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- Determination of total nitrogen (Kjeldahl). 英文名稱(chēng)： Soils quality.
- The Kjeldahl is a general analysis method for determining nitrogen in rubber. 凱氏定氮法是測定橡膠中氮含量的常規分析方法。
- They spend the winter(s) in a warmer climate. 他們在氣候較暖的地方過(guò)冬。
- Most plural nouns in English end in "s". 英語(yǔ)的復數名詞多以“s”結尾。
- The sweater had shrunk after repeated washing(s). 這件套頭毛衣洗過(guò)多次已縮水了。
- Some old folk(s) have peculiar tastes. 有些老人有特殊的愛(ài)好。
- Answer the following question(s). 回答下列問(wèn)題。
- Most plural nouns in English end in s'. 英語(yǔ)的復數名詞多以s結尾。
- The drug affects one's power(s) of concentration. 這種藥影響人精神不能集中。
- Here are the designs. Which one(s) do you prefer? 這就是那些圖樣.;你喜歡哪一個(gè)[些]?
- Total Nitrogen in Lubricating Oils by Modified Kjeldahl Method, Method of Test for (05. 用改良的基耶達法測定潤滑油中總氮量的試驗方法(05。
- Which journal(s) do you subscribe to? 你訂閱哪一種雜志?
- The novel had an enormous vogue in the 1930's. 這本小說(shuō)在三十年代曾廣為流傳。
- Hence, any chemical rich in nitrogen can potentially trick the Kjeldahl or Dumas test. 因此，任何富含氮的化學(xué)物質(zhì)都可能騙過(guò)克耳達或杜馬斯測試法。
- He earned four A's in the final examinations. 他期末考試四門(mén)功課得優(yōu)。
- The Beatles were the pop idols of the 60's. 披頭士樂(lè )隊是六十年代人們崇拜的偶像。
- The total nitrogen content of compound fertilizer have been studied using the Kjeldahl Method. 摘要采用凱氏定氮法，對復合肥料總氮含量進(jìn)行了測定研究。
- He returned to the fold at his 80's. 他在八十高齡又恢復原來(lái)的宗教信仰。
- She has an amused twinkle in her eye(s). 她高興得雙目熠熠發(fā)亮。
- Research methods about standard samples of water quality determination of Kjeldahl nitrogen were put forward. 提出了水質(zhì)凱氏氮標準樣品的研究方法。
