摘要：本发明属于土壤‑地下水修复技术领域，具体涉及一种同步去除地下水中氯代烃和六价铬的铁基生物炭复合材料及其制备方法和应用。本发明通过优选富含孔隙的农业秸秆废弃物，采用一步碳还原法简化铁基生物炭复合材料制备流程，利用生物炭的孔隙结构，分散纳米零价铁，有效解决纳米零价铁的团聚问题，提高铁基生物炭复合材料的还原能力和持续电子转移能力，实现铁基生物炭复合材料对六价铬和氯代烃的持续修复。

摘要：【中文】针塞撞击式喷射点胶阀，属机械技术领域。主要构造包括：支架体、撞针、喷嘴、控制电缆、供液腔、撞针塞部、供液口；连接关系为：支架体固定着供液腔、喷嘴、电磁铁或气缸或压电陶瓷等位移驱动元件，来驱动撞针往复撞击喷嘴喷口；喷嘴喷口分为下部的喷口密闭段及上部的喷口导向段：而喷口导向段是具有导向构造，该构造是带有锥状倒角形状的开口或是开有通向供液腔的补液开口，撞针杆部与撞针塞部的塞杆结合部直径要大于撞针塞部的直径，也就是喷口导向段柱面的直径大于撞针塞部的直径；整个过程全都是撞针与胶体的直接冲撞作用，在本发明的技术路线下，制造成本及使用成本都将极大地下降。 【EN】A needle plug impact type injection dispensing valve belongs to the technical field of machinery. The main structure includes: the bracket comprises a bracket body, a firing pin, a nozzle, a control cable, a liquid supply cavity, a firing pin plug part and a liquid supply port; the connection relationship is as follows: the bracket body is fixed with displacement driving elements such as a liquid supply cavity, a nozzle, an electromagnet or an air cylinder or piezoelectric ceramics and the like to drive a firing pin to impact a nozzle orifice of the nozzle in a reciprocating manner; the nozzle spout is divided into a spout sealing section at the lower part and a spout guiding section at the upper part: the nozzle guide section is provided with a guide structure which is an opening with a tapered chamfer shape or a liquid supplementing opening leading to the liquid supply cavity, the diameter of the combining part of the firing pin rod part and the firing pin plug part is larger than that of the firing pin plug part, namely the diameter of the cylindrical surface of the nozzle guide section is larger than that of the firing pin plug part; the whole process is the direct collision action of the firing pin and the colloid, and the manufacturing cost and the use cost are greatly reduced under the technical route of the invention.

摘要：【中文】印刷转移式光固化三维彩色打印技术及装置，属机械—光电技术领域。必要构造包括：电子控制系统、机械运动系统、支持壳体、多喷嘴喷墨打印头，包含用于生成成型物件的成型物料喷嘴及用于生成支撑的支撑材料喷嘴或仅仅使用成型物料喷嘴，每类喷嘴的喷孔数量不少于1个、成型物件升降台；用了印刷切层过程、切层对位过程及转移固化过程；完成了一个切层的建造过程；周而复始重复上述过程，印刷切层过程‑‑‑切层对位过程‑‑‑‑转移固化过程；透明基板的非喷涂印刷切层的背面对当前印刷切层进行光固化照射，成型物件就会被一次次的加高生长在升降台上，最终完成了整个物件的打印，最终生成单色或彩色的高精度三维打印品。 【EN】A printing transfer type photocuring three-dimensional color printing technology and a device belong to the technical field of machinery-photoelectricity. The necessary configurations include: the multi-nozzle ink-jet printing head comprises a molding material nozzle for generating a molded object and a supporting material nozzle for generating support or only using the molding material nozzle, wherein the number of spray holes of each type of nozzle is not less than 1, and the molded object lifting platform is arranged on the supporting material nozzle; a printing layer cutting process, a layer cutting alignment process and a transfer curing process are used; completing the construction process of a cutting layer; repeating the processes repeatedly, printing the cutting layer, aligning the cutting layer, and transferring and curing; the back of the non-spraying printing cutting layer of the transparent substrate carries out photocuring irradiation on the current printing cutting layer, and the formed object can be heightened and grown on the lifting table one time and again, so that the printing of the whole object is finally completed, and a monochromatic or colored high-precision three-dimensional printed product is finally generated.

摘要：【中文】本发明公开了井下长电缆直流电机PWM启动算法，根据电缆长度输入启动模式MD，换算电机初始启动能量,循环周期数Z控制单周期循环数和启动时间，单周期循环数由多到少，PWM均值由小到大，能量积累越多，启动时总线波动越平稳，对系统安全可靠性越高。该算法可以实现高效率、低内阻电机在长电缆条件下平稳快速启动，满足5000米长电缆条件下电机快速平稳启动，算法和逻辑可靠，可推广至同类型应用环境的低内阻电机启动。 【EN】The invention discloses a PWM (pulse-width modulation) starting algorithm for a downhole long-cable direct-current motor, which is characterized in that a starting mode MD is input according to the length of a cable, the initial starting energy of the motor is converted, the cycle number Z controls the single-cycle number and the starting time, the single-cycle number is from high to low, the PWM mean value is from low to high, the energy accumulation is more, the bus fluctuation is more stable during starting, and the safety and reliability of a system are higher. The algorithm can realize the stable and quick start of the motor with high efficiency and low internal resistance under the condition of a long cable, meets the requirement of the quick and stable start of the motor under the condition of a cable with the length of 5000 meters, has reliable algorithm and logic, and can be popularized to the start of the motor with low internal resistance in the same type of application environment.

摘要：【中文】本发明涉及医疗护理设备领域，尤其是涉及一种用于医院诊所、疗养机构、家庭等护理场所的行动能力差、行走不便及瘫痪、腿脚受伤的人起身及转移的医疗护理病人转运装置的结构设计。主要包括底部固定架(8)的两侧设有扶手管(1)，扶手管(1)连接座板(6)，底部固定架(8)的中部两侧设有液压升降杆(7)，液压升降杆(7)连接连接管(5)，升降杆(10)与液压升降杆(7)连接。本发明的转运机装置易于操作，可实现快速便捷地帮助患者进行起身、穿脱裤子、转移等行动，减轻了护理人员的负担，同时提高患者在起身和移动时的安全及舒适性。 【EN】The invention relates to the field of medical care equipment, in particular to a structural design of a medical care patient transfer device which is used for rising and transferring patients with poor mobility, inconvenient walking, paralysis and leg and foot injuries in nursing places such as hospital clinics, nursing institutions and families. The multifunctional chair mainly comprises a bottom fixing frame (8), wherein handrail tubes (1) are arranged on two sides of the bottom fixing frame (8), the handrail tubes (1) are connected with a seat plate (6), hydraulic lifting rods (7) are arranged on two sides of the middle of the bottom fixing frame (8), the hydraulic lifting rods (7) are connected with a connecting pipe (5), and lifting rods (10) are connected with the hydraulic lifting rods (7). The transfer machine device is easy to operate, can help a patient to take up, put on and take off trousers, transfer and other actions quickly and conveniently, reduces the burden of nursing personnel, and improves the safety and comfort of the patient during the taking up and moving.

摘要：【中文】本发明公开一种高能硫基肥及其制备方法。本发明所述尿素颗粒包被了硫酸脲缓释膜，所述尿素颗粒与硫酸脲缓释膜之间的重量份数比为100：4～6；所述尿素颗粒主要包括以下重量份的原料：尿素30～35份、硫酸铵55～60份、肥料增效剂5～7份、长效缓释剂4～6份、四水八硼酸钠0.1～0.2份、七水硫酸锌0.1～0.2份；所述硫酸脲缓释膜中尿素与浓硫酸重量比为2.5：1。本发明产品强度高、溶解快且无残渣；不同形态的氮素合理搭配，利于产品施入土壤后的分段释放吸收；保证了产品肥效的长效性，肥料利用率得到大幅度提高。 【EN】The invention discloses a high-energy sulfur-based fertilizer and a preparation method thereof. The urea particles are coated with the urea sulfate slow-release film, and the weight part ratio of the urea particles to the urea sulfate slow-release film is 100: 4-6; the urea particles mainly comprise the following raw materials in parts by weight: 30-35 parts of urea, 55-60 parts of ammonium sulfate, 5-7 parts of a fertilizer synergist, 4-6 parts of a long-acting slow release agent, 0.1-0.2 part of sodium octaborate tetrahydrate and 0.1-0.2 part of zinc sulfate heptahydrate; the weight ratio of urea to concentrated sulfuric acid in the urea sulfate slow-release film is 2.5: 1. the product has high strength, quick dissolution and no residue; the nitrogen elements with different forms are reasonably matched, so that the sectional release and absorption of the product after being applied to the soil are facilitated; the long-acting performance of the fertilizer efficiency of the product is ensured, and the utilization rate of the fertilizer is greatly improved.

摘要：【中文】三维打印的粉末粘结毛坯的填充脱脂及压实烧结方法，属于机械及热处理技术领域，可以单独被使用；填充脱脂对物件进行保形脱脂；压实烧结工艺需要预先对(工件)毛坯进行轴线方向的线性拉伸放大的预拉伸处理：在与轴线垂直的方向上由于毛坯与砂体的体积压缩比差异，这种横向位移是存在唯一位移解的，这种可预测性就允许进行预位移处理；也就是在制作毛坯时，除了进行轴线方向的预拉伸处理外，沿着横向进行预位移处理，经过预拉伸及预位移处理的毛坯已经偏离了目标物件的形状，当活塞沿着轴线方向的压缩位移与预拉伸位移相等时，预位移也将反向复原，毛坯的尺寸才被压缩并恢复到需要的尺寸。 【EN】A filling degreasing and compacting sintering method for a three-dimensional printed powder bonding blank belongs to the technical field of machinery and heat treatment, and can be used independently; filling and degreasing to perform shape preservation and degreasing on the object; the compaction and sintering process needs pre-stretching treatment of linear stretching and amplifying in the axial direction on a blank (workpiece) in advance: the transverse displacement is a unique displacement solution in the direction perpendicular to the axis due to the volume compression ratio difference of the blank and the sand body, and the predictability allows pre-displacement treatment; that is, when the blank is manufactured, in addition to the pre-stretching treatment in the axial direction, the pre-displacement treatment is performed along the transverse direction, the blank subjected to the pre-stretching and pre-displacement treatment already deviates from the shape of the target object, when the compression displacement of the piston along the axial direction is equal to the pre-stretching displacement, the pre-displacement is also restored reversely, and the size of the blank is compressed and restored to the required size.

摘要：【中文】本发明公开了一种基于实时抑制背景溢色的纯色背景抠像合成方法，涉及视频图像处理技术领域，本发明包括利用抠像算法提取输入的视频图像Input_img的alpha通道图alpha；根据alpha通道图alpha和输入的视频图像Input_img计算得到前景图foreground_img；识别前景图foreground_img中被背景溢色的前景像素，利用三原色成色原理，改变被背景溢色的前景像素的背景色通道值，恢复该前景像素的像素值，得到恢复前景图fore_img；利用经典合成算法结合恢复前景图fore_img、待合成背景图background_img和alpha通道图alpha完成初步合成，得到初步合成图C_init；对恢复前景图fore_img进行前背景边缘处理，得到合成边缘图edge_img；利用修复公式结合合成边缘图edge_img和初步合成图C_init得到最终合成图C_final，本发明具有能较好地去除背景溢色，同时合成时前背景边缘过渡更自然的优点。 【EN】The invention discloses a pure-color background matting and synthesizing method based on real-time background color overflow inhibition, which relates to the technical field of video image processing_imgAlpha channel map alpha of (1); according to the alpha channel diagram alpha and the Input video image Input_imgCalculating to obtain a foreground image forego_img(ii) a Identifying foreground map forkround_imgChanging the background color channel value of the foreground pixel with middle background color overflow by using the three primary colors color forming principle to recover the foreground pixelObtaining the pixel value of the pixel to obtain a restored foreground image for_img(ii) a Restoration of foreground image form by using classical synthesis algorithm in combination_imgBackground image to be synthesized background_imgAnd completing the initial synthesis with the alpha channel graph alpha to obtain an initial synthesis graph C_init(ii) a For restoring foreground image for_imgProcessing the front background edge to obtain a composite edge map edge_img(ii) a Edge graph edge synthesis using a repair formula_imgAnd a preliminary synthetic chart C_initObtaining the final synthetic image C_finalThe invention has the advantages of better background color removal and more natural transition of the front background edge during synthesis.

摘要：【中文】三维打印专用的斜盘旋转切换式多喷头挤出装置；属于机械构造领域；本发明给出一种通过熔料转盘与送料喉管柱体之间夹着隔热构件(选用)，通过与壳体固定构造刚性连接静止的轴承座兼支架支持送料喉管柱体能在轴承座兼支架内部绕其轴线自由转动；转动送料喉管柱体的转动轴(轴线)，并切换使用其中一个喷口位于最低位置垂直指向打印平台的喷口，选用顶针的接触盘与推针卡件的接触作用来推动顶针阻塞或开放通道；具有换色迅捷，多喷头之间绝无串色，切换喷头对位精准等优点，可以被广泛用于FDM‑3D打印机中。 【EN】A swash plate rotary switching type multi-nozzle extrusion device special for three-dimensional printing; belonging to the field of mechanical construction; the invention provides a method for clamping a heat insulation component (selected) between a melt turntable and a feeding throat pipe column body, and supporting the feeding throat pipe column body to freely rotate around the axis of the feeding throat pipe column body in the bearing seat and support through the bearing seat and support which are rigidly connected with a shell fixing structure and are static; rotating a rotating shaft (axis) of a feeding throat pipe cylinder, switching to use a nozzle of which the lowest position is positioned and which vertically points to the printing platform, and pushing the ejector pin to block or open a channel by the contact action of a contact disc of the ejector pin and an ejector pin clamping piece; the method has the advantages of quick color change, no color cross among multiple spray heads, accurate alignment of the switching spray heads and the like, and can be widely used in FDM-3D printers.

摘要：【中文】本发明公布了基于自动封口技术的垃圾袋打包及辅助套袋装置，它包括支架，支架设置为Z字型；支架的底端设置有支撑板，支撑板包括板体，板体上设置有第一通槽，第一通槽内设置有夹持装置，夹持装置的上端通过拉手组件与支架连接，拉手组件的底端与支架活动设置；支撑板的下端通过固定板分别设置有束紧装置和涂胶装置；支撑板的侧端设置有固定架，固定架上活动设置用于垃圾袋与垃圾桶壁贴合的辅助装置。本发明提供基于自动封口技术的垃圾袋打包及辅助套袋装置，能够快速、大批量地对垃圾桶内的垃圾袋自动回收打包并封口，解决了现有的垃圾袋在回收的过程中脏乱的现象，同时还能辅助垃圾袋再次套袋。 【EN】The invention discloses a garbage bag packing and auxiliary bagging device based on an automatic sealing technology, which comprises a bracket, wherein the bracket is arranged in a Z shape; the bottom end of the support is provided with a support plate, the support plate comprises a plate body, a first through groove is formed in the plate body, a clamping device is arranged in the first through groove, the upper end of the clamping device is connected with the support through a handle assembly, and the bottom end of the handle assembly is movably arranged with the support; the lower end of the supporting plate is respectively provided with a tightening device and a gluing device through a fixing plate; the side of backup pad is provided with the mount, and the activity sets up the auxiliary device who is used for disposal bag and garbage bin wall laminating on the mount. The invention provides a garbage bag packaging and auxiliary bagging device based on an automatic sealing technology, which can be used for rapidly and automatically recycling, packaging and sealing garbage bags in a garbage can in large batch, solves the problem that the conventional garbage bags are messy in the recycling process, and can be used for assisting the garbage bags in bagging again.