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申请号:201810972707.7 公开号:CN110857443A 主分类号:C12P7/02
摘要:【中文】本发明涉及肌醇的酶催化制备领域,具体的说是一种纤维素完全磷酸解生产肌醇的酶法制备方法。本发明所公开的肌醇的制备方法是以预处理过的纤维素(主要成分为纤维多糖)为酶催化反应的底物;采用纤维多糖磷酸化酶、纤维二糖磷酸化酶、聚磷酸葡萄糖激酶、葡萄糖磷酸变位酶、肌醇‑1‑磷酸合成酶和肌醇单磷酸酶催化纤维多糖完全磷酸解转化为肌醇。通过优化多酶反应过程,分阶段控制反应过程温度,显著提升底物的转化效率和肌醇的产率,缩短了反应时间。该技术方法实现了纤维素底物的完全磷酸解,还可以用于其他体外多酶反应体系催化纤维多糖产氢气、产电或生产其他生物基化学品。 【EN】The invention relates to the field of enzyme-catalyzed preparation of inositol, in particular to an enzymatic preparation method for producing inositol by completely phosphorylating cellulose. The preparation method of the inositol disclosed by the invention takes pretreated cellulose (the main component is cellopolysaccharide) as a substrate of enzyme catalytic reaction; the complete phosphorylation conversion of the fibrous polysaccharide into inositol is catalyzed by fibrous polysaccharide phosphorylase, cellobiose phosphorylase, polyphosphoric acid glucokinase, glucose phosphoglucomutase, inositol-1-phosphate synthase and inositol monophosphate enzyme. By optimizing the multienzyme reaction process and controlling the temperature of the reaction process in stages, the conversion efficiency of the substrate and the yield of inositol are obviously improved, and the reaction time is shortened. The technical method realizes the complete phosphorolysis of the cellulose substrate, and can also be used for catalyzing fibrous polysaccharide to produce hydrogen and electricity or produce other bio-based chemicals by other in-vitro multi-enzyme reaction systems.
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申请号:201810973696.4 公开号:CN110857444A 主分类号:C12P7/18
摘要:【中文】本发明公开了一种利用微生物全细胞和/或其裂解液催化肌肉肌醇制备鲨肌醇的方法,包括构建表达耐热肌肉肌醇脱氢酶和/或耐热鲨肌醇脱氢酶基因的工程菌,并将工程菌进行细胞膜通透性处理和/或破碎,然后利用透性工程菌或其裂解液将肌肉肌醇转化为鲨肌醇。本发明的方法与现有生产鲨肌醇的方法相比,具有生产工艺简单、生产成本低、产率高等优点。 【EN】The invention discloses a method for preparing scyllo-inositol by catalyzing myoinositol with whole cells of microorganisms and/or lysate thereof, which comprises the steps of constructing engineering bacteria for expressing thermotolerant myoinositol dehydrogenase and/or thermotolerant scyllo-inositol dehydrogenase genes, carrying out cell membrane permeability treatment and/or disruption on the engineering bacteria, and then converting the myoinositol into the scyllo-inositol by utilizing the permeable engineering bacteria or the lysate thereof. Compared with the existing method for producing scyllo-inositol, the method of the invention has the advantages of simple production process, low production cost, high yield and the like.
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申请号:201811160130.6 公开号:CN110964757A 主分类号:C12P7/58
摘要:【中文】本发明公开了一种“一锅‑两步”酶催化法由肌醇制备葡萄糖二酸的方法,包括利用肌醇氧化酶催化肌醇生成中间体葡萄糖醛酸,继而利用醛酸脱氢酶将中间体葡萄糖醛酸转化为葡萄糖二酸。本发明的方法与现有生产葡萄糖二酸的方法相比,具有生产工艺简单、绿色友好、产率高、易于规模化制备等优点。 【EN】The invention discloses a method for preparing glucaric acid from inositol by a one-pot-two-step enzyme catalysis method, which comprises the steps of catalyzing inositol by using inositol oxidase to generate intermediate glucuronic acid, and then converting the intermediate glucuronic acid into glucaric acid by using aldehyde dehydrogenase. Compared with the existing method for producing glucaric acid, the method provided by the invention has the advantages of simple production process, environmental friendliness, high yield, easiness in large-scale preparation and the like.
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申请号:201911347709.8 公开号:CN111007694A 主分类号:G03F1/26
摘要:【中文】本发明公开了一种集成电路用相移掩模制造方法,依据客户设计的图形,将图形数据转换成掩模曝光设备能识别的格式,利用掩模曝光机曝光于附有感光材料的掩模基板,经显影刻蚀制程使其表面产生透光与不透光的逻辑图形的过程;依次包括以下步骤:第一次曝光、烘烤、第一次显影、第一次铬蚀刻、第一次去胶、相移层蚀刻、第一次涂胶、监控图形曝光、第二次显影、第二次铬蚀刻、第二次去胶、监测图形相位角、评估计算相移层加蚀刻时间、第二次涂胶、第二次曝光、第三次显影、第三次铬蚀刻、第三次去胶、清洗、图形检测、贴膜、颗粒检测、包装出货。本发明能够克服现有流程最终曝光去除主图形金属铬后相位角超规格要求造成报废。 【EN】The invention discloses a method for manufacturing a phase shift mask for an integrated circuit, which comprises the steps of converting graphic data into a format which can be identified by mask exposure equipment according to a graphic designed by a customer, exposing a mask substrate attached with a photosensitive material by using a mask exposure machine, and generating a transparent and opaque logic graphic on the surface of the mask substrate by a developing and etching process; the method sequentially comprises the following steps: the method comprises the following steps of first exposure, baking, first development, first chromium etching, first photoresist stripping, phase shift layer etching, first photoresist coating, monitoring pattern exposure, second development, second chromium etching, second photoresist stripping, monitoring pattern phase angle, evaluating and calculating the etching time of the phase shift layer, second photoresist coating, second exposure, third development, third chromium etching, third photoresist stripping, cleaning, pattern detection, film pasting, particle detection, packaging and delivery. The invention can overcome the defect that the phase angle exceeds the specification requirement after the main graphic metallic chromium is removed by final exposure in the prior process.
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申请号:202010142593.0 公开号:CN111226703A 主分类号:A01G22/00
摘要:【中文】本发明公开了一种菱角冬春栽培方法,属于菱角种植技术领域。通过本发明的菱角冬春保护地促早熟栽培方法,菱角育苗时间可提前2个月左右,出苗率达98%,通过大棚设施栽培,移栽、采收均可提前2个月左右,产量明显增加。有效解决了菱角冬春催芽、生根、长叶的技术难题,实现了早春保护地的促早熟栽培。 【EN】The invention discloses a method for cultivating water caltrops in winter and spring, and belongs to the technical field of water caltrop planting. By the method for cultivating the water caltrops in the winter and spring protected land to promote the early ripening, the seedling raising time of the water caltrops can be advanced by about 2 months, the rate of emergence reaches 98%, transplanting and harvesting can be advanced by about 2 months through greenhouse facility cultivation, and the yield is obviously increased. The technical problems of germination acceleration, rooting and leaf growing of the water caltrops in winter and spring are effectively solved, and the early maturing cultivation of the early spring protected land is realized.
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申请号:202010059806.3 公开号:CN111135047A 主分类号:A61H15/00
摘要:【中文】本发明公开了一种老年人用消化科用胃肠胀气治疗装置,属于医疗辅助器械技术领域,其包括固定板,所述固定板的上表面通过四个螺栓与防护壳的下表面固定连接,所述防护壳内壁的上表面固定连接有驱动装置,所述驱动装置与齿圈啮合,所述齿圈卡接在筒体的外表面,所述筒体的外表面套接有轴承。该老年人用消化科用胃肠胀气治疗装置,通过连接带、第一魔术贴、第二魔术贴、电机、主动齿轮、齿圈和万向轮之间的相互配合,从而使得本装置可以自动化对老年人胃部进行胀气疏导按摩治疗的工作,提高了工作的效率,且节省了体力,同时本装置占用空间小,结构简单,成本较低,方便老年人家庭使用的工作,进一步提高了本装置的实用性。 【EN】The invention discloses a flatulence treatment device for old people in gastroenterology, which belongs to the technical field of medical auxiliary instruments and comprises a fixed plate, wherein the upper surface of the fixed plate is fixedly connected with the lower surface of a protective shell through four bolts, the upper surface of the inner wall of the protective shell is fixedly connected with a driving device, the driving device is meshed with a gear ring, the gear ring is clamped on the outer surface of a cylinder body, and the outer surface of the cylinder body is sleeved with a bearing. This old person pastes, the second magic is pasted, motor, driving gear, ring gear and the mutual cooperation between the universal wheel through connecting band, first magic to make this device can automize and carry out the work that the flatulence dredges the massage treatment to old person's stomach, improved the efficiency of work, and saved physical power, this device occupation space is little simultaneously, simple structure, the cost is lower, make things convenient for the work that old person's family used, the practicality of this device has further been improved.
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申请号:201911236750.8 公开号:CN110897596A 主分类号:A61B1/04
摘要:【中文】本发明公开了一种自动调节胶囊拍摄速率的方法、胶囊式内窥镜、胶囊记录仪、及内窥镜系统。该方法包括如下步骤:获取胶囊当前拍摄的图片;获取当前胶囊拍摄图片与前一幅拍摄图片的相似度值,根据相似度值调节胶囊拍摄速率,具体过程为:判断相似度值是否低于相似度阈值,若相似度值低于相似度阈值,控制胶囊以第二拍摄速率持续拍摄时间T,若相似度值不低于相似度阈值,控制胶囊以第一拍摄速率拍摄;第二拍摄速率大于第一拍摄速率,T>0。能够自动合理地设置胶囊拍摄速率,在胶囊静止不动或运动缓慢时,以较慢帧率采集图片,可省电,延长胶囊工作时长的目的,也可减少相似图片数量,进而降低医务人员的读片数量。 【EN】The invention discloses a method for automatically adjusting capsule shooting rate, a capsule endoscope, a capsule recorder and an endoscope system. The method comprises the following steps: acquiring a current shot picture of the capsule; the method comprises the following steps of obtaining the similarity value of a current capsule shooting picture and a previous shooting picture, and adjusting the capsule shooting speed according to the similarity value, wherein the specific process comprises the following steps: judging whether the similarity value is lower than a similarity threshold value or not, if the similarity value is lower than the similarity threshold value, controlling the capsule to continuously shoot at a second shooting speed for a time T, and if the similarity value is not lower than the similarity threshold value, controlling the capsule to shoot at a first shooting speed; the second photographing rate is greater than the first photographing rate, and T > 0. The capsule shooting speed can be automatically and reasonably set, when the capsule is still or moves slowly, pictures are acquired at a slower frame rate, electricity can be saved, the working time of the capsule is prolonged, the number of similar pictures can be reduced, and the number of the pictures read by medical staff is further reduced.
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申请号:201911300671.9 公开号:CN111128678A 主分类号:H01L21/02
摘要:【中文】本发明公开了一种去除掩模保护膜上颗粒的方法,包括以下步骤:S1、找到掩模保护膜上的颗粒位置;S2、将异丙醇或无水乙醇滴加到颗粒位置处;S3、异丙醇或无水乙醇水滴在颗粒处来回滚动,吸附并包裹在保护膜表面的颗粒与保护膜分离;S4、用无尘布将异丙醇或无水乙醇水滴吸干。本发明提供的去除掩模保护膜上颗粒的方法,采用异丙醇或无水乙醇水滴的滚动把吸附性很强的灰尘颗粒去除,代替氮气枪吹扫,避免由于氮气压力过大而损伤保护膜的透光率,步骤简单、方便实用,减少由于颗粒去除不掉带来的拆膜、清洗、检测、安装保护膜等生产工序,缩短生产周期,节约生产成本。 【EN】The invention discloses a method for removing particles on a mask protective film, which comprises the following steps: s1, finding the positions of the particles on the mask protective film; s2, dropwise adding isopropanol or absolute ethyl alcohol to the position of the particles; s3, enabling water drops of isopropanol or absolute ethyl alcohol to roll back and forth at the particles, and separating the particles adsorbed and coated on the surface of the protective film from the protective film; s4, sucking the water drops of the isopropanol or the absolute ethyl alcohol by using a dust-free cloth. According to the method for removing the particles on the mask protection film, provided by the invention, the dust particles with strong adsorbability are removed by rolling of isopropanol or absolute ethyl alcohol water drops to replace a nitrogen gun for blowing, so that the light transmittance of the protection film is prevented from being damaged due to overlarge nitrogen pressure, the steps are simple, convenient and practical, the production processes of film detachment, cleaning, detection, protection film installation and the like caused by the fact that the particles cannot be removed are reduced, the production period is shortened, and the production cost is saved.
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申请号:201911402566.6 公开号:CN111140985A 主分类号:F24F11/30
摘要:【中文】本发明涉及一种换热器的分液匹配调试装置,包括多条分液支路,每条分液支路上均设有电子膨胀阀。采用每条分液支路1上设置独立的电子膨胀阀的方式,使得每条分液支路1均能够独立地通过调整设置在其上的电子膨胀阀的开度,进行分液支路内冷媒流量的独立调整,从而实现对各条分液支路1的过热度进行独立调整。因此,通过同时调整各分液支路的过热度,能够得到在管路达到设定过热度时的分液支路1的长度关系,从而得到各分液支路1的毛细管的长度关系,避免逐条分液支路的拆装。 【EN】The invention relates to a liquid separation matching debugging device of a heat exchanger, which comprises a plurality of liquid separation branches, wherein each liquid separation branch is provided with an electronic expansion valve. The mode that each liquid separation branch 1 is provided with an independent electronic expansion valve is adopted, so that each liquid separation branch 1 can independently adjust the flow of the refrigerant in the liquid separation branch by adjusting the opening degree of the electronic expansion valve arranged on the liquid separation branch, and the superheat degree of each liquid separation branch 1 is independently adjusted. Therefore, by adjusting the superheat degree of each liquid separation branch simultaneously, the length relationship of the liquid separation branches 1 when the pipeline reaches the set superheat degree can be obtained, so that the length relationship of the capillary tubes of each liquid separation branch 1 is obtained, and the disassembly and assembly of the liquid separation branches one by one are avoided.
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申请号:201911204894.5 公开号:CN111016537A 主分类号:B60B35/00
摘要:【中文】一种驱动桥滑板座,涉及一种汽车配件,包括滑板座本体、靠板,靠板由竖板、顶板、基座一体构成,滑板座本体为向下弯曲的桥式结构,靠板的基座为向下弯曲的桥式结构;滑板座本体由弧形滑板、位于弧形滑板两底端的两翼部一体构成;基座为由横板、位于横板两侧并向下弯曲的两侧板一体构成的桥式结构,两侧板分别设有向外侧延伸的耳板;横板底面与桥壳的顶面直接贴合接触,两侧板分别与桥壳的两侧面固定连接;弧形滑板横跨在基座的横板上,且滑板座本体的两翼部分别与基座的两耳板连接,并通过定位销与基座的横板定位连接。本发明可满足整车降低滑板座高度要求,可实现桥壳附件轻量化,具有维护成本低、结构简单、装配方便的特点,易于推广使用。 【EN】A drive axle sliding plate seat relates to an automobile accessory, which comprises a sliding plate seat body and a backup plate, wherein the backup plate is integrally formed by a vertical plate, a top plate and a base; the sliding plate seat body is integrally formed by an arc-shaped sliding plate and two wing parts positioned at the two bottom ends of the arc-shaped sliding plate; the base is a bridge structure which is integrally formed by a transverse plate and two side plates which are positioned at two sides of the transverse plate and are bent downwards, and the two side plates are respectively provided with lug plates extending outwards; the bottom surface of the transverse plate is directly attached and contacted with the top surface of the axle housing, and the two side plates are respectively and fixedly connected with the two side surfaces of the axle housing; the arc slide plate stretches over the transverse plate of the base, and the two wing parts of the slide plate seat body are respectively connected with the two lug plates of the base and are connected with the transverse plate of the base in a positioning mode through the positioning pins. The invention can meet the requirement of reducing the height of the sliding plate seat of the whole vehicle, can realize the light weight of axle housing accessories, has the characteristics of low maintenance cost, simple structure and convenient assembly, and is easy to popularize and use.
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