Method for promoting water chestnut seeds to sprout and used culture medium

The invention relates to a method for promoting plant seeds to sprout, and in particular relates to a method for promoting water chestnut seeds to sprout and a used culture medium, belonging to the technical field of biology. The method for promoting the plant seeds to sprout disclosed by the invention comprises the following steps of: immersing, sterilizing and cleaning water chestnut seed teguments after peeling, transferring the obtained seeds on the culture medium, and culturing by illuminating for 8-12h every day under the illumination conditions of 26-30 DEG C and 8000-10000 Lx, wherein the culture cycle is 15-25 d. According to the invention, after the water chestnut seed teguments are peeled and removed, on one hand, the sprouting inhibition effect caused by the teguments can be reduced; on the other hand, the chestnut seeds can absorb moisture rapidly, so that the sprouting requirements are achieved; after the seeds are immersed by warm water, the seed sprouting inhibitors can ...

Rootkit detection mechanism and detection method based on kernel-based virtual machine

The invention provides a rootkit detection method based on a kernel-based virtual machine. By adopting the rootkit detection method, the types of objects attacked by rootkit are subjected to abstract classification into static code segment, static data segment, dynamic distribution function and heap space data, and different protection and detection mechanisms are provided specific to different types; while specific rootkit sensitive information is obtained through a runtime module operating in a client machine, information interaction between the kernel-based virtual machine and the client machine is realized by adding a semantic processing pathway, and by extending a corresponding page-fault exception handler and a vmcall active trap-in mechanism, the normal execution of the client machine is guaranteed under the rootkit detection mechanism. The rootkit detection mechanism and detection method, provided by the invention, can be used for effectively preventing the attack specific to static ...

Method for efficiently propagating water chestnut tissue culture seedlings

The invention discloses a method for efficiently propagating water chestnut tissue culture seedlings. According to the invention, an intermittent immersion bioreactor is used for performing propagation culture on the water chestnut tissue culture seedlings, and an intermittent immersion culturing method is used for performing propagation culture on the water chestnut tissue culture seedlings with a liquid subculture medium and a liquid rooting medium successively. The method provided by the invention can effectively prevent nutrition deposition and accumulation of harmful substances in each culture medium, thereby utilizing the nutritious components of the culture media effectively. The culture medium formula provided by the invention is suitable for propagation culture of the water chestnut tissue culture seedlings in an intermittent immersion mode. Based on the culture medium formula and under the culturing condition, the growth and the propagation rate of the water chestnut tissue culture ...

Method for resolving problem of unable outward variable transfer of executive character string under action domain limitation

The invention provides a method which aims at solving the problem that a variable in an execution character string can not be transferred to the outside due to the limitation of an effect scope and is applied to the program design of the storage process or batch processing in a relational data base based on the structured query language. In the program design, by utilizing the execution character string method, a query statement can be dynamically formed, which makes the program design more flexible; however, the execution character string has the independent scope, and the variable defined in the execution character string can not be directly transferred out of the execution character string; aiming at the problem, the method is characterized in that during the storage process or batch processing, a temporary table is established first; in the execution character string, data are inserted or updated; and outside the execution character string, the data of the temporary table are queried ...

Insecticidal composition for preventing and treating red spiders in taro field

The invention belongs to the technical field of pesticides, and particularly relates to an insecticidal composition for preventing and treating red spiders in a taro field. The invention relates to an insecticidal composition for preventing and treating red spiders in a taro field. The insecticidal composition is prepared by binary compounding of SYP-9625, cnidium lactone, sophocarpidine or cycloxaprid. The insecticidal mechanisms of the SYP-9625, the cnidium lactone, the sophocarpidine and the cycloxaprid in the insecticidal composition are different, and the SYP-9625, the cnidium lactone, the sophocarpidine and the cycloxaprid can act on pests from different acting sites when the SYP-9625, the cnidium lactone, the sophocarpidine and the cycloxaprid are compounded and applied, so that Besides, when the SYP-9625 is compounded with the cnidium lactone, the sophocarpidine or the cycloxaprid in the insecticidal composition disclosed by the invention, the cotoxicity coefficient on the taro ...

Insecticidal composition containing clothianidin amide for preventing and treating prodenia litura in taro field

The invention belongs to the technical field of pesticides, and particularly relates to an insecticidal composition containing clothianidin amide for preventing and treating prodenia litura in a taro field. The invention relates to a clothianidin-containing insecticidal composition for preventing and treating prodenia litura in a taro field. The effective components of the insecticidal composition are formed by compounding fluralan and clothianidin. When the fluralan is compounded with the tetratolfenpyrad, the methoxyfenozide, the clothianidin or the acetoprole, the co-toxicity coefficient in a certain mass ratio range is greater than 120, and a synergistic effect is shown. Therefore, the compound formula provided by the invention can improve the control effect on prodenia litura, and is beneficial to reducing the application dosage of pesticides, thereby greatly delaying the generation speed of drug properties of diseases and insect pests; meanwhile, pesticide residues and environmental ...

Screening and application of taro reference gene Ce009836

The invention relates to the technical field of plant genes, in particular to screening and application of a colocasia esculenta reference gene Ce009836. The colocasia esculenta reference gene Ce009836 is characterized in that on the basis of data obtained by performing transcript sequencing on different tissues of colocasia esculenta in the early stage of a research group, the stability of an expression quantity FPKM value is evaluated by using a variable coefficient CV, and a gene with the CV value smaller than or equal to 0.2 and the cDNA larger than or equal to 1000bp is selected as a candidate reference gene; three kinds of reference gene stability analysis software geNorm, NormFinder and BestKeeper are used for analyzing the stability of candidate reference genes in different tissues, comprehensive analysis and sorting are conducted, the taro reference gene Ce009836 is obtained, it is verified that the reference gene can be stably expressed in the different tissues such as roots, ...

Methoxyfenozide-containing insecticidal composition for preventing and treating prodenia litura in taro field

The invention belongs to the technical field of pesticides, and particularly relates to a methoxyfenozide-containing insecticidal composition for preventing and treating prodenia litura in a taro field. The invention relates to a methoxyfenozide-containing insecticidal composition for preventing and treating prodenia litura in a taro field. The effective components of the methoxyfenozide-containing insecticidal composition are formed by compounding fluralan and methoxyfenozide, when the fluralan is compounded with the tetratolfenpyrad, the methoxyfenozide, the clothianidin or the acetoprole, the co-toxicity coefficient in a certain mass ratio range is greater than 120, and a synergistic effect is shown. Therefore, the compound formula provided by the invention can improve the control effect on prodenia litura, and is beneficial to reducing the application dosage of pesticides, thereby greatly delaying the generation speed of drug properties of diseases and insect pests; meanwhile, pesticide ...

Acetoprole-containing insecticidal composition for preventing and treating prodenia litura in taro field

The invention belongs to the technical field of pesticides, and particularly relates to an acetoprole-containing insecticidal composition for preventing and treating prodenia litura in a taro field. The invention relates to an acetoprole-containing insecticidal composition for preventing and treating prodenia litura in a taro field. The effective components of the acetoprole-containing insecticidal composition are compounded by fluralan and acetoprole. When the fluralan is compounded with the tetratolfenpyrad, the methoxyfenozide, the clothianidin or the acetoprole, the co-toxicity coefficient in a certain mass ratio range is greater than 120, and a synergistic effect is shown. Therefore, the compound formula provided by the invention can improve the control effect on prodenia litura, and is beneficial to reducing the application dosage of pesticides, thereby greatly delaying the generation speed of drug properties of diseases and insect pests; meanwhile, pesticide residues and environmental ...

Nematicidal composition for improving control effect of taro root knot nematode disease

The invention relates to the technical field of pesticides, in particular to a nematicidal composition for improving the control effect of taro root knot nematode disease. The invention discloses a nematicidal composition for improving the control effect on taro root knot nematode disease. The effective components of the nematicidal composition are compounded by lentinan and sulfoxaflor, wherein the mass ratio of the lentinan to the sulfoxaflor is (1-100): (100-1). The lentinan and sulfoxaflor in the nematicidal composition have a synergistic effect on prevention and treatment of meloidogyne incognita after being compounded, compared with a single effective component, the nematicidal composition can effectively improve the prevention and treatment effect on the taro root knot nematode disease, and support can be provided for research and development of a compound agent for preventing and treating the taro root knot nematode disease.

Fingerprint password management method and off-line fingerprint password manager

The invention discloses a fingerprint password manager, which comprises an off-line fingerprint module, a password management module and a communication module, wherein the off-line fingerprint module completes fingerprint collection and comparison and sends the result to the password management module; the password management module transmits the data to the communication module according to the result feedback; and the communication module transmits the data transmitted by the password management module out by a PS/2 protocol. In the invention, an identity authentication mode of a higher safety level can be established for the user of an information system, the system safety and the use convenience of the user can be improved, the management difficulties in safety and secrecy work can be reduced greatly, and the identity authentication of the conventional password mode can be upgraded into the fingerprint identity authentication of a higher safety level without modifying software. The ...

Screening and application of taro reference gene Ce049358

The invention relates to the technical field of plant genes, in particular to screening and application of a taro reference gene Ce049358, candidate genes are analyzed in a high expression region (FPKM), compared with a Ce047468 gene applied on the same day, the expression quantity is higher and more stable, and through analysis, the taro reference gene Ce049358 obtained by the invention can well reflect the expression characteristics of CeAGPL1 in different tissues, and can be used for preparing a reference gene for the taro. The primer can be used as a reference gene for expressing different tissues of the taro, and the designed specific primer can also provide a reference basis for subsequent taro gene expression analysis.

Method for optimizing supper-large data quantity processing ability by dynamic table name

The invention relates to a method for optimizing processing capacity of super vast data amount by using dynamic table names, which is mainly characterized by dividing super vast data amount into a plurality of tables for storing and processing, positioning tables at which data is located according to an indicator look-up table, processing data with undefined target tables by the program via a method of dynamic table names, thereby achieving the purpose of optimizing processing capacity of super vast data amount. The invention can realize processing capacity in small and medium databases equal to that in large databases.

Method for implementing data resource platform of fluid physical and chemical properties based on network

Method for implementing file user-defined format print by specific character string

The invention provides a method for realizing self-defining format printing of a file by utilizing specific character strings. The method is mainly characterized in that control commanders of a printer is expressed by specific character strings; by a compiled executable program, the specific character strings are read and translated into the control commanders which can be identified by the printer; and the control commanders are transferred to the printer, so that the aim of printing the file with the self-defining format is achieved. The method can make a user knowing nothing about programming self define the printing format, and can also greatly simplify the compiling of source codes of the printing program.

Lentinan-containing nematicidal composition for preventing and treating taro root knot nematode disease

The invention relates to the technical field of pesticides, in particular to a lentinan-containing nematicidal composition for preventing and treating taro root knot nematode disease. The invention discloses a lentinan-containing nematicidal composition for preventing and treating taro root knot nematode disease. The effective components of the lentinan-containing nematicidal composition are compounded by lentinan and thiocyclam, wherein the mass ratio of the lentinus edodes to the thiocyclam is (1-100): (100-1). The lentinan and thiocyclam in the nematicidal composition have a synergistic effect on prevention and treatment of meloidogyne incognita after being compounded, compared with a single effective component, the nematicidal composition can effectively improve the prevention and treatment effect on the taro root knot nematode disease, and support can be provided for research and development of a compound agent for preventing and treating the taro root knot nematode disease.

Parameterization design method for special-shaped multi-curved-surface single-layer latticed shell

The invention provides a parameterization design method for a special-shaped multi-curved-surface single-layer latticed shell, which comprises the following steps: S1, according to the structural characteristics of a bidirectional sine curve, adopting a straight component as a main body of the special-shaped single-layer latticed shell; s2, static design calculation is conducted on the special-shaped single-layer latticed shell through static model calculation software; s3, selecting a static design calculation result according with a design specification; s4, selecting positions where nodes of the special-shaped single-layer latticed shell are located, establishing three-dimensional solid models of the positions where the nodes are located through finite element analysis software, performing mesh generation on the three-dimensional solid models of the positions where the nodes are located, giving materials forming the three-dimensional solid models of the positions where the nodes are ...