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- Despite this diversity and the fact that certain organisms can grow at extremes of the pH scale, generalities can be made. 纵然有差异而事实上有些生物是可以在极端的酸碱度范围上生长,仍可以得到一些归纳结果。
- A measure of the acidity or alkalinity of a solution, numerically equal to7for neutral solutions, increasing with increasing alkalinity and decreasing with increasing acidity.The pH scale commonly in use ranges from0to14. 酸碱度溶液酸性或碱性的度量,数值等于7的为中性溶液,数值增大表示碱性增大,数值减小表示酸性的增大。ph值范围一般在0到14之间
- A measure of the acidity or alkalinity of a solution, numerically equal to7 for neutral solutions, increasing with increasing alkalinity and decreasing with increasing acidity. The pH scale commonly in use ranges from0 to14. 酸碱度溶液酸性或碱性的度量,数值等于7的为中性溶液,数值增大表示碱性增大,数值减小表示酸性的增大。PH值范围一般在0到14之间
- That word is spelt with a PH, not an F. 那个字里的f音拼作PH而不是F。
- The next year the work went ahead on a large scale. 第二年这项工作就大规模进行了。
- The project as being undertaken on a small scale. 这个工程在小规模地进行着。
- This district grew cotton on a large scale. 这个地区过去大量种棉花。
- Scale the fish before cooking them. 烧鱼之前先去掉鱼鳞。
- a blood disorder characterized by a lower concentration of hydrogen ions in the blood (which rises above 7.45 on the pH scale) 血液中氢离子浓度降低的一种血液混乱症
- The statue was made to scale, one inch to a foot. 这座塑像是按比例做的,大小是真人的十二份之一。
- a blood disorder characterized by an increased concentration of hydrogen ions in the blood (which falls below 7 on the pH scale) 血液中氢离子增加的一种血液混乱症
- I weighed in at100 pounds on the scale today. 我今天在磅秤上称的体重为100磅。
- It is hard to imagine the scale of the universe. 很难想像宇宙有多大。
- They are preparing for war on a large scale. 他们正在大规模地备战。
- He learned to scale a rock face from his father. 他从他父亲那儿学得攀登崖面的技巧。
- This map is drawn to a scale of 1 inch to 50 miles. 这幅地图是以一英寸代表五十英里的比例绘制的。
- These are likely for use in the al-Samud II (ph). 这些发动机用于生产al-SamudII导弹。
- A buffer system resists a change in pH. 缓冲系统对pH的变化是有耐受能力的。
- The powerhouse was trace out accurately later on a large scale map. 后来发电站被精确地描画在大比例地图上。
- Being on a small or greatly reduced scale. 小型的或微小的尺寸很小或尺寸缩得很小的