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- The results of the experiment sh ow that the limited carbonate hardness method is simple, quick and effective. 由實(shí)驗的結果來(lái)看,極限碳酸鹽硬度法簡(jiǎn)便、捷、現性好,可信度高。
- Cast steel contains carbon of less than .3% by weight, while cast and ductile irons have at least 3% total carbon. 鑄鋼含碳量少于0.;3%25,而鑄鐵和球墨鑄鐵含炭量量則至少為3%25。
- The contributions of the undergrowth,litter layer,coarse woody debris (CWD) and dead fine root to the total carbon pool was no more than 1%. 格氏栲和杉木人工林喬木層碳庫分別占人工林碳庫的65.;9%25和57
- An on-line analytical method of gas chromatography for determination of total carbon in pure hydrogen produced by PSA was studied. 利用帶鎳加氫轉化爐的氣相色譜儀,在線(xiàn)分析變壓吸附法制純氫中的總碳。
- Scenedesmus obliquus, inoculated in the carbonate hard water in the Yucheng County, Shangong Province, was observed to grow rapidly under the condition of supplementing certain salts and aeration. 斜生柵藻(Scenedesmus obliquus)引種至山東禹城辛店洼碳酸鹽型水中后,在補加必需營(yíng)養鹽、充氣的條件下培養,可以高速增長(cháng);
- Net calorific value has met the lowest requirement for MSW incineration,but high levels of total nitrogen and total carbon make it technologically more suitable for composting. 垃圾濕度和容重高于全國平均水平,熱值基本滿(mǎn)足垃圾焚燒處理要求。
- limited carbonate hardness method 極限碳酸鹽硬度法
- A series of standard solution made up with standard substance of sodium carbonate, and combusted in a high-frequency induction furnace with pure oxygen, and the amount of total carbon was measured by infrared absorption. 摘要以碳酸鈉為基準物質(zhì),配成一系列標準溶液,在通有純氧氣的高頻爐中燃燒,紅外吸收法測定碳含量,繪制校準曲線(xiàn),測定矽中總碳量,與推薦值基本一致,方法準確、結果滿(mǎn)意。
- Dissolved inorganic carbon (DIC) account for more than 95% of total carbon in seawater, so it is necessary to make reliable and precise measurements of DIC to study marine carbon cycling. 海水中的溶解無(wú)機碳(DIC)可占海水中總碳的95%25以上,其準確測量是研究海洋碳循環(huán)的基礎。
- This paper studied the mineral property of carbonous hard kaolin in west of Hubei. 本文研究了鄂西含碳硬質(zhì)高嶺土的礦石性質(zhì);
- The total carbon storage in P. amarus ecosystem was 135.808110 t/ha, of which 46.032 420 t/hm2 in the aboveground arbor, about 33.9%, and 2.600 68t/hm2 in the litter, about 1.91%, and 87.1750t/hm2 in the soil layer (0 ~ 60 cm) , accounted for 64.19%. 苦竹林生態(tài)系統中碳總貯量為135.;808 110t/hm2;其中喬木層為46
- Conclusions are reached as follows: (1) The total carbon sink of the farmland ecosystem in coastal China was zigzagging upward since 1981, and the total carbon emission climbing rapidly. 二者相比,碳排放明顯低于碳吸收,但由主要途徑農業(yè)投入導致的間接碳排放的增長(cháng)速度(94%25)超過(guò)了作物生育期碳吸收的增長(cháng)速度(44%25)。
- The mass rally was a total fiasco. 那次群眾集會(huì )徹底失敗。
- Determination of Total Carbon in Alloy Iron 鐵合金中總碳量準確測定的分析探討
- concentration of total carbon dioxide 二氧化碳總濃度
- I must say the news comes as a total surprise. 我得說(shuō)這個(gè)消息來(lái)得太突然了。
- Ten years was the sum total of my education. 我受教育的年限加起來(lái)共十年。
- My small contribution was lost in the grand total. 我的小小捐獻在巨大的總額中小得幾乎看不見(jiàn)。
- The ship was wrecked and became a total loss. 船只失事,一切都損失了。
- He swings from wild optimism to total despair. 他由極其樂(lè )觀(guān)一變而為完全絕望。