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Plant Research Unit - Program Overview

机译：植物研究单位 - 方案概述

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The Plant Research Unit development effort will provide a high-performance and highly versatile, controlled environment plant growth chamber for space- based variable gravity science and biotechnology investigations on the International Space Station. Temperature, humidity, atmospheric composition, lighting, and nutrient delivery are the critical parameters to control in an automated and reliable way. Access to plant material on-orbit and maintenance of the unit with minimal crew effort are other major requirements, as is a modular design allowing easy subsystem/technology change-outs so that science capability and maintainability are maximized. The Plant Research Unit (PRU) development program is based on the results of the Biomass Production System (BPS) and many other technical developments, and uses the BPS as a risk mitigation prototype for the PRU. Taking advantage of the significant team experience and learning gained in developing the BPS, several innovative improvements to plant growth chamber and environmental control design have been incorporated into the PRU.
机译：植物研究单位开发工作将提供有关国际空间站基于空间变重力科学和生物技术研究高性能和高度灵活的，受控的环境中植物生长室。温度，湿度，大气组合物，照明和营养递送是以自动和可靠的方式控制的关键参数。使用最小的机组人员努力的轨道和维护的轨道材料和维护是其他主要要求，允许简便的子系统/技术的变化，使得科学能力和可维护性最大化。植物研究单位（PRU）开发计划基于生物量生产系统（BPS）的结果以及许多其他技术开发，并使用BPS作为PRU的风险缓解原型。利用大量的团队经验和在开发BPS时获得的学习，植物增长室和环境控制设计的几种创新改善已被纳入PRU。

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