54results about How to "Solve nowhere" patented technology

The invention discloses a method for remedying heavy metal contaminated farmland soil. The method comprises the steps that firstly, in the heavy metal contaminated farmland soil, shallow contaminated soil and the deep soil which is free from heavy metal contamination are cleared and dug, and the shallow contaminated soil the and deep soil which is free from heavy metal contamination are separately and temporarily stored; secondly, the shallow contaminated soil is remedied by adding heavy metal passivant into the shallow contaminated soil; thirdly, the qualified soil remedied in the second step is backfilled to the position of the original deep soil which is free from heavy metal contamination and compacted, and the deep soil which is free from heavy metal contamination is backfilled on the qualified soil; and fourthly, the deep soil which is free from heavy metal contamination and located on the upper side is improved to be suitable for crop plantation. According to the method for remedying the heavy metal contaminated farmland soil, through combined utilization of soil turning and replacement and heavy metal passivation, the problem that edible parts of crops still cannot reach the food standard possibly after heavy metal passivation is conducted in a seriously contaminated area is solved, and the problem that the fertility of the soil is lowered when the heavy metal passivant is applied for a long time is also solved.

The invention relates to the technical field of teaching equipment, in particular to a lifting single desk for conveniently placing books. The desk includes a desk main body. The desk main body comprises a desk top and bottom beams which are symmetrically arranged under the desk top, two support rods parallel to each other are also arranged between the desk top and the bottom beams, a first draweris arranged on the lower surface of the desk top, a second drawer is arranged under the first drawer, a lifting device is arranged between the two support rods, and a book placing device is further arranged on the desk top; the desk solves the problem that a student has no place to place the books due to the excessive books by installing the book placing device, and provides the student with space for placing the books, in addition, by installing the lifting device, an unique structure can achieve the up and down movement of a bookcase, and the student can lift the bookcase according to the actual situation, which does not affect the storage of the books for the student, and does not affect the sight line of the student to view a blackboard.

The invention discloses a parking stall and relates to the field of municipal transportation technical equipment. The parking stall comprises a plurality of side-by-side shared bicycle parking and taking channels, wherein each parking and taking channel comprises a parking stall on the ground, a track close to a side of the parking stall, and a bicycle fixing mechanism arranged on the track. The parking stall solves the problem that the bicycles have no place to park or are irregularly parked on roads where road resources are insufficient. By the track, the bicycle can be parked in the air soas not to occupy ground space and greatly reduce a negative impact on city management. In addition, the bicycle is inverted on the track such that a seat is not liable to get wet even if it rains, thereby improving the comfort of the shared bicycle. The liftable parking range indicator board can directly lift the bicycle to the starting end of the track, thereby preventing the bicycle from being manually pushed to the track and achieving convenience and quickness.

The invention, which belongs to the demonstration apparatus in the technical field of the teaching appliance, discloses a full-touch intelligent excellent-image-sound-contained historical map teaching demonstration apparatus with a teaching board. The invention aims at providing a full-touch intelligent excellent-image-sound-contained historical map teaching demonstration apparatus with a teaching board, wherein the apparatus has a good image with an excellent sound. The apparatus comprises a pedestal, a support frame, and a cross bar. A display device is connected to the cross bar; and a key selection zone and an image display zone are arranged on a display panel of the display device. And a microprocessor, a key trigger module, a display card, a hard disk storage device, a loudspeaker, and a historical image display module are also arranged at the display device; the key trigger module, the display card, and the hard disk storage device are connected with the microprocessor electrically; the loudspeaker and the historical image display module are connected with the display card electrically. Besides, a teaching board is connected to the other side of the display device. The apparatus is suitable for demonstration of teaching.

The invention discloses a portable power maintenance box. The portable power maintenance box comprises a back plate, wherein a first box body and a second box body are respectively hinged with the left side and the right side of the back plate through hinges; the bottom part of the back plate is fixedly connected with a bottom plate; a support plate is fixedly connected between the two sides of aninner wall of the first box body; the inner part of the first box body and the lower part of the support plate are connected with a tool box in a sliding manner; a baffle plate is fixedly connected between the two sides of the inner wall of the first box body and is connected with the upper part of the support plate; a partition plate is fixedly connected between the rear side of the inner wall of the first box body and the baffle plate; and the top part of the support plate and the right side of the partition plate are fixedly connected with a limiting plate. The invention relates to the technical field of power maintenance equipment. The portable power maintenance box has a sufficient internal space for putting maintenance tools, so that collision and abrasion between the tools can be ensured, the maintenance box still can be carried during high-altitude operations, and thus, the maintenance box is very convenient to use, and moreover, the use comfort level of maintenance personnelcan be obviously improved.

The invention, which belongs to the demonstration apparatus in the technical field of the teaching appliance, discloses a full-touch intelligent excellent-image-sound-contained historical map teaching demonstration apparatus. The invention aims at providing a full-touch intelligent excellent-image-sound-contained historical map teaching demonstration apparatus having good images with excellent sounds. The apparatus comprises a pedestal, a support frame, and a cross bar. A display device is connected to the cross bar; and a key selection zone and an image display zone are arranged on a display panel of the display device. And a microprocessor, a key trigger module, a display card, a hard disk storage device, a loudspeaker, and a historical image display module are also arranged at the display device; the key trigger module, the display card, and the hard disk storage device are connected with the microprocessor electrically; the loudspeaker and the historical image display module are connected with the display card electrically. The apparatus is suitable for demonstration of teaching.

The invention relates to computer hardware equipment, in particular to a lifting computer display capable of storing articles, and aims at providing the computer display which can life up, drop down and have the storage function. According to the technical scheme, the lifting computer display capable of storing the articles comprises a machine base and a machine body. The lifting computer display capable of storing the articles is characterized in that the machine base comprises a bottom plate, a support pillar and a sliding groove, the support pillar is arranged in the center of the bottom plate, and the sliding groove is formed in the support pillar in an inclined mode; multiple rectangular grooves are formed in the bottom surface in the sliding groove; the machine body comprises a display screen, a bracket and a sliding block which are connected in sequence, and the sliding block is arranged at the bottom of the bracket in an inclined mode; the bottom plate is provided with a mouse box and a stationery case, the stationery case comprises an eraser box, a pencil box and an earphone box, and two protruding columns are arranged in the earphone box; two supporting hooks are arranged at the bottom end of the display screen.

The invention provides a foldable outdoor grill convenient to carry. The foldable outdoor grill convenient to carry comprises a barbecue box, a carbon installing structure, a storage structure which comprises a storage box, a drawer, a first storage groove, a second storage groove, a first slide way, a second slide way, a first roller and a second roller, a supporting structure which comprises a rotating shaft, a limiting strip, a supporting frame and a limiting block, a locking structure, a plurality of vent holes which are formed in the side wall of the barbecue box, a hinge, wherein the barbecue box and the storage box are rotationally connected through the hinge, a barbecue wire mesh, a fixing structure which is fixed in the drawer, and a plurality of dishes which are placed in the drawer. The foldable outdoor grill convenient to carry has the advantages of being convenient to carry and having the storage function.

The invention, which belongs to the demonstration apparatus in the technical field of the teaching appliance, discloses a full-touch intelligent extendible historical map teaching demonstration apparatus with a teaching board. The invention aims at providing a full-touch intelligent extendible historical map teaching demonstration apparatus with a teaching board, wherein the apparatus has a good image with an excellent sound. The apparatus comprises a pedestal, a support frame, and a cross bar. A display device is connected to the cross bar; and a key selection zone and an image display zone are arranged on a display panel of the display device. And a microprocessor, a key trigger module, a display card, a hard disk storage device, a loudspeaker, a historical image display module, and an extension interface are also arranged at the display device; the key trigger module, the display card, and the hard disk storage device are connected with the microprocessor electrically; the loudspeaker and the historical image display module are connected with the display card electrically. Besides, a teaching board is connected to the other side of the display device. The apparatus is suitable for demonstration of teaching.

The invention relates to a novel basketball stand. In order to effectively extend the function of the basketball stand and facilitate the basketball game of people, four storage boxes for storing towels, water, schoolbags and various spare articles are specially symmetrically connected with a conventional pole of the basketball stand, so that people can feel more relieved to play basketball wholeheartedly.

The invention, which belongs to the demonstration apparatus in the technical field of the teaching appliance, discloses a full-touch intelligent excellent-image-sound-contained history teaching demonstration apparatus with a teaching board. The invention aims at providing a full-touch intelligent excellent-image-sound-contained history teaching demonstration apparatus with a teaching board, wherein the apparatus has good images with excellent sounds. The apparatus comprises a pedestal, a support frame, and a cross bar. A display device is connected to the cross bar; and a key selection zone and an image display zone are arranged on a display panel of the display device. And a microprocessor, a key trigger module, a display card, a hard disk storage device, a loudspeaker, and a historical image display module are also arranged at the display device; the key trigger module, the display card, and the hard disk storage device are connected with the microprocessor electrically; the loudspeaker and the historical image display module are connected with the display card electrically. Besides, the display device is connected to the cross bar; and a teaching board is connected to the other side of the display device. The apparatus is suitable for demonstration of teaching.

The invention discloses a parking system and relates to the field of technical equipment for municipal transportation. According to the technical scheme, the parking system comprises shared bicycle parking spaces arranged on a roadside and a bicycle transfer mechanism arranged by relying on the shared bicycle parking spaces, wherein shared bicycle taking spaces are arranged on the other side of the bicycle transfer mechanism, and a bicycle clamp circulating mechanism is arranged between the shared bicycle taking spaces and the shared bicycle parking spaces. The system has the advantages that the problem is solved that there is no area to park bicycles or regularly park the bicycles in some road sections where the road resources are relatively crowded, the upper portion and the lower portion of the system can both be used for parking through arranged sliding rails and bicycle placement platforms, and road space is saved. In addition, the bicycles are inversely parked on the sliding rails at the upper ends of tracks side by side, so that saddles are also not possibly splashed wet when it rains, and the use comfort of shared bicycles is improved.

Disclosed is a humerus anterolateral bone fracture plate comprising a bone fracture plate body, the bone fracture plate body is divided into a bone fracture plate body near end, a bone fracture plate body middle section and a bone fracture plate body far end, the bone fracture plate body far end is of an inclined face structure, and the bone fracture plate body near end is provided with a near end kirschner wire hole, a near end locking hole and a near end sliding hole from top to bottom; middle section locking holes and middle section sliding holes are formed in the middle section of the bone fracture plate from top to bottom, a middle section kirschner wire hole is formed between every two adjacent middle section locking holes, and a far-end locking hole, a far-end sliding hole, a far-end lower locking hole and a far-end lower kirschner wire hole are sequentially formed in the far-end of the bone fracture plate from top to bottom. The number of the far-end locking holes is multiple, and a far-end kirschner wire hole is formed between every two adjacent far-end locking holes. The bone fracture plate is the humerus anterolateral bone fracture plate, an approach is performed from the anterior-lateral, and risks of exposing and dissociating radial nerves and the like and interference of soft tissues such as triceps brachii muscles and the like during posterior approach can be avoided.