34results about How to "Easy to use and store" patented technology

The invention discloses a fluorescence molecule probe which belongs to the technical field of chemical analysis and detection, and particularly relates to a zinc and copper molecule probe, a method for preparing the probe and the application of the probe in heavy metal ion identification and detection. As a 1-(7-acetamide-1, 8-naphthyridine)-2-(6-acetamide-pyridine)-vinyl compound, the zinc and copper ion fluorescence probe can be applied in ion detection and heavy metal ion detection for biological tissues, and has the advantages of rapidity, accuracy, convenience, good specificity and better prospect of application.

The invention relates to a functional reactive dye for a zinc ion probe, and a preparation method and application thereof. The dye has a structural formula as described in the specification. The preparation method comprises the following steps: subjecting rhodamine B and hydrazine hydrate to a heating reflux reaction so as to obtain rhodamine B hydrazide; subjecting methyl p-aminobenzoate and hydrazine hydrate to a heating reflux reaction, dissolving a product in a solvent, adding salicylaldehyde drop by drop and then carrying out a heating reflux reaction so as to obtain salicylaldehyde-4-aminobenzoyl hydrazone; and dissolving cyanuric chloride in a solvent, adding an acid binding agent, adding rhodamine B hydrazide drop by drop at a temperature in a range of -5 to 5 DEG C, carrying out a reaction under stirring so as to obtain a concentration product, dissolving the concentration product in a solvent, adding the acid binding agent, adding salicylaldehyde-4-aminobenzoyl hydrazone drop by drop and carrying out a reflux reaction with temperature controlled so as to obtain the functional reactive dye. The functional reactive dye has good selectivity on zinc ions, is convenient to use in sewage treatment and exerts good usage effect.

The invention discloses an electric maintenance lifting platform. The electric maintenance lifting platform comprises a base; the periphery of the base is uniformly hinged with four bracket rods; the top ends of the bracket rods are coated with brackets matched with the bracket rods; the inner walls on two sides of one end of the base are respectively hinged with one set of inner scissor frames, and the inner walls on two sides of the other end of the base are respectively hinged with one set of outer scissor frames; the middle parts of the inner scissor frames are hinged and matched with the middle parts of the outer scissor frames; and support rods are fixedly mounted on one side of the upper surface of the base. The electric maintenance lifting platform adopts a combination of the inner scissor frames and the outer scissor frames, is higher in stability of lifting, uses hydraulic rods as power elements, is higher in bearing capacity, is wide and large to enable the aerial operation range to become wider and to be suitable for synchronous operation by multiple persons, is convenient for storage and use through matching between a short ladder and a fence frame, can freely adjust angles between the bracket rods and the base, is convenient to fix the position of the base under various terrain conditions, is stable in operation, is high in safety, and is convenient for movement.

The invention relates to a functional active dye complexing with zinc ions and a preparation method and an application thereof. The structural formula of the functional active dye is shown in the specification. The preparation method comprises the following steps: (1) dissolving methyl p-aminobenzoate in anhydrous ethanol, dropping hydrazine hydrate, carrying out a reflux reaction and rotatably steaming to obtain p-aminobenzoyl hydrazide; then, dissolving the p-aminobenzoyl hydrazide in anhydrous ethanol, adding salicylaldehyde, heating reflux, cooling, recrystallizing and filtering to obtain salicylaldehyde-4-aminobenzoyl hydrazide; and (2) dissolving the product in acetone, heating the solution in an ice-water bath to 0-5 DEG C, then, dissolving cyanuric chloride by acetone, adding into the solution and then adding a NaHCO3 solution and stirring to react; and filtering and washing the product to obtain the functional active dye. The functional active dye provided by the invention is of good selectivity to zinc ions, is convenient and has a good using effect in sewage treatment application.

The invention relates to a composite phosphorous removal agent for the sewage treatment and a preparation method thereof. The existing chemical phosphorous removal agent mainly includes products such as polymer aluminium chloride, polymer ferric sulfate, ferric chloride and aluminum sulfate, the dosage is large, the phosphorous removal effect is poor, the phosphorous removal cost is high, and the popularization of the chemical phosphorous removal technology is severely restricted. The aluminum processing waste is placed into acid liquid to be stirred and reacted under the normal pressure, and the control temperature is 90 to 100 DEG C; ferric trichloride is added after the reaction of 2 hours, and the mixture stands to be polymerized after being stirred; the supernatant liquid is pumped into a compounding pool to prepare the ferric alumina sol solution, and the degree of alkalization is controlled at 30 to 60 percent; and when the temperature of the ferric alumina sol solution is reduced to 40 DEG C or below, quaternary ammonium salt organic polymer compound is added according to the ratio of 0.2 to 5 percent, the density is adjusted by adding water to obtain the product. The obtained special chemical phosphorous removal agent is effective after being stored for three months and has the characteristics of simple production process, convenience in use and storage, high phosphorous removal effect and low processing cost.

A heel support for elevating the heel and bony prominences of a patient's lower limbs in multiple patient orientations. The heel support includes a plurality of apertures for floating the ankles and bony prominences when the patient is positioned on her side. The heel support additionally includes one or more edge contours for floating the heel and boney prominences of the foot when the patient is positioned on her back. The heel support has a size and shape which makes it comfortable to the patient whether the patient is on her back or side. The heel support is portable and convenient to manipulate for hospital staff. A washable or disposable cover may be provided.

The invention provides a method for detecting bismuth ions by utilizing a rhodamine-type fluorescent probe. The method for detecting the bismuth ions by utilizing the rhodamine-type fluorescent probe is characterized by comprising the following steps of preparing a probe solution by utilizing the rhodamine-type fluorescent probe, adding the probe solution into to-be-detected bismuth-ion liquid, fixing a volume by utilizing a solvent, enabling an obtained mixture to stand for a period of time, detecting fluorescence intensity, and determining the content of the bismuth ions in the to-be-detected bismuth-ion liquid according to a relation between the fluorescence intensity and the concentration of the bismuth ions. A functional active dye in the method for detecting the bismuth ions by utilizing the rhodamine-type fluorescent probe has quite good selectivity for the bismuth ions, and is not only convenient but also has a better usage effect in sewage treatment application.

The invention relates to a thioureas ultraviolet probe and preparation and application thereof. A structural formula of the probe is as follows. The probe is obtained by reaction between phenyl isothiocyanate and hydrazine hydrate. The thioureas ultraviolet probe is used for detecting lead ions: preparing a probe solution, adding the probe solution into a lead ion solution to be detected, making the volume constant by utilizing a solvent, standing, detecting absorbance under the wavelength of 382nm by means of an ultraviolet-visible spectrometry, and determining the content of the lead ions in the lead ion solution to be detected according to a relationship between relative ultraviolet strength and lead ion concentration. The thioureas ultraviolet probe in the invention is solid powder which is convenient to use and store, and is obtained by direct reaction between the phenyl isothiocyanate and the hydrazine hydrate. A synthesis method is simple, the yield is high, the cost is low, and the application prospect is good.

The invention provides a method for detecting aluminum ions by using a reactive dye fluorescence probe. The method comprises the following steps: 1, dissolving the reactive dye fluorescence probe in a solvent, adding the solvent to a constant volume in order to obtain a probe stock solution, transferring the probe stock solution to a volumetric flask, and adding the solvent to a constant volume in order to obtain a probe solution; 2, dissolving an aluminum salt in the solvent, and adding the solvent to a constant volume in order to obtain an aluminum ion stock solution; 3, determining a relation between the fluorescence intensity and the aluminum ion concentration; and 4, taking an aluminum ion solution to be detected, adding the probe solution obtained in step 1 to the aluminum ion solution to be detected, adding the solvent to a constant volume, standing the obtained solution for a period of time, detecting the fluorescence intensity, and determining the content of aluminum ions in the aluminum ion solution to be detected.

The invention discloses a traditional Chinese medicine formula for treating rheumatism. The traditional Chinese medicine formula for treating rheumatism is characterized by being prepared from the following components in parts by weight: 1-6 parts of angelica, 1-6 parts of angelica sinensis, 1-6 parts of Sichuan pawpaw, 1-6 parts of rhizoma corydalis, 1-6 parts of cassia twig, 1-4 parts of rhizoma Homalomenae, 2-12 parts of medicinal cyathula root, 1-6 parts of rhizoma atractylodis, 1-6 parts of cocculus orbiculatus, 1-6 parts of salviae miltiorrhizae, 5-16 parts of flowers carthami, 2-10 parts of rhizoma cyperi and 1-6 parts of eucommia ulmoides. The traditional Chinese medicine is primarily used for treating rheumatisms and has the advantages of being convenient to store, remarkable in curative effect, free of gastrointestinal irritation, non-toxic and free of any side effects and etc.

The invention discloses a mat by means of near-infrared LED. The mat comprises the components of an LED light emitting layer of which one surface is provided with a flexible printed circuit board withat least one LED; an insulating layer which is coated to one surface of the LED light emitting layer for protecting the LED light emitting layer and has a larger thickness at the corresponding position which is equipped with the LED than the corresponding position that is not equipped with the LED; a board layer which accommodates and fixes the LED light emitting layer and the insulating layer; and a porous covering layer which covers the board layer and is made of a porous material so that light which is transmitted from the LED can pass through.

The invention discloses a vehicle isolation device, which comprises a foldable front bracket arranged between a main driving position and an auxiliary driving position of the vehicle; a rear bracket which is arranged between the front row and the rear row of the automobile and is assembled with the foldable front bracket; and an isolating membrane, one end of the isolating membrane is assembled with the foldable front bracket, and the other end of the isolating membrane is assembled with the rear bracket, so that an isolating region is defined by the main driving position of the automobile. Compared with the prior art, the isolation device for the automobile is convenient to store and good in isolation effect, automobile interior trim is prevented from being stained, and driving safety isnot affected.

The invention discloses a control arm flanging stamping die. The control arm flanging stamping die includes a control arm, a front panel, a main hole, a secondary hole, a back panel, a half hole, a semi arc, a stamping die body, an upper stamping plate, and a lower stamping plate, the front panel is arranged on the control arm, the main hole is formed in the surface of the front panel, the secondary hole is formed above the main hole, and the secondary hole and the main hole are fixedly connected with the front panel; and the hale hole is formed in the surface of the back panel, the semi arc is arranged above the half hole, the semi arc and the half hole are fixedly connected with the back panel, the stamping die body is arranged on the outer side of the control arm, the upper stamping plate is arranged on the stamping die body, and the lower stamping plate is fixedly arranged below the upper stamping plate. According to the control arm flanging stamping die, by arranging the stampingdie body with the upper stamping plate and the lower stamping plate, the production quantity of the flanging stamping die body is conveniently reduced, the storing and using are conveniently conducted, and the control arm flanging stamping die is simple in structure and easy to achieve.

The invention provides a sponge brush for cup washing. The tail end of a brush head inner core externally provided with a sponge brush body is connected with a suspensible handle bar. During use, a user can hold the handle bar with one hand and conveniently brushes and washes the inside of a cup with the brush body; when unused, the sponge brush can be suspended and stored by means of a hanging ring; the sponge brush is very convenient to use and store.

The invention provides a protection cover for automobile windshields and relates to an automobile protection accessory, in particular to protection on front and rear windows of an automobile. The protection cover for the automobile windshields consists of cord fabric, fixing straps and suckers. The fixing straps are respectively nailed at both sides of the cord fabric, and the top edge of the cord fabric is provided with the suckers. The cord fabric is of a three-layer structure, wherein an outer layer is sun-proof cloth, a middle layer is PP (propene polymer) cotton, an inner layer is cotton cloth, and the three layers are fixed by suturing. The protection cover for the automobile windshields provided by the invention has the advantages of being simple in structure, being convenient to use and store, being economical and practical, and the like.

The invention provides a rice bucket, and relates to the field of grain storage containers. The rice bucket comprises a barrel body and a vacuumizing device which are matched for use, the barrel body is sequentially provided with an open hole and an exhaust passage which are communicated with each other from inside to outside, and the barrel body is provided with a one-way valve which is used for opening and closing the open hole and can move in the exhaust passage. A good storage effect can be achieved.

The invention relates to the field of daily necessities, in particular to an air-curing frame. The air-curing frame comprises a storage disc which is arranged at one end of a main shaft and is provided with a limiting hole, and a supporting rod, wherein the two ends of the supporting rod are separately sleeved by a supporting rod of a first limiting ring and a supporting rod of a second limiting ring; and width of the limiting hole is smaller than the outer diameter of the first limiting ring and the second limiting ring. The air-curing frame provided by the invention is simple and easy to manufacture, and is convenient for air-curing use or storage.

The invention, which particularly relates to the technical field of surveying and mapping devices, discloses a portable surveying and mapping device for landscape design. The portable surveying and mapping device comprises a working column, a tape placing mechanism is arranged at the top of the working column, and a ruler placing mechanism is arranged in the middle of the working column. Accordingto the invention, with the tape placing mechanism and the ruler placing mechanism, a plurality of ruler placing grooves are formed to place scale rulers with different lengths and different units; asealing cover rotates and a graduated tape measure can be taken out from a tape measure placing groove; one end of the graduated tape is arranged in an L-shaped baffle plate, one end of the graduatedtape can be clamped through an arc-shaped baffle, so that the graduated tape can be unfolded and the user can carry out measurement through the graduated tape; only one person is needed to operate theruler, so that measurement work of the user is facilitated; the graduated tape and the scale ruler can be arranged in a classified mode through the tape placing groove and the ruler placing grooves,and the graduated ruler is convenient to store and use.

The invention discloses a suction cleaner, comprising a suction cleaner hose (1) communicated with the suction cleaner body. The top of the suction cleaner hose (1) is connected with a handle (2) with a control button. The handle (2) is connected with a detachable steel tube (3) which is connected with an external brush head. The detachable steel tube (3) is connected with a suction nozzle (4) by clamping. The left and right sides at the rear end of the suction nozzle (4) are respectively hinged with the front end of the handle (2) by a clamping hook (6). In the suction cleaner, a combined suction nozzle structure is added on the hose to form a novel hose, and the suction nozzle can be combined with the hose, thus reducing the quantity of the parts of the suction cleaner, avoiding the trouble of the user to search for the suction nozzle accessories, being convenient for the user to use and keep, improving the integrity of the suction cleaner product, bringing convenience for the user to use the suction nozzle of the suction cleaner and enhancing the use feeling of the suction cleaner user.

The invention provides a synchronous limiting opening and closing mechanism of a furniture rotary sliding door. The synchronous limiting opening and closing mechanism of the furniture rotary sliding door comprises at least two sliding rail assemblies, the at least two sliding rail assemblies at least comprise movable sliding rails and fixed sliding rails which are in sliding fit, synchronous rodsare arranged between the at least two movable sliding rails, and preassembled matching parts and disassembly and assembly parts are arranged between the synchronous rods and the at least two movable sliding rails; the synchronous rods are assembled on the at least two movable sliding rails in advance through the preassembled matching parts, and are detachably connected with the at least two movable sliding rails in a matching mode through the disassembly and assembly parts after preassembly; the at least two movable sliding rails synchronously slide on the at least two fixed sliding rails through the synchronous rods; a first matching point, a second matching point, a third matching point and a fourth matching point are formed between the synchronous rods and the at least two movable sliding rails; and acting force is formed among the first matching point, the second matching point, the third matching point and the fourth matching point when the at least two movable sliding rails are forced, and interaction is achieved through the acting force. The synchronous limiting opening and closing mechanism of the furniture rotary sliding door has high practicability through the improvementof the structure.

The invention provides a kitchen knife. A jagged cutting knife is arranged at the front portion of a knife back of a knife body of the kitchen knife. The jagged cutting knife can be used for cutting frozen meat. Due to the fact that the cutting knife special for the frozen meat and a common kitchen knife are combined into a whole, the kitchen knife is more convenient to use and store, and use functions of the kitchen knife are optimized.

The embodiment of the invention discloses a kitchen storage rack which comprises a first rack body, a second rack body, a first connecting rod arranged on the bottom end face of the first rack body and a second connecting rod arranged on the top end face of the second rack body, and the first connecting rod and the second connecting rod are telescopically connected to form a supporting rod assembly. The supporting rod assembly is supported between the first frame body and the second frame body. The kitchen storage rack has the advantage of being convenient to use.

The invention discloses a 1,8-naphthoylamido(2-R-acridinyl)thiourea silver ion probe of which the chemical structural formula is as shown in the formula (II) in the description, wherein the R group ismethyl or methoxyl. The invention also provides a preparation method of the 1,8-naphthoylamido(2-R-acridinyl)thiourea silver ion probe. The 1,8-naphthoylamido(2-R-acridinyl)thiourea prepared by the preparation method provided by the invention has very high selectively to silver ions when being used for a fluorescent probe; and furthermore, the preparation method of the 1,8-naphthoylamido(2-R-acridinyl)thiourea, provided by the invention, is simple and easy, is high in yield and low in cost and has good popularization prospects.

The invention discloses a preparation method of a retractable light mast, the retractable light mast and a sailing boat. The preparation method comprises the following steps: preparing a thermoplastic resin fiber composite material prepreg tape by using fiber tows and a thermoplastic resin film; drying the thermoplastic resin fiber composite material prepreg tape; the thermoplastic resin fiber composite material prepreg tape is laid layer by layer for multiple times in multiple directions to obtain a plurality of mutually overlapped thermoplastic resin fiber composite material prepreg tape layers, and the thermoplastic resin fiber composite material laminated plate with the set length, width and thickness is obtained through further hot press molding; the two thermoplastic resin fiber composite material laminated plates are mutually overlapped, hot-press compounding is conducted on the edge portions in the length direction, and the two thermoplastic resin fiber composite material laminated plates are formed into an integrated structure; and a cavity is formed between the two thermoplastic resin fiber composite material laminated plates of the integrated structure, and the retractable light mast with the inner cavity is obtained.

The invention discloses a movable working ladder. The movable working ladder comprises a top plate, a fixing groove and a shaft rod, arc-shaped structures are arranged on the two sides of the top plate, the length of a pedal is smaller than that of the shaft rod, the shaft rod is connected with the pedal, the pedal does not make contact with a rotary knob and a ladder frame, a binding belt is installed above the pedal and penetrates through the surface of the pedal to be connected with an electric take-up device, the electric take-up device is installed in a shell at the bottom of the pedal, the electric take-up device is connected with a controller through an electric wire, the controller is electrically connected with a remote wireless connector, and the remote wireless connector is connected with a remote controller in a wireless mode. According to the movable working ladder, the binding belts are arranged to be of an arc-shaped structure, the binding belts are made of rubber, the feet of a user can be sleeved with the binding belts, then the binding belts are controlled through the remote controller in wireless connection with the remote wireless connector, the binding belts are tightened, the feet are prevented from sliding out of the binding belts, and the feet can conveniently drive the ladder frame to move.

The invention discloses an inflatable wireless keyboard, and the keyboard comprises an inflatable wireless keyboard mechanism and an air cushion; the inflatable wireless keyboard mechanism comprises the air cushion, an inflation hole, an air plug, a supporting edge, a flexible circuit board, a charging port, a flexible battery, a metal sheet, a supporting iron frame, a supporting iron sheet and a pressure sensor, so that the shape of the inflatable wireless keyboard mechanism can be better contracted, the inflatable wireless keyboard mechanism is convenient to carry, and a user can conveniently use and store the inflatable wireless keyboard mechanism in different scenes; an inflation hole is formed in the rear portion of the right side of an air cushion, the air cushion can be conveniently inflated and unfolded through the inflation hole, an air plug is inserted into the inflation hole, and the position of the inflation hole can be conveniently sealed through an air plug, and the gas in the air cushion is not prone to leakage; a supporting edge is fixedly installed on the right side of the air cushion, and a flexible circuit board and a flexible battery can be conveniently installed in the supporting edge.

The invention provides a water cup brush. A cylindrical brush body is connected with a handle rod, and a hanging ring is arranged at the tail end of the handle rod. When the brush is used, the handle rod can be held by the hand, the brush body can be conveniently used for brushing the interior of a water cup, when the brush is not used, the brush can be suspended for storage through the hanging ring, and the water cup brush is convenient to use and store.

The invention relates to the technical field of money pots, and particularly discloses a coin sorting type coin saving pot. A coin sorting device, a storage device, a taking device and a receiving device are arranged in the saving pot body from top to bottom, coins of different specifications are sorted into the storage device through round holes of different sizes in the coin sorting device, when the coins are taken out, the coin can be pushed into the receiving device from the storage device only by pushing a push shovel through a button on the taking device, when the coins are taken out, only the receiving device needs to be taken out, the structure is compact, and the independent coin classifying sorting type saving pot has the advantages that the coins are sorted and stored in different devices, the coins can be taken and used at any time, and the coins are convenient to store and use. The combined functions of sorting, storing and taking according to needs besides the single money saving function of the saving pot are developed, the coin sorting type coin saving pot is more attractive, efficient and practical, and daily needs of users can be better met.

The invention provides compasses. A ruler which can be integrated is arranged on outer sides of two compass bars respectively. The compasses have two using functions of compasses and a ruler. The ruler is formed after the compasses are stretched into a straight state, and the compasses can be used as compasses after bent. The usage and the collecting are very convenient.