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At the same time, the leaf contents of soluble sugars, proline and MDA significantly increased with the decline of the temperature.

同时,随着处理温度的降低,可溶性糖、脯氨酸和丙二醛等的含量均明显增加。

Objective: through various chemical synthesis target compounds 4 -- 6 - the - 7 -(2 - hydroxyl replace c oxygen radicals) quinazoline compounds were synthesized and the structure of the modified, so as to get high epidermal growth factor receptor tyrosine kinase inhibitor.

目的:通过各种化学合成方法完成目标化合物4--6-甲氧基-7-(2-羟基取代丙氧基)喹唑啉的合成并对目标化合物进行结构修饰,以期获得高活性的表皮生长因子受体酪氨酸激酶抑制剂。

The results of physiological indexes analysis under different salt stress condition showed that cell membrane permeability of all species increased along with the increasing of NaCl concentration, and concentrations of Na+, Cl-, proline, soluble sugar, saccharose and malondialdehyde showed the same tendency.

不同盐浓度胁迫下各项生理生化指标的测定结果表明:随着盐胁迫强度的增加,四种植物的膜透性增大,Na+、Cl-、脯氨酸、可溶性总糖、蔗糖和丙二醛含量都呈增大的趋势,高碱蓬和镰叶碱蓬的Pro含量增加迅速,明显比盐角草和盐爪爪高,盐角草Na+、Cl-含量明显高于其它三种植物,K+、Ca2+、Mg2+、叶绿素含量,过氧化物酶、超氧化物岐化酶和过氧化氢酶活性和K+/ Na+都呈下降的趋势。

By field experiments, seed yield, leaf proline,MDA and cell membrane permeability were studied in 8 different genotype corn varieties.

对 8个基因型不同的玉米杂交种,在不同供磷水平下的籽粒产量、叶片脯氨酸、丙二醛和质膜透性进行了研究。

To determine cold resistance of Dendrocalamopsis oldhami from four different geographical provenances (Wenzhou, Fu'an, Youxi, and Zhangzhou), changes in semilethal temperature (LT50); peroxidase activities, malondialdehyde, proline and soluble protein content over the course of a winter were compared.

为探明4个绿竹Dendrocalamopsis oldhami地理种源的抗寒特性,测定了它们在越冬期间叶片低温半致死温度(LT50)、过氧化物酶活性、丙二醛、脯氨酸和可溶性蛋白质量分数的动态变化。

In this article, the test was conducted that different physiological indexed of fresh dry weight、succulence、the plasma membrane permeability、MDA content and chlorophyll content were determined while Vicia faba L.

用Na2CO3处理蚕豆幼苗,处理浓度为25,50,75,100mmol/L,胁迫6天后取样,测定植株鲜干重、肉质化程度、细胞膜透性、丙二醛含量、脯氨酸含量叶绿素含量等生理指标。

Selenium, sulfur and other organic compounds in vegetables: onions, garlic is rich in sulfur, selenium and "sulfonyl allyl cysteine," can help the liver detoxify and prevent liver cancer.

五、含硒、硫等有机化合物的蔬菜:葱、蒜含丰富的硫、硒及「磺烯丙基半胱氨酸」,能帮助肝脏解毒及防止肝癌发生。

The results indicate seawater concentration has no effect on absorbency, pH, relative density, dry matter and water contents in Aloe vera leaves. While, seawater stress causes increased MDA and membrane penetration, decreased phytochroms, prolines and NO_3~--N. It is beneficial to plant growth when irrigation was done with 10% seawater, because of higher ratio of K~+/Na~+ and lower ratio of Na~+/Ca~(2+). In addition, the polysaccharide contents in Aloe vera leaves increase twice and triplication under 25% and 50% seawater irrigation respectively, the barbaloin contents increase over triplication in var. 75% seawater and over twice in var. 50% seawater and var. 100% seawater. However, when seawater concentration exceeds 25% the growth of plant was inhibited, biomass decreased, flowering time was deferred, Ca~(2+) content decreased caused by Na~+ accumulation in leaves.

结果表明:在海水胁迫下,库拉索芦荟全叶汁的吸光度、酸度、相对密度、总固形物和水分含量总体上受海水浓度的影响不大;但芦荟叶的丙二醛含量和质膜透性增加,叶绿体色素、脯氨酸和硝态氮含量减少;在10%海水浇灌下,芦荟叶细胞具有较高的K~+/Na~+比和较低的Na~+/Ca~(2+)比,对库拉索芦荟的生长有一定的促进作用;在25%海水和50%海水浇灌下,芦荟多糖含量提高了2-3倍;在75%海水浇灌下芦荟甙含量增加了3倍多,在50%海水和100%海水灌溉下,其含量也增加了2倍多;当海水浇灌浓度超过25%后,库拉索芦荟的生长明显受到抑制,生物量降低,抽苔期推迟,同时,海水浓度的增加也导致芦荟叶中累积大量Na~+,从而使得芦荟叶中Ca~(2+)含量降低,但Mg~(2+)并没有受到海水浓度的影响;用浓度低于75%的海水浇灌库拉索芦荟可以降低剖面深度在0-100cm之间的土壤盐度;其抗氧化保护酶中超氧化歧化酶的酶活力相对保持稳定,过氧化物酶的酶活力在10%海水浇灌下明显提高,随后则下降,而过氧化氢酶的酶活力则随海水浓度的升高而下降。

Cluster analysis show that: proline content,sugar content, K~+/Na~+ content, MDA content, relative water content, CAT acitivy,photosynthesis rate and chlorophyll content can be indexs to comprehensive evaluate theability of salt-tolerance for Arrhenatherum elatius L..

聚类分析表明,脯氨酸含量、可溶性糖含量、钾钠含量比、叶片相对含水量、丙二醛含量、CAT活性、光合速率及叶绿素含量也可作为综合评价高燕麦草耐盐能力强弱的指标。

2Under salt stress, the osmoregulation system, membrane system andphotosynthetic system of Arrhenatherum elatius L. were damaged. The materials ofstrong salt-tolerance have high levels of proline content, sugar content, K~+/Na~+ content,MDA content,CAT acitivy and photosynthesis rate etc..

2供试材料盐胁迫下的生理生理特性研究表明:盐胁迫下高燕麦草的渗透调节系统,膜系统及光合系统均受到不同程度的损害,耐盐能力较强的材料ZXY03-367、ZXY03-200等在脯氨酸含量、可溶性糖含量、钾钠含量比、叶片相对含水量、丙二醛含量、CAT活性、光合速率及叶绿素含量方面均高于不耐盐的材料ZXY03-13、ZXY03-443等。

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