摘要：【中文】本发明属于L‑丙氨酸生产技术领域，具体公开了一种L‑丙氨酸的发酵生产方法。本发明提供的L‑丙氨酸的发酵生产方法，采用一次性投料发酵工艺，将发酵所需的糖源、氮源、无机盐等一次性投入发酵罐，灭菌降温后，再移入种子，发酵培养生产L‑丙氨酸。通过对发酵条件的优化，例如提高投糖量、控制培养风量，在保证培养所需的氧气量同时，控制发酵过程中培养温度、pH值等，突破性的提高了L‑丙氨酸发酵产酸率，缩短了发酵周期。 【EN】The invention belongs to the technical field of L-alanine production, and particularly discloses a fermentation production method of L-alanine. The fermentation production method of L-alanine provided by the invention adopts a one-time feeding fermentation process, and sugar source, nitrogen source, inorganic salt and the like required by fermentation are put into a fermentation tank at one time, and after sterilization and cooling, seeds are transferred into the fermentation tank for fermentation culture to produce the L-alanine. By optimizing fermentation conditions, such as increasing sugar feeding amount, controlling culture air volume, ensuring the oxygen amount required by culture, controlling culture temperature, pH value and the like in the fermentation process, the fermentation acid production rate of L-alanine fermentation is improved in a breakthrough manner, and the fermentation period is shortened.

摘要：【中文】本说明书实施例公开了一种多层合采气井井距的确定方法、装置、设备及系统。所述方法包括确定各个小层的关联度；根据所述关联度，对单井控制的储层信息进行劈分，获得各个小层对应的劈分结果；基于所述劈分结果，获得与储层信息对应的各个小层的泄流半径；根据与储层信息对应的各个小层的泄流半径，确定相邻井的井距信息，所述井距信息包括基于储量劈分的井距信息和基于产量劈分的井距信息；根据所述井距信息，确定气井井距。利用本说明书实施例可以实时全面地对单井所在小层信息进行量化评价，从而可以科学有效的确定井距，为油田的综合调整和开发规划提供重要的理论依据。 【EN】The embodiment of the specification discloses a method, a device, equipment and a system for determining the well spacing of a multi-layer commingled production gas well. The method comprises the steps of determining the relevance of each small layer; splitting the reservoir information controlled by the single well according to the correlation degree to obtain splitting results corresponding to all the small layers; obtaining the drainage radius of each small layer corresponding to the reservoir information based on the splitting result; determining well spacing information of adjacent wells according to the drainage radius of each small layer corresponding to the reservoir information, wherein the well spacing information comprises well spacing information based on reservoir split and well spacing information based on yield split; and determining the well spacing of the gas well according to the well spacing information. By utilizing the embodiment of the specification, the information of the small layer where the single well is located can be quantitatively evaluated comprehensively in real time, so that the well spacing can be determined scientifically and effectively, and an important theoretical basis is provided for comprehensive adjustment and development planning of the oil field.

摘要：【中文】本发明涉及一种环基坑水平砂井降水疏干结构及降水疏干方法，其环基坑水平砂井降水疏干结构包括若干个环绕基坑间隔设置的竖向砂井和至少一个环绕基坑设置的水平砂井，水平砂井位于基坑所在的含水层中，水平砂井与竖向砂井相连，水平砂井还连接有若干个竖向管井，竖向管井包括滤水段和储水段，滤水段和储水段的分界线位于最下方水平砂井的底界面上或低于最下方水平砂井的底界面，储水段内设置有抽水设备。本发明在达到对基坑降水疏干目的时，采用的水平砂井结构底界面的位置很浅，其远小于垂直井点深度，从而避免抽取更多无关地下水，使因多抽取地下水、多抽取深层地下水而引发的一系列问题得到缓解，甚至得到较好的解决。 【EN】The invention relates to a dewatering and draining structure and a dewatering and draining method for a horizontal sand well of an annular foundation pit. When the invention achieves the aim of dewatering and draining the foundation pit, the position of the bottom interface of the adopted horizontal sand well structure is shallow and is far smaller than the depth of the vertical well point, thereby avoiding pumping more irrelevant underground water, relieving a series of problems caused by pumping more underground water and pumping more deep underground water, and even better solving the problems.

摘要：【中文】本发明涉及一种水下土体扩搅器，所述水下土体扩搅器固定设置在钻杆下端，所述钻杆为带芯管的双重管钻杆，所述水下土体扩搅器包括外管、内管、切削搅拌架、钻头和输浆系统，所述外管上端与钻杆固定连接，所述内管上下滑动套合在外管内下部，所述切削搅拌架圆周阵列设置在外管和内管之间，所述钻头固定设置在内管下端；一种水下扩底桩的施工方法，包括以下步骤：确定扩搅范围，确定水下土体扩搅器的尺寸，选择钻杆，配制浆液，钻直孔，进行扩搅，取土，浇灌扩底桩。本发明的目的是为了解决水下扩底时周围的无粘性土层不能自稳、容易坍塌的问题，提供一种水下土体扩搅器及水下扩底桩的施工方法。 【EN】The invention relates to an underwater soil body spreading and stirring device which is fixedly arranged at the lower end of a drill rod, wherein the drill rod is a dual-pipe drill rod with a core pipe, the underwater soil body spreading and stirring device comprises an outer pipe, an inner pipe, a cutting and stirring frame, a drill bit and a slurry conveying system, the upper end of the outer pipe is fixedly connected with the drill rod, the inner pipe is sleeved at the lower part in the outer pipe in an up-and-down sliding manner, the cutting and stirring frame is circumferentially arranged between the outer pipe and the inner pipe in an array manner, and the drill bit is fixedly arranged at the lower end of the inner; a construction method of an underwater club-footed pile comprises the following steps: determining the expansion and stirring range, determining the size of the underwater soil body expansion and stirring device, selecting a drill rod, preparing slurry, drilling a straight hole, performing expansion and stirring, taking soil and irrigating a pedestal pile. The invention aims to solve the problems that surrounding cohesionless soil layers cannot be self-stabilized and are easy to collapse during underwater bottom expanding, and provides an underwater soil body expanding stirrer and a construction method of an underwater bottom expanding pile.

摘要：【中文】本发明涉及一种扩孔空间内粗砾芯墙填充装置，包括中导管、上边导管、多个接管、管瓣座、支撑座和活动支架；所述中导管内设置有套管，中导管两侧分布上边导管，中导管和上边导管均固定设置在管瓣座上部，多个所述接管竖直向排布在中导管上部；所述支撑座下部设置有锥形底座、上部设置有导杆，所述导杆上部置于套管内滑动，导杆和套管之间设置有锁止机构；所述管瓣座和支撑座之间设置所述活动支架。一种基于扩孔空间内粗砾芯墙填充装置的充填方法，包括以下步骤：将本装置以收缩状态放入孔底；通过锁止机构将本装置以展开状态固定；向孔内投放石料，并多次提升本装置，以构筑芯墙。本发明设计合理，实现了对竖向砂井扩孔空间内粗砾芯墙的制造。 【EN】The invention relates to a gravel core wall filling device in a reaming space, which comprises a middle guide pipe, an upper guide pipe, a plurality of connecting pipes, a pipe valve seat, a supporting seat and a movable support, wherein the middle guide pipe is connected with the upper guide pipe; the middle guide pipe is internally provided with a sleeve pipe, the two sides of the middle guide pipe are distributed with upper guide pipes, the middle guide pipe and the upper guide pipes are fixedly arranged at the upper part of the valve seat, and the connecting pipes are vertically arranged at the upper part of the middle guide pipe; the lower part of the supporting seat is provided with a conical base, the upper part of the supporting seat is provided with a guide rod, the upper part of the guide rod is arranged in the sleeve to slide, and a locking mechanism is arranged between the guide rod and the sleeve; the movable support is arranged between the tube valve seat and the supporting seat. A filling method based on a coarse gravel core wall filling device in a reaming space comprises the following steps: putting the device into the bottom of the hole in a contracted state; the device is fixed in the unfolding state through a locking mechanism; and (5) putting stones into the holes, and lifting the device for multiple times to construct the core wall. The invention has reasonable design and realizes the manufacture of the coarse gravel core wall in the reaming space of the vertical sand well.

摘要：【中文】本发明涉及一种扩孔空间内砂砾石料填充装置，包括连接头、管瓣座、活动支架和支撑座，连接头固定设置在管瓣座上，管瓣座通过活动支架与支撑座连接；所述活动支架包括多个管瓣、撑杆以及多个振捣驱动器，每个管瓣均与管瓣座铰接，撑杆一端铰接在管瓣上、另一端铰接在支撑座上；所述支撑座下部设置锥形底座、上部设置导杆，导杆上端置于管瓣座内上下滑动，导杆与管瓣座之间设置有锁止机构。一种基于扩孔空间内砂砾石料填充装置的充填方法，包括以下步骤：将本装置以收缩状态放入孔底；通过锁止机构将本装置以展开状态固定；向孔内投放砂砾石料，并多次提升本装置以形成水平砂井。本发明设计合理，实现了对竖向砂井扩孔空间内砂砾石料的满填。 【EN】The invention relates to a sand gravel material filling device in a reaming space, which comprises a connector, a tube flap seat, a movable support and a supporting seat, wherein the connector is fixedly arranged on the tube flap seat; the movable support comprises a plurality of tube petals, a stay bar and a plurality of vibrating drivers, each tube petal is hinged with the tube petal seat, one end of the stay bar is hinged on the tube petal, and the other end of the stay bar is hinged on the supporting seat; the lower part of the supporting seat is provided with a conical base, the upper part of the supporting seat is provided with a guide rod, the upper end of the guide rod is arranged in the tube flap seat to slide up and down, and a locking mechanism is arranged between the guide rod and the tube flap seat. A filling method based on a sand gravel material filling device in a reaming space comprises the following steps: putting the device into the bottom of the hole in a contracted state; the device is fixed in the unfolding state through a locking mechanism; gravel is placed into the hole and the device is lifted several times to form a horizontal sand well. The invention has reasonable design and realizes the full filling of gravel materials in the reaming space of the vertical sand well.

摘要：【中文】本发明公开了一种基于信息同化融合的农业干旱评估方法，采用仿真技术模拟作物生长过程，识别农作物需水、缺水信息，利用遥感监测旱情信息和实测农作物受旱成灾信息进行同化融合，以不断更新农田水分循环模拟模型状态变量与参数，同化后的模型模拟农业干旱等级与实际旱情较好的拟合度，实现对旱情及趋势的全面监视和评估的目的。基于农田水分循环模拟与遥感、实测信息同化的农业干旱评估模型是可行的，为及时、准确识别评估农业干旱提供一种新方法，对我国旱情监测评估方面有着重要应用和推广价值。 【EN】The invention discloses an agricultural drought assessment method based on information assimilation and fusion, which adopts a simulation technology to simulate the growth process of crops, identify water demand and water shortage information of the crops, utilizes remote sensing to monitor drought information and actually-measured drought information of the crops to carry out assimilation and fusion so as to continuously update state variables and parameters of a farmland water circulation simulation model, and the assimilated model simulates the good fitting degree of the agricultural drought grade and the actual drought so as to realize the purpose of comprehensively monitoring and assessing the drought and the trend. The agricultural drought assessment model based on farmland water circulation simulation, remote sensing and actual measurement information assimilation is feasible, a new method is provided for timely and accurately identifying and assessing agricultural drought, and the method has important application and popularization values in the aspect of national drought monitoring and assessment.