42results about How to "Wide range of application conditions" patented technology

The invention provides a hydrolytic agent for treating wastewater containing tetrafluoroborate and application thereof. The hydrolytic agent consists of at least one aluminum salt and at least one water-soluble cerate. The aluminum salt is selected from alum, aluminum chloride or hydrate of the aluminum chloride, aluminum sulfate or hydrate of the aluminum sulfate, and preferable the alum; and the water-soluble cerat is selected from cerium nitrate, cerous sulfate and cerium chloride, and the preferable the cerium chloride. The hydrolytic agent disclosed by the invention is used for treating the wastewater containing tetrafluoroborate, thus the consumption of the aluminum salt contained in the hydrolytic agent can be reduced on the one hand and the concentration of the tetrafluoroborate in the hydrated wastewater can be reduced on the other hand, which provide advantages for subsequent treatment. After the wastewater is continuously precipitated by lime milk or CaOH2, the concentration of the tetrafluoroborate and the concentration of fluorinion are respectively reduced and reach the discharge stand, and thus the etrafluoroborate and the fluorinion can be directly discharged and further the subsequent treatment flow is shortened.

The invention discloses an angle adjustable multi-degree of freedom polishing machine polishing head mechanism. A power output shaft of a power output mechanism is coaxially provided with a driving helical gear. A middle helical gear frame is movably arranged on a power output shaft in a sleeving manner. The upper part of a lower support is hinged to the power output shaft in a sleeving manner. Anupper disk body is fixed to the front end of the upper part of the lower support. A middle helical gear is hinged to the lower support of the middle helical gear frame. The middle helical gear is located below the driving helical gear and is engaged with helical teeth of the driving helical gear. The two ends of a tail end helical gear frame are both provided with notches. The tail end helical gear frame is hinged to the middle helical gear frame through an angle limiting device. The tail end helical gear frame is provided with a tail end helical gear in a hinged manner. The tail end helicalgear is coaxially and fixedly connected with a polishing disk. The tail end helical gear is engaged with helical teeth of the middle helical gear. By means of the angle adjustable multi-degree of freedom polishing machine polishing head mechanism, the tail end of a polishing machine can be rotated by 360 degrees in the radial direction, the front-back angle adjusting range is up to 120 degrees, the angle adjustable multi-degree of freedom polishing machine polishing head mechanism can adapt to complex working environments and is more convenient to use and flexible, and the working efficiency is improved.

The invention discloses a winnowing machine and a winnowing method thereof and belongs to the field of crop seed impurity removal machinery. The winnowing machine comprises a draught fan and an impurity collection box and further comprises a winnowing component, a feeding hopper and a discharging hopper, wherein the winnowing component is arranged below the feeding hopper; the discharging hopper is located below the winnowing component; the draught fan is located at the left side of the winnowing component; and the impurity collection box is located at the right side of the winnowing component. The winnowing machine further comprises flying dust adsorption equipment. The flying dust adsorption equipment comprises an upper air opening, a flying dust filter bag and a flying dust collection hopper in sequence from top to bottom. The impurity collection box comprises filter plates, a heavy impurity hopper, a light impurity hopper and a flying dust outlet. The winnowing component is arranged at the left side of the upper portion of the impurity collection box. The upper portion of the impurity collection box is formed by combining the filter plates. The heavy impurity hopper and the light impurity hopper are arranged on the lower portion of the impurity collection box in sequence from left to right. The flying dust outlet is formed in the right side of the upper portion of the impurity collection box. The flying dust outlet communicates with the flying dust adsorption equipment. By means of the winnowing machine, impurities in grains can be removed; mildewed or imperfect seeds are separated from good seeds which are plump in grain; and the seeds can be stored conveniently and sold and processed conveniently at the later stage.

A active code channel detection and configurator contains a active code channel detector and an active code channel configurator wherein the active code channel detector transmit information of received data and frequency channel response estimation information to active code channel configurator, the active code channel configurator makes judgment that whether start the active code channel configurator or utilize it to output code channel configuration information. Said invention can give out active code channel information configuration before demodulating code channel information.

The invention discloses an intelligent detection and alarm system for traffic signal lights, which includes a signal light working state collector, a signal light controller working state collector, a central server / wireless mobile data transmitter, and the signal light working state collector is connected to the signal light to collect the current working state of the signal light status, and transmit it to the working status collector of the signal lamp controller; the working status collector of the signal lamp controller is set between the signal lamp and the connection line of the signal lamp controller, collects the output signal of the signal lamp controller, and compares it with the current working status of the received signal lamp; The working state collector of the signal light controller is connected to the central server through the data communication network, and the fault information is sent to the user after processing, or the working state collector of the signal light controller is connected with the wireless mobile data transmitter, and the fault information is sent to the user. The invention improves the accuracy and real-time performance of signal lamp fault detection and alarm, enhances detection means, and reports signal lamp fault more comprehensively.

The invention discloses a detection method and device for high-sensitivity and high-reproducibility surface enhanced Raman spectroscopy. The method that detection is performed repeatedly to obtain the average value is adopted, the problem of relatively high discreteness in the existing detection method is avoided, the method and the device have high reproducibility and ultrahigh analytical sensitivity, and are suitable for detection of ultratrace samples, detection results can be obtained accurately, the operation is simple, and the detection period is short. According to the method, a fine-tuning device is adopted, so that the movement of a substrate is achieved so as to perform multi-point detection, the device is simple in structure, lower in cost, and easy and convenient to operate; the method and the device provide conditions for further promoting the SERS technology to be widely used in the fields of homeland security, environmental monitoring, food safety, health care and the like.

The invention provides a heavy smoke type smoke bomb used for open occasion insects killing and disinfection, relating to smoke bomb used for insects killing and disinfection. The smoke bomb is composed of the following raw materials by weight proportion: 3-40% of main agent, 97-60% of smoke generating agent; wherein the smoke generating agent comprises the following raw materials by parts by weight: 10-30 parts of sodium nitrate, 20-60 parts of calcium bicarbonate, 5-35 parts of wood powder and 10-30 parts of iodoform; and when in preparation, the main agent and the smoke generating agent are prepared into a smoke bomb by adopting the conventional method. The pesticide of the invention has the following beneficial effects: 1, application method is simple, time and labour are saved, working efficiency is high, and smoke can be emitted out while half hour is utilized in the morning and evening; 2, no tool or medicated instrument is required; 3, safety is achieved, namely an operating person can not be poisoned as the operating person does not contact the pesticide directly when placing and igniting; 4, application condition is wide, the main agent can be various high efficiency low toxicity technical materials used for insects killing and disinfection, and the bomb can be applied to various occasions requiring insects killing and disinfection.

The invention discloses a composite modifier for a starch / polyvinyl alcohol composite material. The composite modifier comprises an inorganic metal salt and a nonionic surfactant. As a plasticizer, the inorganic metal salt improves the mechanical property of the starch / polyvinyl alcohol composite material. On one side, the nonionic surfactant has a synergic plastifying effect together with the inorganic metal salt, and on the other side, the nonionic surfactant improves the hydrolytic resistance of the starch / polyvinyl alcohol composite material; the addition amount of the inorganic metal salt and the content of a Halogen atom in a final product are reduced by virtue of the addition of the nonionic surfactant, so that the starch / polyvinyl alcohol composite material obtained is more environment-friendly. The composite modifier is suitable for the preparation of the starch / polyvinyl alcohol composite material, and the starch / polyvinyl alcohol composite material with excellent properties is prepared.

The invention relates to the technical field of N2O air pollution control, in particular to a preparation method for a porous NiO nano slice catalyst for catalyzing and decomposing N2O at a low temperature. The preparation method comprises the following steps of adding a sodium hydroxide solution into a nickel chloride solution while continuously stirring, performing hydrothermal reaction, and performing steps such as suction filtration, drying and roasting, thereby obtaining the porous NiO nano slice catalyst. The prepared catalyst has an excellent pore structure and a high specific surface area, and shows excellent low-temperature catalytic performances; the preparation method has the advantages of being simple and convenient to operate, not adding any additive, being low in cost, beingenvironmentally friendly and the like; when a roasting temperature is 300 DEG C, the specific surface area is 192m<2>g<-1>, N2O can be completely decomposed into N2 and O2 at a temperature of 300 DEGC, a N2O decomposition rate is 50% at a temperature of 230 DEG C, N2O can be efficiently catalyzed and decomposed, and the application prospect is wide.

The invention provides an application of a carboxylic acid metal salt of tetrahydrophthalic anhydride as a nucleating agent for a polypropylene beta crystal form. By adopting the carboxylic acid metal salt of tetrahydrophthalic anhydride as the nucleating agent, the generation of beta crystal form polypropylene can be induced efficiently; as tested by differential scanning calorimetry (DSC), the content of a beta crystal form is up to 86-97.7 percent; after nucleation modification by using the carboxylic acid metal salt of the tetrahydrophthalic anhydride, the punching strength of polypropylene is increased by 5-8 times, the heat deflection temperature is increased greatly, and high mechanical property is achieved; and moreover, the carboxylic acid metal salt has the advantages of chemical stability, high dispersity, coloring resistance, capability of improving the working quality of a product and wide application range in the field of materials special for polypropylene.