【正文】 ............................................................................. 13 鹽脅迫對露水草光合參數(shù)的影響 ........................................................................ 13 鹽脅迫對露水草的光合色素影響 ........................................................................ 13 鹽脅迫對露水草的 相對電導率影響 .................................................................... 13 鹽脅迫對露水草中丙二醛含量的影響 ................................................................ 13 鹽脅迫對露水草的次生代謝產(chǎn)物蛻皮激素含量的影響 .................................... 13 ........................................................................................................................... 15 參考文獻 ...................................................................................................................... 16 致 謝 .......................................................................................................................... 18 紅河學院本科畢業(yè)論文 (設計 ) 1 露水草的研究現(xiàn)狀 露水草 (Cyanotis arachnoidea)別名珍珠露水草，屬鴨跖草科藍耳草屬植物[1]，多年生草本，多生于海 拔 1100～ 2700m 的亞熱帶山地草叢中、向陽緩坡針闊葉疏林下、草地、山野路邊等處。用于風濕性關節(jié)炎，四肢麻木，腰腿痛，腎炎水腫，虛熱不退。土壤鹽堿化將會影響 土壤板結 且 肥力下降 ，另外不利于農(nóng)作物吸收養(yǎng)分，阻礙作物生長。黃璐琦等還提出道地藥材形成 “ 逆境效應理論 ” [14]， 作為中藥材 “ 道地性 ” 科學解釋。 實驗儀器 Li6400XT 便攜式光合儀、 高速離心機 （ ） 、 恒溫水浴鍋 （ 常州國華電子有限公 ， HH4） 、紫外分光光度計 (T6 新世紀 )、 可見分光光度計 (上海菁華科技儀器有限公司 )、 電子 天平 (賽多利斯科學儀器有限公司 )、電熱恒溫鼓風干燥箱 (DHG9246A 型 )、恒溫搖床 （ 上海一恒科技有限公司 ） 、電導儀 、數(shù)顯 超聲波儀、 移液槍、 燒杯、量筒、容量瓶、玻璃棒、研缽、離心管 15ml、試管、試管架 。 光合色素的測定 光合色素 提取 ： 將待測葉剪 下 并稱取 鮮重剪碎放入研缽中再加入5mlN,N二甲基甲酰胺進行迅速研磨， 研磨后至于離心管中， 勻漿以 4000r選取生長環(huán)境一致的材料，先用自來水沖洗干凈，再用去離子水沖洗3 次，用吸水紙吸去多余的水分。min1離心 10min，其 上清液 即為 丙二醛 提取液。FW1） =[（ 106A 106A 450） 提取液體積 ]247。g1L1在此濃度下實驗組的胞間二氧化碳占對照組的 %。m2 50 177。 90 177。** 由 圖 1～ 5 可知 隨著鹽濃度的升高 凈光合速率、蒸騰速率、氣孔導度、水分利用率都在先下降后升高，而胞間二氧化碳則先升高后降低，鹽濃度為50mmolL1時實驗組的與對照組比較時差異最大，且實驗組的葉綠素 b 占對照組的 37g1 177。** 177。** 177。L1 時實驗組與對照組的相對電導率不存在差異顯著 ，鹽濃度為90nmolL1 時它們之間的丙二醛含量變化不明顯。L1) 丙二醛含量 (umolml1) A242 0 0 結果與分析 12 由圖 10 可知隨著鹽濃度的升高，露水草中蛻皮激素含量也在升高， 且各實驗組與對照組都存在顯著差異。 NaCl 作用下 葉綠素 被 分解 ， 葉綠體的發(fā)育受到影響，這是由于 NaCl 促進 葉綠素霉的活性 [19]。實驗結果中鹽脅迫促使蛻皮激素含量增加是 正確的。 我還要感謝在一起愉 快的度過畢業(yè)論文小組的同學們， 正是由于你們的幫助和支持，我才能克服一個一個的困難和疑惑，直至 論 文的順利完成。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 紅河學院本科畢業(yè)論文 (設計 ) 20 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