摘要:
It is an object of the present invention to provide a water pipe network renewal management system for individual water service providers to more flexibly develop a renewal plan for a water pipe. Provided is a water pipe network renewal management system for supporting a renewal plan of a water pipe, including: a water pipe information registration means that registers water pipe information having pipe type information, laying place information, laying years information, and leakage information on a water pipe; an evaluation item registration means that updates an evaluation item for calculating a priority of renewing for a plurality of pieces of information included in the water pipe information; a calculation means that calculates evaluation information indicating the priority of each water pipe based on the water pipe information and the evaluation item; a list output means that outputs a list of the water pipe information with which the calculated evaluation information is associated.
摘要:
The present invention generally relates to microfluidic droplets and, in particular, to multiple emulsion microfluidic droplets. In one set of embodiments, multiple emulsion droplets are provided, where an inner shell of the droplet is relatively thin, compared to the outer shell (or other shells) of the droplet. For instance, in one set of embodiments, the inner droplet has an average thickness of less than about 1000 nm. In some cases, the inner shell may be rigidified, e.g., to form a gel or a polymeric layer. This may be useful, for example, for preventing coalescence of fluids within the microfluidic droplet. Other embodiments of the present invention are generally directed to methods of making such droplets, methods of using such droplets, microfluidic devices for making such droplets, and the like.
摘要:
The present invention relates to a water level switch device and a water level detection and control method. A water level switch device comprises a main control board, a water container, a water feeding pipe communicated with the water container, and a water feeding valve provided on the water feeding pipe, the water feeding valve being communicated with a water supply source, wherein a water level switch is further provided inside the water container; the water level switch is fixedly arranged inside the water container, and each of selectable water levels inside the water container corresponds to one of detection sites of the water level switch; the main control board comprises an MCU, a liquid crystal screen used for displaying a current water level parameter and a water level parameter setting page, and a control button used for setting a desired water level, and the control button, the liquid crystal screen, the water level switch and the water feeding valve are all connected to the MCU by signal lines.
摘要:
A method of measuring a molecular rate of gas flow from an upstream source of gas at a pressure higher than a pressure of a destination includes flowing the gas through an upstream valve into a cavity of known volume, then through a restrictor element before proceeding to the destination, controlling the upstream valve to vary a flow rate of the gas through the upstream valve in a determined manner such that its average pressure in the cavity correlates with an average level of gas flow and such that variations in pressure in the cavity induced by varying the flow rate of gas through the upstream valve in the determined manner induce instantaneous pressure variations smaller than 30% of the average pressure in that cavity; and using the variations in the pressure in the cavity associated with varying the flow rate of gas through the upstream valve in the determined manner to determine the molecular rate of gas flow to the destination in real time.
摘要:
According to one embodiment, a water treatment control apparatus (13) generates an indication to a water treatment facility (10) referring to conditions including a drought status and a water treatment cost at the water treatment facility (10). The indication indicates a type of water to be taken by the water treatment facility (10) between a plurality of types of water including river water from rivers, rainwater, r and waste water used by a customer.
摘要:
A method of taking water according to one aspect of the present invention includes determining a first position based on a temperature distribution in a predetermined measuring range under water, and adjusting a water intake position to make the water intake position identical to the first position.