【正文】 ，當(dāng)液面降至下標(biāo)線時，按停秒表 ⑦、記下液面由上標(biāo)線降至下標(biāo)線的時間，重復(fù) 3 次，取平均值作為漿液的流動時間 ⑧、計算 醋片的粘度 =K T K=粘度計常數(shù) T=漿液流出時間 丙酮的濃度分析 分析的原因 焦作大學(xué)畢業(yè)設(shè)計（論文） 煙用過濾嘴絲束生產(chǎn)原材料檢 7 一方面可以減少成本，另一方面可以根據(jù)工藝要求進(jìn)行合理的調(diào)配 分析的原理 根據(jù)一定溫度下，比重計測出比重，然后根據(jù)圖表 分析所需要的器材和藥品 量筒、恒溫水槽、溫度計、比重計、“丙酮 比重 濃度”圖表 分析的操作步驟 ①、將約 250ml 試樣倒入量筒，放入恒溫水槽中，在 20 度條件下恒溫 30 分鐘以上 ②、插入溫度計、比重計 ③、三分鐘后讀取溫度，讀取 單位，抽出溫度計 ④、比重計的指示穩(wěn)定后，讀取到小數(shù)第四位 ⑤、根據(jù)讀取的溫度和比重，利用“丙酮 比重 濃度”圖表得到濃度，濃度讀取到 單位 丙酮還原高錳酸鉀的時間 分析的原因 檢測丙酮中的還原性物質(zhì)是否超標(biāo)，如果超標(biāo)則對于工藝方面將會造成很大的損失 分析的原理 觀察一定溫度下丙酮還原高錳酸鉀的時間，不能超過 2 小時 ..3 分析所需要的器材和藥品 碘量瓶、量筒、 吸量管、高錳酸溶液、恒溫水浴 分析的操作步驟 ①、檢查水浴溫度保持在 25 度左右 ②、用量筒量取 100ml 丙酮試樣 ③、倒入干凈碘量瓶中，加蓋 ④、碘量瓶放入水浴中，恒溫 20 分鐘 ⑤、用 吸量管吸取 高錳酸溶液，加入碘量瓶中 ⑥、用手搖瓶后，仍放入水浴中，開始計時，要注意避免強(qiáng)光照射 ⑦、觀察碘量瓶內(nèi)溶液顏色變化，淡紅轉(zhuǎn)為棕黃色表明高錳酸鉀被還原成二氧化錳 ⑧、記錄專色所需時間， 2 小時不變色的丙酮是合格的 丙酮中游離酸的測定 分析的原理 檢測丙酮中的游離酸含量，防止最后的成品絲束有異味 分析所需要的器材和藥品 焦作大學(xué)畢業(yè)設(shè)計（論文） 煙用過濾嘴絲束生產(chǎn)原材料檢 8 、微量滴定管、錐形瓶 、量筒、 50ml 移液管、 分析的操作步驟 ①、把 ②、用 50ml 移液管吸取試樣，移入錐形瓶中 ③、用量筒量取純水約 50ml，加到已移入的錐形瓶中 ④、滴加指示劑 23 滴 ⑤、滴加 ，記下體積 ⑥、同時做空白 ⑦、計算 游離酸（ %） =（ v1v0） C 247。 使我們 完成了各項(xiàng)實(shí)驗(yàn)任務(wù)。s behaviors to care for eyes, basedon the timely and factual statistics the survey series of followup events will also be held in six cities, including Jinan in Shandongprovince, and Changsha in Hunan province, to educate people on how to care for eyes afterthe survey started. More and more Chinese are jogging to get and stay fit. Most joggers will run alone, but some will jog with friends or even coaches. The Beijing Olympic Forest Park is one of the most popular spots. It is packed with runners in the afternoon, usually after work, and at weekends. Jogging after a whole day39。s ovarian function has declined and a bilateral oviduct blockage has occurred, meaning that in vitro fertilization is her only option. So, after reducing her workload, Xiao underwent IVF treatment. Luckily, she got pregnant after just one treatment cycle, but later experienced vaginal bleeding, and rushed to the hospital. I told her to rest and carry on with the treatment (to prevent a miscarriage). As Zubin Zarthoshtimanesh, a yoga guru, demonstrated postures at a high school stadium in Dujiangyan city, Sichuan province, some 200 students sat on colorful mats watching him closely. It was part of the first IndiaChina international yoga festival in the provincial capital, Chengdu, in Southwest China, where more than 1,000 fans from home and abroad gathered for lessons from 20 leading practitioners of the ancient Indian regimen, from June 1721. Yoga is to India what perhaps tai chi is to China. Many countries other than India and China, also held the first World Yoga Day on June 21, after the United Nations last year agreed to Indian Prime Minister Narendra Modi39。t really matter where it originates or how it is cooked. Lin likes to give the Americanstyle restaurants39。s team of more than 550 chefs. Many of the franchise39。s Pink Revolution, an annual campaign that seeks to raise awareness and funds for breast cancer research, the hotel recently announced. A major sponsor of the campaign for three years in a row, Conrad Macao has pledged to donate a portion of its proceeds to the fund, includ ing those collected from selling its popular bear and rubber duck merchandise, in limited pink editions. Pink is the theme for floral arrangements and decorations in the hotel in October. In addition, on Fridays that month, members of the management and staff will add something pink to their uniforms, regular s and handwritten guest cards. Breast cancer is the most prevalent type of cancer among women in Hong Kong and is also of significant concern in Macao and around the world, regardless of age, general manager Bede Barry said in a statement. The hotel has enlisted the support of a number of international and local celebrities to help drive the cause, including South Korean actor Jung Suk Won. This year, a lucky guest who stays at the hotel during the campaign and also donates money for the cause will win a necklace specially designed by Arte Madrid, a Spanish jewelry brand. Women should strive to balance quality of work and life, and have children at a young age. As a doctor I see much suffering because of this imbalance. Xiao Ying, 36, works for a large law firm. Her job means lots of travel, a heavy caseload and a large number of meetings, so her schedule is hectic. She has been pregnant twice, but had abortions on both occasions because she felt her busy, highpressure career wasn39。s annual National Day for Eye Care, the China Youth Development ServiceCenter and Zhejiang Medicine, a leading listed Chinese pharmaceutical