1) pH measure and control
pH测控
1.
The user interface of combining keyboard with LED display module can monitor the process state of pH measure and control system,input and edit the parameters,set the system functions,etc.
键盘输入结合LED显示的用户界面可实时监视pH测控系统的运行状况,完成各种参数的输入、编辑,设置系统功能等,实现用户与系统之间的人机交互。
2) pH-controlled fed-batch shaker
pH检测控制
1.
The process of vegetative seed cultivation was investigated with pH- controlled fed- batch shaker (pH- shaker).
本文利用具有pH检测控制与补料功能的新型摇床,得到了利福霉素SV种子的最适接种量范围为6%～8%(V/V)及最适移种时间为对数生长期末期(判断标准为pH到达第二个低谷),并建立了预测菌体浓度的数学模型。
3) pH real-time measure and control system
pH实时测控系统
1.
HMI design of pH real-time measure and control system
pH实时测控系统人机界面设计
4) pH control
pH调控
1.
Scanning electron microscope(SEM),Fluorescent in-situ hybridization (FISH)-Flow Cytometry(FCM) as well as Biolog method were used to discuss the effect of pH control during the batch treatment on the composition and catabolic diversity of the microbial communities obtained from antibiotic wastewater.
结果表明,批量处理过程的pH调控显著影响了降解菌群中酵母和细菌的比例,并进而影响了废水处理效果。
2.
The combined effects of various pH control strategies and sucrose feeding rates on nisin production were studied.
研究了乳酸乳球菌发酵过程中pH调控和补料对产物生成的影响。
5) PH value control
pH值控制
1.
The non-linear and lagging usually appears seriously in the neutralization course of acid and alkali, it not only brings a great difficulties for PH value control, but also wastes a large amount of neutralizer, so PH value is recognized as one of the most difficult control variables.
酸碱中和过程通常呈现严重非线性和滞后性，给PH值控制不仅带来极大的不确定性，也浪费大量中和剂，为此PH值被公认为最难的控制变量之一。
2.
The level of automation of the pH value control system in China relatively falls behind, research and development of automatic system with good control effects and easy realization has much practical mean.
我国污水处理pH值控制系统的自动化水平相对落后,开发出具有良好控制效果、易于实现的自动化成套系统具有现实意义。
6) pH control
pH值控制
1.
A new non-linear system designed for use with pH control;
一种用于pH值控制的非线性系统的实现
2.
Research of Sugar-Refinery pH Control System Based on S3C44B0X;
基于S3C44B0X的糖厂pH值控制系统的研究
3.
Through the simulation of pH control,compared with traditional multiple model predictive control,its better effect .
通过pH值控制的对比仿真实验 ,证明其对强非线性过程的控制效果优于传统的多模型预测控制。
补充资料：pH
分子式：
CAS号：
性质：又称PH值。PH是以氢离子浓度表示的水的酸、碱性的量度，氢离子浓度是每升溶液中氢离子的质量（以克表示），用氢指数PH来表示，故PH便是氢离子浓度指数。PH在数值上等于氢离子浓度的负对数，即氢离子浓度倒数的对数。纯水的PH值=7；酸性水的PH值<7；碱性水的PH值>7。
CAS号：
性质：又称PH值。PH是以氢离子浓度表示的水的酸、碱性的量度，氢离子浓度是每升溶液中氢离子的质量（以克表示），用氢指数PH来表示，故PH便是氢离子浓度指数。PH在数值上等于氢离子浓度的负对数，即氢离子浓度倒数的对数。纯水的PH值=7；酸性水的PH值<7；碱性水的PH值>7。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条