38results about How to "Control the growth process" patented technology

The invention relates to a process and a device for rapidly growing a sapphire crystal material of a corundum system by virtue of a flame fusion method and belongs to the field of processes and devices for preparing crystals of the corundum system by virtue of the flame fusion method. By improvement on the crystal growth process, the rapid growth method is effectively broken through, the difficulty of not large growth size of the crystal is completely solved, the production efficiency is greatly improved and the production cost is further effectively controlled. Furthermore, at a high temperature of 2050 DEG C, the low-melting-point impurity in gamma-Al2O3 powder is gasified, the high-melting-point impurity is oxidized under an oxidizing atmosphere, the growth process of the crystal is fully realized, the repurification and recrystallization processes of the crystal are completed in fact, therefore, under the new process condition, the purity of alpha-Al2O3 sapphire crystal reaches up to 99.9998% and the requirement of users on the purity of the crystal is fully met. The whole set of device has simple and reasonable structure and design, is scientific and practical and suitable for being popularized in the industry and the crystal growth operation is efficiently performed in high quality manner.

The present invention belongs to the field for preparing composite ferro-electricity thin films by adopting sol-gel method.Said low temperature preparation method for composite thin films in accordance with the present invention is as follows: above all, preparing a precursor solution using sol-gal process and spin-coating a thin film with desirable thickness on the substrate Pt / Ti / SiO2 / Si and Ti at heat treating temperature of 300-400 DEG C for each thin film, then impregnating the thin film into a hydrothermal solution of 90-300 DEG C for 10-30 h, putting the thin film at a pure oxygen entironment of 1-35 MPa for a treatment for 10-30 hours, sputtering aurum on its surface for acting as an upper electrode. Said process in accordance with the present invention has a low preparing temperature and resolves the compatible technical problems of ferro-electricity film membrane and semi-conductor integrated circuit process. In addition, during thin film crystal grain growth at hydrothermal and high pressure oxygen conditions, the defect is reduced and then ferro-electricity thin film with high performances is obtained.

The invention belongs to the field of biomedical research, and in particular relates to the use of human EDDM3A gene as a target in the preparation of drugs for treating gastric cancer. After extensive and in-depth research, the present invention finds that down-regulating the expression of human EDDM3A gene by RNAi method can effectively inhibit the proliferation of gastric cancer cells, promote cell apoptosis, and effectively control the growth process of gastric cancer. The siRNA provided by the present invention or the nucleic acid construct containing the siRNA sequence, lentivirus can specifically inhibit the proliferation rate of gastric cancer cells, promote the apoptosis of gastric cancer cells, inhibit the cloning of gastric cancer cells, inhibit the metastasis ability of gastric cancer cells, and inhibit the growth of gastric cancer, thereby treating Gastric cancer, opening up a new direction for the treatment of gastric cancer.

The invention belongs to the field of biological medicine research, and particularly relates to application of a human DSN1 gene as a target in preparation of gastric cancer treatment drugs or gastric cancer diagnosis drugs. Through extensive and deep research, proliferation of gastric cancer cells can be effectively inhibited after expression of the human DSN1 gene is reduced by adopting an RNAi method, cell apoptosis is promoted, and the growth process of gastric cancer can be effectively controlled. The siRNA or the nucleic acid construct containing the siRNA sequence and the lentivirus provided by the invention can specifically inhibit the proliferation capacity of gastric cancer cells and inhibit the growth of gastric cancer, so that the gastric cancer is treated, and a new direction is opened up for gastric cancer treatment.

The invention relates to a method for preparing non-lead ferro-electricity film, wherein it comprises that: immerging film into water solution at 90-350Deg. C for 10-30h; splashing on upper electrode.The inventive film as Ba(Zr,Ti)O3(BZT), Ba(Ti,Sr)O3(BST), etc has warm reaction temperature, low energy consumption and wide application, while it can control reaction temperature, time, pressure, formula and pH value adjust the reaction and crystal growth. The inventive film can be used to prepare non-volatile memory, infrared detector, etc.

The invention belongs to the field of biomedical research, and specifically relates to the use of human LSM5 gene as a target in the preparation of colorectal cancer treatment drugs. After extensive and in-depth research, the present invention finds that the RNAi method can effectively inhibit the proliferation of colorectal cancer cells, promote cell apoptosis, and effectively control the growth process of colorectal cancer after down-regulating the expression of human LSM5 gene. The siRNA provided by the present invention or the nucleic acid construct containing the siRNA sequence, and the lentivirus can specifically inhibit the proliferation rate and proliferation ability of colorectal cancer cells, promote the apoptosis of colorectal cancer cells, inhibit the cloning of colorectal cancer cells, and inhibit the cloning of colorectal cancer cells. Cancer growth, so as to treat colorectal cancer, open up a new direction for the treatment of colorectal cancer.

The invention belongs to the field of biological medicine research, and particularly relates to application of a human IGFL3 gene serving as a target to preparation of gastric cancer treatment drugs or gastric cancer diagnosis drugs. Through extensive and deep research, proliferation of gastric cancer cells can be effectively inhibited after expression of the human IGFL3 gene is down-regulated by adopting an RNAi method; and the growth process of gastric cancer can be effectively controlled. siRNA or a nucleic acid construct containing the siRNA sequence and a lentivirus provided by the invention can specifically inhibit the proliferation rate of the gastric cancer cells and inhibit the growth of the gastric cancer, so that the gastric cancer is treated, and a new direction is opened up for the treatment of the gastric cancer.

The invention belongs to the field of biomedical research, and particularly relates to application of a human TTLL4 gene as a target in preparation of lung cancer treatment drugs. Results of wide anddeep research show that proliferation of lung cancer cells can be effectively inhibited, cell apoptosis is promoted and the growth process of the lung cancer can be effectively controlled after expression of the human TTLL4 gene is down-regulated by adopting an RNAi method. An siRNA or a nucleic acid construct and a lentivirus containing the siRNA sequence provided by the invention can specifically inhibit the proliferation rate of lung cancer cells, promote apoptosis of the lung cancer cells, inhibit cloning of the lung cancer cells, inhibit invasion of the lung cancer cells, inhibit metastasis of the lung cancer cells and inhibit growth of the lung cancer cells; therefore, a new direction is opened up for lung cancer treatment.

The invention belongs to the field of biomedical research, and specifically relates to the use of human GSDMB gene as a target in the preparation of bladder cancer treatment drugs. After extensive and in-depth research, the present invention finds that the RNAi method can effectively inhibit the proliferation of bladder cancer cells, promote cell apoptosis, and effectively control the growth process of bladder cancer after down-regulating the expression of human GSDMB gene. The siRNA provided by the present invention or the nucleic acid construct containing the siRNA sequence, lentivirus can specifically inhibit the proliferation rate of bladder cancer cells, promote the apoptosis of bladder cancer cells, inhibit the metastasis of bladder cancer cells, inhibit the invasion of bladder cancer cells, and inhibit bladder cancer growth, thereby treating bladder cancer and opening up a new direction for bladder cancer treatment.

The invention belongs to the technical field of preparing non-lead ferroelectric thin films by sol-gel method. The low-temperature preparation method of the alcohol-heat assisted ferroelectric thin film of the present invention is as follows: immerse the coated thin film in an alcohol solution at 120-300 DEG C for 10-30 hours at a pressure of 2-5 MPa, and then sputter the upper electrode. The alcohol thermal reaction condition of the present invention is relatively mild, the range of temperature adjustment is relatively wide, and the energy consumption is low. The reaction and crystal growth process can be effectively controlled by adjusting the reaction temperature, time and pressure, the composition of the solution and the pH value of the solution, so as to obtain the ideal material. At the same time, it effectively avoids the phenomenon of composition gradient and composition unevenness caused by the traditional direct use of hydrothermal method to prepare ferroelectric thin film on titanium substrate at low temperature, so as to effectively improve the material performance.

The invention belongs to the field of biological medicine research, and particularly relates to application of a human SUN3 gene serving as a target to preparation of gastric cancer treatment drugs or gastric cancer diagnosis drugs. Through extensive and deep researches, proliferation of gastric cancer cells can be effectively inhibited, cell apoptosis can be promoted and the growth process of gastric cancer can be effectively controlled after the expression of the human SUN3 gene is down-regulated by adopting an RNAi (Ribonucleic Acid Interfere) method. The siRNA or the nucleic acid construct containing the siRNA sequence and the lentivirus provided by the invention can specifically inhibit the proliferation capacity of gastric cancer cells and inhibit the growth of gastric cancer, so that the gastric cancer is treated, and a new direction is opened up for gastric cancer treatment.

The invention, which belongs to the field of biomedical research, particularly relates to application of a human LSM5 gene as a target in preparation of a colorectal cancer treatment drug. The wide and deep research discovers that the proliferation of colorectal cancer cells can be effectively inhibited and the apoptosis can be promoted by reducing the expression of the human LSM5 gene based on anRNAi method, thereby effectively controlling the growth process of colorectal cancer. According to the invention, the siRNA or the nucleic acid construct containing the siRNA sequence and the lentivirus can specifically inhibit the proliferation rate and proliferation capacity of colorectal cancer cells, promote apoptosis of the colorectal cancer cells, inhibit cloning of the colorectal cancer cells and inhibit growth of the colorectal cancer cells, so that the colorectal cancer is treated and a new direction is opened up for colorectal cancer treatment.