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Since the fact that bamboo acid's pH is in the range of 2.6~3.2,the worth of bamboo acid is to let drop. If directly sprinkleing to the flora greens stalks, the subsance will be able to cause the flora disease.

根据竹醋原液的较低pH值2.4-3.2，若直接喷洒于植物蔬菜茎叶上会使植物受到药害，将竹醋液转换成复合钙盐，降低其酸度，测定该盐的抑菌效果。

The optimum pH range of acid precipitation was 2.5-4.5, the protein content was 82.87% and the recovery of nitrogen was 28.51%.

酸沉的pH范围是2.5~4.5，蛋白含量为82.87%，氮的回收率为28.51%。

In recent years, L-lactic acid cause a wide range of research and development interest.

近几年来，L－乳酸的研究与开发引起人们广泛的兴趣。

Though the microorganisms capable to metabolic H〓S and CH〓SH respectively are Thiobacillis, their physiological characteristics are different. The former is acidophile, the optimum range of pH for which is 1～4; whereas, the latter is neutrophile.

代谢H〓S和CH〓SH的微生物菌群从形态上均有杆状硫细菌的特征，但两种菌群的生理特征不同，代谢H〓S的硫杆菌属嗜酸性微生物，代谢CH〓SH的硫杆菌属嗜中性微生物。

The recoveries of organic acids were all in the range of 99%~103%.

有机酸的回收率均在99%~103%之间。

ACM Group provides a range of products and services, from the circuit board design and development to finished product assembly, testing and packaging.

ACM集团提供了一系列的产品及服务，从线路板的设计和开发到成品的装配、测试和包装。

Part 2 : an interim acoustic coupler for the calibration of audiometric earphones in the extended high-frequency range.

人头和耳的模拟器。第2部分：在扩展高频范围内测声耳机校准的间歇声音耦合器欧洲标准

Navigation using acoustic range measurement is one of the most important techneques of underwater robot, becoming a research hotspot.

中文摘要基于水声测距的导航定位技术在水下机器人中获得广泛应用，并成为现今水下机器人技术的研究热点。

Water condition ; acoustic homing torpedo ; range

水文条件；声自导鱼雷；作用距离

According to the technical parameters of acoustic homing torpedo, the torpedo acoustic homing range of actual targets under real water conditions is forecasted with the grid search technique.

根据声自导鱼雷的技术参数，采用网格搜索法预报真实水文条件下鱼雷声自导对实际目标的作用距离，旨在为鱼雷攻击提供建议。

There is a high rate of calculus symptom among people,which becomes a common and frequent sym...

结论结石症在人群中患病率高是影响人们生活质量的常见病、多发病，尿路结石患病率位于各类结石的首位。

Is the United States, Culture and Sport Mita pigment gene youth of China's total distribution.

是美国康美达基因青春素的中国总经销。