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- Distinguish using nitrate test strips: if P deficient, petiole sap should give high reading for nitrate. 使用硝酸盐测试条来区别:如果缺磷,叶柄体液应含较多的硝酸盐。
- Some commercial laboratories use periodic nitrate tests as guides. 许多商业性的试验室已应用定期的硝态氮分析作为指导。
- A simple test will show if this is real gold. 简单的试验就能证明这是否是真金。
- Standard Test Method for Mercurous Nitrate Test for Copper and Copper Alloys 铜和铜合金的硝酸亚汞试验法
- Pupils who pass the test will be promoted to the next higher grade. 小学生只要考试及格就会升到高年级。
- He held the test tube in his hand thoughtfully. 他沉思地把试管拿在手里。
- It will be wise to go over your test paper again. 还是把您的考卷再检查一遍的好。
- Let us show you to see the engine to test. 让我们指给你看要测试的发动机。
- He is answering the test paper busily. 他正忙着答考试卷。
- Don't tumble down on this easy test. 这次考试不难,你可别考砸了。
- Tomorrow we'll have a history test. 明天我们将进行历史测验。
- Nitrate of soda may be sown on pasture that does not eat off. 可以把硝酸钠撒在牧草还没有吃光的草地上。
- That driving test was a real doddle. 那次驾驶执照的考试真是易如反掌。
- The battery is on test at the moment. 此刻正在对这种电池进行测试。
- But for Tim, the whole class passed the test. 除蒂姆之外,全班都通过了这次考试。
- The boys were given an intelligence test. 那些孩子们接受了智力测验。
- In the main, the pupils did well on the test. 总的来说,学生们考得很好。
- Is indole second acerbity what is main effect? 吲哚乙酸主要作用是什么?
- A highly explosive mixture of ammonium nitrate and trinitrotoluene. 阿马托炸药一种由硝酸铵和三硝基甲苯组成的烈性混合炸药
- Can Jones beat Smith? That's the acid test. 琼斯能击败史密斯吗?那是个严峻的考验。