution, especially for a certain light quality parameter ...
  • Preparation method of 2-aminobenzimidazole pseudo-template molecularly imprinted fluorescent sensing material and its application and process
    The invention belongs to optical sensing materials and molecular imprints, and particularly relates to a method for preparing 2-aminobenzimidazole pseudo-template molecularly imprinted fluorescent sensing materials and its application. Heterocyclic aromatic amines (haas) are a class of aromatic compounds composed of carbon, nitrogen, and hydrogen atoms with a polycyclic structure. Most heterocyclic amines contain more than two aromatic rings with at least one on the ring .. .
  • High-brightness and ultra-long afterglow luminescent material, and manufacturing method and process
    The invention belongs to a fluorescent material in light-emitting physics, and relates to a high-brightness ultra-long afterglow light-emitting material and a manufacturing method thereof. At present, the existing green long-glow afterglow materials sr0.97al2o4: eu0.01, dy0.02 are mostly made of strontium carbonate, aluminum oxide, hafnium oxide, hafnium oxide, and boric acid as raw materials. After uniform mixing, they are sintered at 1300 ° C. Under temperature, 95% n2-5% h2 in a weakly mixed gas for 1h ...
  • Ultra-small hafnium oxide up-conversion luminescent material and preparation method and process thereof
    The invention belongs to a light-emitting material, and particularly relates to a class of ultra-small europium oxide up-conversion light-emitting materials with a minimum size that can be excited by near-infrared light and can reach below 10 nm, and a preparation method thereof. Upconversion luminescence is a non-linear optical process, which is characterized in that the ground-state electrons absorb two or more photons of longer wavelengths, and then migrate to a higher excited state through mechanisms such as excited-state absorption to emit shorter-wavelength photons. . Due to the unique ...
  • Near-infrared luminescent material and preparation method and process thereof
    The invention belongs to the field of solid light-emitting materials in physics, and particularly relates to a near-infrared light-emitting material and a preparation method thereof. The limited reserves of fossil energy and the increasing environmental pollution are the main challenges faced by various countries. Therefore, the development of pollution-free and sustainable new energy sources is particularly important. In recent years, new energy sources such as wind energy, solar energy, tidal energy, biomass energy and geothermal energy have received widespread attention. Among them solar energy has no geographical restrictions, green and pollution-free ...
  • Method and process for preparing 1T ’phase transition metal chalcogenide quantum dot
    The invention relates to the preparation of nanomaterials, in particular to a method for preparing a 1t 'phase transition metal chalcogenide quantum dot. Crystal phase regulation plays an important role in the synthesis of inorganic materials. For metal chalcogenide compounds such as mos2 and mose2, the different spatial coordination modes of elements will form crystal phase structures with different characteristics, such as 1t, 1t 'phase and 2h phase. Although its 1t, 1t 'phase is electrified ...
  • Preparation method and process of luminescent material containing cesium, lead and iodine
    The invention belongs to the field of material synthesis, and particularly relates to a method for preparing a luminescent material containing cesium, lead and iodine. Perovskite-structured cesium lead iodide is a direct bandgap semiconductor material. It can emit visible light band fluorescence under the excitation of light and electricity, and has high fluorescence efficiency. It has broad application prospects in white light emitting diodes and other fields. However, the perovskite cesium lead iodine is extremely unstable due to the influence of oxygen and water in the air. another...
  • Carbon quantum dot fluorescent probe, test paper and application thereof in mulberry color detection manufacturing method
    The present invention belongs to a fluorescent probe, and particularly relates to a carbon quantum dot fluorescent probe, a test paper, and its application in the detection of mulberry pigment. Mulberry is a natural polyphenol. It is widely found in the leaves, fruits, stems and branches of the Morus family, and plays a certain role in treating various human diseases, including diabetes, cancer, bacterial infections, hypertension, hypoglycemia, and so on. In addition, mulberry pigment can also reduce ...
  • Near-infrared luminous biological mass point and NIR ratio fluorescent probe, and preparation method, application and process thereof
    The invention relates to chemistry and biomedicine, in particular to materials for detecting biological information in living organisms and cells, and in particular, it is a near-infrared luminous biological mass point and nir ratio fluorescent probe, and a preparation method and application thereof. Peroxy nitrite (onoo-) is an important reactive oxygen species in living organisms. It is formed by the rapid reaction of nitric oxide (no ·) and superoxide anion (o2- ·) in the body. point...
  • Divalent europium-doped barium bromide fluoride light-emitting material and preparation method, application, and process thereof
    The invention relates to the field of x-ray storage phosphors. More specifically, it relates to a divalent europium-doped barium bromide fluoride light-emitting material, and a preparation method and application thereof. X-rays were used in medical imaging almost immediately after WC Roentgen's discovery in 1895. In the early days of medical imaging, traditional film was used for x-ray imaging. However, they are less sensitive to x-rays, and the total x-ray dose that can be recorded is limited by the total number of silver halide particles. In medicine ...
  • Liquid phase preparation method and process of ultraviolet colloidal zinc sulfide quantum dots
    The invention relates to the field of optoelectronic materials, in particular to a liquid-phase preparation method capable of batch synthesizing ultraviolet colloidal zinc sulfide quantum dots. As a new generation of semiconductor nanomaterials, quantum dots are used in biomedicine, semiconductor optoelectronic devices, and analysis due to their five major physical characteristics, such as: quantum surface effects, quantum size effects, quantum tunnel effects, quantum confined effects, and Coulomb blocking Chemistry, solar cells, etc. have a wide range of applications ...
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