37results about How to "Avoid pollution effects" patented technology

The invention relates to a package of light-sensitive module, which processes the electric connection of light-sensitive chip and the installment of lens base and cylinder, to avoid the effect of external contaminant; in addition, designs the opposite surface between lens base and cylinder into smooth surface, to avoid accumulating contaminant, improve yield and reduce the cost.

The invention relates to a production method of large-size chalcogenide glass. A chalcogenide glass production device used in the invention comprises a furnace body and a center console positioned outside the furnace body and used for controlling all parts to work, and the furnace body comprises a vacuum chamber and an annealing furnace with a side furnace door. After the working state parameters of all the parts of the chalcogenide glass production device are normal, a crucible on a crucible pushing rod is filled with a chalcogenide glass raw material which is prepared from germanium, antimony and selenium according to a preset molar percentage ratio, the temperature in the vacuum chamber, the temperature in the crucible and the rotating speed are adjusted in vacuum environment to fully and uniformly stir chalcogenide glass in a glassy state, and the size of a cooling die is adjusted to obtain the large-size chalcogenide glass product with high purity.

The invention relates to the technical field of ventilation cabinet illumination lamps, in particular to a laboratory ventilation cabinet LED illumination lamp set. The illumination lamp set comprisesa background lamp, a front pillar lamp, a top lamp and a power supply system, wherein an intelligent switch is arranged between the front pillar lamp and the power supply system, an intelligent switch is arranged between the top lamp and the power supply system, infrared transmitters are arranged at two sides of the lower end of a ventilation cabinet body, infrared receivers are arranged at two sides of the lower end of a sliding door, and the intelligent switches, the infrared transmitters and the infrared receivers are electrically connected with a single-chip microcomputer respectively. According to the illumination lamp set, when the infrared receivers receive signals sent by the infrared transmitters, the single-chip microcomputer receives the signals sent by the infrared receivers and controls the corresponding induction switches to turn off the front pillar lamp and the top lamp; in an experiment state, the illumination lamp set cannot perform perpendicular incidence towards the outer side of the cabinet body, so that both eyes of an experimenter are effectively protected, and the situation that light pollution influences observation of an experiment process by the experimenter is avoided; and in a non-experimenter state, only the background lamp in the illumination lamp set works, so that energy is saved.

According to the present invention there is provided a cosmetic composition comprising a cosmetically acceptable carrier and a surfactant system consisting of: (i) an anionic surfactant; (ii) an amphoteric surfactant; and (iii) a non-ionic surfactant, wherein the anionic surfactant is present in an amount of from about 0.5% to about 25% by weight of the surfactant system, wherein the amphoteric surfactant is present in an amount of from about 0.5% to about 50% by weight of the surfactant system, wherein the non-ionic surfactant is present in an amount of from about 0.5% to about 45% (e.g. 43%) by weight of the surfactant system, and wherein the total amount of the surfactant system present in the cosmetic composition is from about 1.5% to about 25% by weight of the composition.

The invention relates to a semi-automatic liquid-based cell slide processor which comprises a rotating mechanism and a slide making and dyeing mechanism, the slide making and dyeing mechanism is located on the outer side of the rotating mechanism, the slide making and dyeing mechanism comprises a sample transfer module and a dyeing module, the sample transfer module comprises a rotating unit and a lifting unit, and the lifting unit is installed on the rotating unit. A plurality of groups of slide making units are arranged on the upper side of the rotating mechanism, each slide making unit comprises a sample test tube and a cell sedimentation assembly, the sample transfer module is suitable for transferring liquid-based cells in the sample test tube into the cell sedimentation assembly, and the staining module is suitable for adding a liquid-based cell staining agent into the cell sedimentation assembly. According to the liquid-based cell slide processor, after the sample test tube, the sedimentation bin and the slide are manually placed, automatic staining and slide making can be achieved, manual guarding is not needed in the whole process, subjectivity of manual sampling and sample adding can be avoided, the high efficiency and accuracy of slide making can be improved, and large-scale high-efficiency staining and slide making are facilitated.

The invention discloses a full-automatic drug mixing machine. The full-automatic drug mixing machine comprises a transfusion bag fixed support, a layer board for placing penicillin bottles, several delivery conduits which are used for connecting transfusion bags and the penicillin bottles, a peristaltic pump connected with the delivery conduits, and a vibrator which vibrates the layer board, wherein the two ends of each of the delivery conduits are provided with puncture needles. According to the full-automatic drug mixing machine, automatic drug mixing is achieved, the drug mixing efficiency is high, a large amount of labor and time is saved, and the waste of consumable items like injectors is avoided; meanwhile, in the drug mixing process, the puncture needles do not need to be repeatedly inserted and pulled out, thus the contamination influence of particles, microorganisms and the like in air on drug liquid can be effectively avoided, and the problem of secondary contamination of drugs is solved.

The invention discloses a high-efficiency and energy-saving manganese washing process without arranging a tailing pond and polluting the environment. The mined manganese slime is broken by a manganese slime breaking machine and then is washed by a manganese slime manganese-washing machine to obtain manganese ore, the water for washing the manganese slime enters a tailing slime water collecting tank and separated through a tailing treatment machine, the clean water is reused and the slime is back filled. The invention has the advantages that: firstly, the manganese washing is locally carried out after mining the manganese ore, therefore, the link of manganese ore slime transport is reduced and the production and transportation cost is reduced; secondly, water resources are saved and the pollution to the environment is also avoided due to the recycling of the manganese washing water; thirdly, no tailing pond is required, not only the land occupation is little, but also the original potential safety hazard of production of the tailing pond is overcome and the construction investment is reduced; and fourthly, the manganese slime breaking machine is additionally arranged, therefore, the problem that the large manganese slime cannot enter the machine before or the damage to the manganese washing machine is great is solved, and the ore washing efficiency is greatly improved by 35 percent than the original process efficiency.

The invention provides a solution concentration correction device. The solution concentration correction device comprises a solution tank, a quantitative water supply device, a quantitative stock solution supply device, a solution concentration online detection device and a controller; the quantitative water supply device and the quantitative stock solution supply device are both mounted at the top of the solution tank; a liquid outlet pipe communicated with the solution tank is arranged on the solution tank, and the solution concentration online detection device is mounted on the liquid outlet pipe; the solution concentration online detection device comprises a shading shell, a transparent sampling tube, a piston assembly, a sampling head, a strong light emitting device and a light intensity receiving device; the strong light emitting device and the light intensity receiving device are oppositely arranged on two sides of the transparent sampling tube; the controller is connected with the light intensity receiving device to obtain the concentration of a detected solution; and the controller is connected with the quantitative water supply device and the quantitative stock solution supply device so as to control the water adding amount or the liquid adding amount. On-line detection and on-line correction of the concentration of the solution are achieved through cooperation of all the devices, the solution matching precision is guaranteed, and the solution correction efficiency is improved.

The invention discloses a detection device for an automatic packaging machine, which relates to the technical field of aluminum products. The detection device for an automatic packaging machine comprises a box body; a placing plate is arranged below the box body; the bottom of the box body is fixedly connected with the top of the placing plate; supporting legs are welded to the bottom of the placing plate; four groups of supporting legs are arranged; a feeding pipe is mounted on a flange at the top of the box body; the feeding pipe is communicated with the interior of the box body; a hose is installed on a flange at the top of the inner side of the box body; the hose is communicated with the interior of the feeding pipe; a conveying mechanism is arranged in the box body; a detection mechanism is arranged above the placing plate; a first baffle is welded to the inner wall of one side of the box body; and a second baffle is welded to the inner wall of the other side of the box body. Thedevice is convenient to operate, the working efficiency is effectively improved, the working performance is conveniently improved, the problems of material mixing and the like caused by manual detection errors are prevented, and the quality of detected and sorted materials is indirectly improved.

The invention provides an anti-glare film and a preparation method thereof, the film has high adhesive force and surface hardness, and is flexible, bending-resistant and easy to process. The invention protects a composite film with an anti-glare function, the composite film comprises an anti-glare layer and a plastic substrate layer with a glass transition temperature (Tg) higher than 240 DEG C, and the anti-glare film has the advantages of high particle adhesion, high surface hardness, flexibility and easy processing. The film is particularly suitable for the field of vehicle-mounted curved display screens and foldable and rollable mobile phones.

The invention relates to a rubber plug for transfusion. The rubber plug for transfusion comprises a regular polygon plug body, a through hole for inserting a liquid injection needle tube is formed in the center of the plug body, a plurality of liquid cavities for independently extracting a solution are annularly distributed around the through hole at equal intervals, and each liquid cavity is respectively communicated with a hole formed in each surface of the regular polygon plug body. The regular polygon plug body is plugged into a bottle opening of a medicine bottle, each regular polygon face of the plug body is provided with the hole, each liquid cavity formed in the plug body is communicated with the medicine bottle, and therefore medicine liquid in the medicine bottle can be extracted from the liquid cavity conveniently, meanwhile, a one-way valve is arranged in each hole, and the one-way valves are closed under the action of no external force of needle tube suction force, each liquid cavity and the medicine bottle are independent of each other, an independent sealed space is formed, the situation that liquid left after last extraction enters the medicine bottle again, and consequently next extraction is disturbed is avoided, and the mutual pollution influence during repeated extraction is avoided through relatively isolated and independent extraction.

The invention relates to an anti-pollution complex comprising an aqueous extract of Calendula, an oily extract of Calendula and an aqueous extract of Lilium candidum, to a cosmetic topical composition comprising such an anti-pollution complex and to a cosmetic process to protect the skin from the harmful effects of pollution, in particular from the harmful effects of exhaust gases and heavy metals.