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The differences of providing amino acid to kernel of different winter wheatculfivars.93-52 with high protein content in kernel had highest content of amino acid innutrition organs,indicated 93-52 can provide abundance material for protein synthesis ofkernel,namely the source in full,so the content of amino acid in kernel was highest;Compared Lumai21 with Jinanl7,the amino acid content in leaf of Lumai21 was a littlehigher than Jinan17,but the amino acid content in stem、sheath and spike was obviouslylower than Jinan17,also the amount of amino acid restored in nutrition organs was large,the translocation degree was low to kernel,namely the flow was not fluency,which wasthe main reason of low content of amino acid in kernel.
小麦不同品种向籽粒供应氨基酸水平的差异。籽粒蛋白质含量高的93-52各营养器官中的游离氨基酸含量均最高,说明93-52籽粒蛋白质合成所需底物供应充足,即源足,因而其籽粒游离氨基酸含量最高。鲁麦21和济南17相比,鲁麦21叶片中的游离氨基酸含量虽略高于济南17,但茎鞘和穗中的游离氨基酸含量却明显比济南17低,并且在后期鲁麦21营养器官中游离氨基酸滞留的多,向籽粒中的转移程度低,即流不畅,是造成鲁麦21籽粒游离氨基酸含量低的主要原因之一。
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The contents of N, P, K in leaves were examined by regular leaf analysis. The results showed that the N content was higher in leaf blade than in leafstalk. N content in leaf was gradually reduced along with the vine growth. N, F, K fertilized at 20 to 40 cm soil layers significantly increased N content in leaf. But N content in leafstalk was less affected by N fertilization depth and growing season. P content was higher in leafstalk than in leaf blade. Less change of P content was noticed in leaf along with vine growth. However, N, P, K fertilized at 40 to 60 cm soil layers significantly promoted P in both leaf blade and leafstalk. K content in leafstalk was much higher than in leaf Wade. No obvious influence was noticed by fertilizing depth. But K content in leafstalk was significantly increased due to applied K fertilizer in late growing season.
结果表明,酿酒葡萄叶片中氮含量远高于叶柄,叶片中氮素含量随着生育期的延长逐渐降低,而叶柄中氮含量随施肥深度增加和生育期延长而产生的变化很小,40cm的施肥深度能显著增加叶片中氮素含量;叶柄磷素平均含量高于叶片,全生育期叶片磷含量变化很小,而施肥60cm深度显著促进了叶片和叶柄中磷含量的提高;叶柄中钾含量远高于叶片,施肥深度对叶柄和叶片中钾含量未产生明显影响,但生育后期追施钾肥显著提高叶片钾含量;施肥深度达到40cm时酿酒葡萄的产量最高,而60cm的施肥深度产量显著下降。
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Through analyses, we can make the conclusion that, the relation of seed fresh weight dry weight and days after pollination, fat percent content, protein nut content, starch nut content can be expressed with Logistic equation; the change of kernel volume, moisture content of kernel and days after pollination accorded with three ascend curve equation. Kernel protein content, starch content and the changes of days after pollination tallied with reciprocal equation and they had high relation.
经过统计与分析,可以看出籽粒鲜重积累量与授粉后时间、籽粒干重与授粉后的时间、脂肪净含量、脂肪百分含量、蛋白质净含量、淀粉净含量与授粉后的时间均可以用Logistic方程描述,籽粒体积变化与授粉后的时间关系表现为三次上升型曲线方程;籽粒的水分含量与授粉后的时间关系表现为三次下降型曲线方程;籽粒中蛋白质百分含量与授粉后时间的动态变化规律、籽粒中淀粉百分含量与授粉后时间的动态变化规律符合倒数方程,均具有较高的拟合度。
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This paper has studied the physiological and biochemical changes during the period of forming strong buds of tree peony, and expect to provide academic basis for extending its view value and economic benefit . The main results are as the following:1 Under the field condition, Characteristics of photosynthesis of tree peony are very regular. From before blooming to the prophase of abducting buds that after blooming ,that is April,May and June,the net photosynthetic rate of tree peony is higher than the other period .It indicates that this period is very important for accumulating photosynthetic products of tree peony . So, if we want to get quality flower of tree peony ,it is very important to strengthen the management of tree peony cultivation and to ensure provide the fertilizer and water.2 From the middle ten days of June, with the time elapsing and with the environment conditions worsening, the characteristics of photosynthesis of tree peony decline deeply. But it is different among different tree peony breeds. For example , cv. Wu Long Peng Sheng can also has higher net photosynthetic rate, it indicates that cv. Wu Long Peng Sheng is super than the other two tree peony breeds when adapting the environment conditions and cv. Wu Long Peng Sheng has wide prospect to extend .3 The main factors of effecting the characteristics of photosynthesis are stomatal factor and non-stomatal factor ,that is the ability of photosynthesis of leaf cells. Under the environment of high light intensity in midsummer, if overshadow tree peony properly, then it can slow the declining of chlorophyll content, and increase the net photosynthetic rate and benefit for the accumulating of photosynthetic products.4 The content of soluble sugar in the root of tree peony is the highest among different organs during the period of forming strong buds . According to analyse ,we believe that the soluble sugar will compose starch then, and provide the solid base of material for the growth and development next year. It provide us strong academic basis of adopting the method of cultivating root and protecting root under thefield environment conditions .In other words ,it will help to increase the health level of the whole plant of tree peony and will be beneficial to forming quality tree peony flower if we strengthen the management of root. 5 To tree peony, the endogenesis hormone is important for its growth and development .In the prophase ,that is about the blooming of tree peony and the mid-summer ,IAA and ZR contents are higher and GA content is lower and its changes are very little, and the content of ABA is decreasing . This indicates that IAA and ZR act the important promote function for growth and development of tree peony in this period, and the function of GA is not important. Bur in the period of anniversary senescence of tree peony , the content of IAA and ZR begin to decrease ,while the ABA content has a certain rebound .T
本研究对几个牡丹品种壮芽形成过程中的某些生理生化变化做了研究,以期了解牡丹生长发育过程中生理生化的变化规律,探讨大田栽培条件下提高牡丹花质量的栽培措施和管理技术,为提高牡丹的观赏价值和经济效益提供理论依据,结果如下:1 大田栽培条件下,牡丹光合特性在生长发育过程中表现出极强的规律性,牡丹各品种的光合速率从牡丹开花前,到牡丹花谢后的花芽诱导期前期(6月10日之前),也就是在4、5、6月份,各牡丹品种的净光合速率相对与其他时间都维持在比较高的水平,这说明,在这段时间,是牡丹光合产物积累的重要时期,因此,要保证得到高质量的牡丹花,在这段时间加强对牡丹的栽培管理,保证这个时期的肥水供应十分重要。2 从6月中旬后,随时间的推移,环境条件的恶化,牡丹的光合性能剧烈下降,但是不同牡丹品种间仍有差异,比如,乌龙捧盛仍可维持较高的光合水平,这说明了乌龙捧盛这个牡丹品种对于环境的适应性较之其他牡丹品种高,有着广泛的推广前景。3 影响牡丹光合性能的主要因子是气孔因素和非气孔因素即叶肉细胞的光合能力,在盛夏高温高光强的环境条件下,对牡丹进行适当遮荫,能缓解牡丹叶绿素水平的下降,适当提高Pn,有利于光合产物的积累。4 可溶性糖在牡丹各品种的壮芽形成过程中,根中可溶性糖的含量在牡丹各部位中始终维持最高水平,分析认为这些可溶性糖在根系中进一步合成淀粉等储藏性物质,为来年牡丹的生长提供雄厚的物质基础,这为我们在大田栽培条件下对牡丹采取养根护根的栽培措施提供了有力的理论依据,即在大田栽培条件下,加强对牡丹根系的管理,有助于提高牡丹整株的健壮程度,有益于形成高质量的牡丹花。5内源激素对牡丹的生长发育调节作用是十分明显的,在前期,即开花前后和盛夏,IAA和ZR含量维持在比较高的水平,GA含量低且变化不明显,ABA含量逐渐降低,说明了IAA和ZR对牡丹在这段时间内的生长发育起到重要的促进作用,GA的作用不是很明显,ABA可能在高温高光强下有明显的升高,也说明了ABA的确有一些促进作用,但是到了牡丹周年衰老期,IAA和ZR的含量开始下降,ABA含量却有了一定程度的反弹,说明了IAA和ZR的作用开始降低,ABA起到了促进衰老的作用
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Results The UV-B treatment caused the declines of chlorophyll content, soluble protein content and water content of leaves, besides, dose-effect was existed. The decline of 30 μW/cm^2 treatment was bigger than that of 15 μW/cm^2 treatment. The influences of UV-B radiation on carotenoid content and anthocyanidin content were similar; the change trends were declined firstly then increased. The UV-B treatment with two doses restrained the electron transport of PSⅡ, particularly; the inhibitory effect was biggest after treated 2h, and then this effect was declined in 4, 6 and 8 h, so the dose-effect was existed. The UV-B radiation with two doses restricted photosynthetic rate and the inhibitory effect increased with the increase of treatment time. The high dose treatment caused huge damage to membrane system, while the result of low dose treatment was not obvious.
结果]UV-B处理导致叶绿素、可溶性蛋白含量以及含水量都降低,且存在剂量效应,30μW/平方公分处理的降幅大于15μW/平方公分;UV-B辐射处理对类胡萝卜素含量的影响与花青素相同,均表现为先下降后上升的趋势,2种剂量间差异不大;2种剂量的UV-B处理均抑制了PSⅡ的电子传递,尤其是处理2 h的抑制作用最大,4、6和8 h的抑制作用有所缓解,且存在剂量效应;2种剂量的UV-B辐射均抑制了叶片的光合速率,随着照射时间的延长抑制效应加大;高剂量UV-B处理对膜系统的损伤较大,低剂量UV-B处理结果不明显。
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The results indicated that vegetation biomass had a significant positive relationship with vegetation coverage. They had a significant negative correlation with bulk density of soil, and a positive correlation with macroaggregate, water stability macroaggregate, organic matter content, total nitrogen content, hydrolyzable nitrogen content, available kalium content, microbial biomass, and microbial respiration. However, they had no significant relationship with total phosphorus and available phosphorus.
在其恢复过程中,植被地上生物量与植被覆盖度呈正相关,它们与土壤容重呈负相关,而与土壤大团聚体、水稳性大团聚体、有机质含量、全氮含量、水解氮含量、速效钾含量、微生物量以及土壤呼吸强度之间呈正相关,与土壤全磷、速效磷含量无显著相关性。
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The results were as follows the change of vitamin C content was a "trial apex"-shape curve, higher in young fruit,incrustation and maturation stages, lower in other periods; the total acid content was the highest in young fruit, after that, it decreased rapidly, maintained lower level, and reached lowest when the fruit matured; the total content of soluble sugar inosculated with the fruit development, it was high when the fruit development was quick, and low when the fruit development was slow; before 59 d after anthesis, the reducing sugar content was high in the total content of soluble sugar and after that ,the nonreducing sugar content was high; before 45 d after anthesis, free amino acid content was obviously correlated with protein content, and they inosculated with the fruit development;4559 d after anthesis, free amino acid content increased quickly, and protein content decreased gradually, this was also the most shaping period of the embryo and endosperm.
结果表明,Vc含量呈&三峰&型曲线,幼果时、硬核后和成熟时较高,其他时期较低;有机酸含量以幼果期最高,以后迅速下降并维持较低水平,果实成熟时含量最低;可溶性总糖含量与果实发育状况基本相吻合,果实发育速度快时含量较高,慢时较低;在谢花后59 d以前,可溶性糖以还原糖为主,之后以非还原糖为主;游离氨基酸和蛋白质含量,在谢花后45 d以前两者呈高度相关,且与果实生长速度相吻合,谢花后4559 d是胚和胚乳的主要形成期,此期游离氨基酸含量迅速增加,蛋白质含量持续下降。西北林学院学报21卷第5期张传来等金光杏梅果实发育期间主要营养成分动态变化研究
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The feasibility of the equipment to measure Tg of amorphous powder is verified with a lot of experimentl results.The Tgs of some typical starches such as corn, pachyrhizus, buckwheat and pea in different water content are obtained by TDA. It is found that the water has plastic effect on starch and the Tg of starch decreases with the increase of water content. Through this study a quantitative expression is established to relate Tg and water content, and it is testified with experimental results for the sticky rice starch with different water content.
采用热膨胀法测定不同含水量下玉米、地瓜、荞麦、豌豆淀粉的玻璃化转变温度,得到了随着含水量的增加Tg降低的关系,探讨了水的增塑作用及影响机理,得到含水量与Tg的定量表达式,并用糯米淀粉的实验值对该关联式的有效性进行了验证,为预测不同含水量的淀粉的玻璃化转变温度及对淀粉的储藏加工提供了理论依据。
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It is quotative content below: Send content to share, center of dibble seeding business: Recently, allied collaboration site just exists because of copyright issue and copyright a few potential contradiction, for better help dibble seeding stationmaster returns avoid copyright risk, reduce operation risk, classics alliance discusses a decision for many times, share business to make following adjustment to dibble seeding business and content: 1, the film that content provider involves in dibble seeding portal, jump the domain name that turns to content provider undertakes broadcasting; For example, the user is clicked broadcast movie " pass outside Wu Lin " when, the player can inquire to the server " pass outside Wu Lin " provider news of victory, get inquiring the player is automatic after the result jump the page turn Http://xunlei.jeboo.com Face of under one's name of region of this news of victory broadcasts a page to undertake broadcasting, decreased to broadcast the copyright risk of film greatly; But for safety, should broadcast a page not to contain any content besides the player. 2, when using allied player to undertake broadcasting, jump the domain name that turns to content provider undertakes broadcasting, specific broadcast a mechanism Alexandrine; 3, the order programme that shuts bit of order programme serves, and cannot reuse dot order programme undertakes film is released broadcast with film, shut time to be about by August, ask relevant stationmaster to change the technology that the website uses and the content that edit him website as soon as possible. 4, stop to build read channel page, business of original collaboration site will in August the bottom is shut formally; 5, the content that content stops to share by August is updated, the bottom will shut content formally to share professional work in September; Recommend site of this kind of collaboration to select product of allied dibble seeding portal, those who make an user direct enjoy stability is online broadcast.
以下为引用的内容:致内容分享、点播业务站长:近日,联盟合作站点因版权问题与版权方存在一些潜在的矛盾,为更好的帮助点播站长归避版权风险,降低运营风险,经联盟多次商讨决定,对点播业务及内容分享业务做出如下调整:1、点播门户里涉及内容提供商的影片,跳转到内容提供商的域名进行播放;例如,用户点击播放影片《武林外传》的时候,播放器就会向服务器查询到《武林外传》的提供商捷报,得到查询结果之后播放器自动将页面跳转到 http://xunlei.jeboo.com 这个捷报域名下面一个播放页进行播放,大大减少了播放影片的版权风险;但是为了安全,该播放页不含播放器之外的任何内容。2、使用联盟播放器进行播放的时候,跳转到内容提供商的域名进行播放,具体播放机制同上;3、关闭点点播的点播服务,且不可再使用点点播进行影片发布和影片播放,关闭时间约在8月底,请相关的站长尽快更改网站使用的技术和编辑自己网站的内容。4、停止新建看看频道页,原有合作站点业务将于8月底正式关闭;5、8月底停止内容分享的内容更新,9月底正式关闭内容分享业务;推荐此类合作站点选择联盟的点播门户产品,让用户直接享受稳定的在线播放。
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The critical nitrogen content in heading period was used to calculate the biggest accumulation quantity of nitrogen. The latent distribution index of leaf and stem, which was the variety heredity parameter, were used to distinguish the difference in nitrogen assignment in different varieties. The dynamic content of the nitrogen accumulation before anthesis could be described with a Richards model. The dynamic content of the nitrogen remobilization in leaf with leaf area index could be described with a power model, and the nitrogen absorption of grain from soil with dry weight could be described with a power model. The dynamic content of nitrogen density in stem and spike with physiological development time could be described with a nonlinear model.
模型利用抽穗期植株临界含氮量来表达氮素最大积累量,引入叶片潜在分配指数和茎鞘潜在分配指数2个品种遗传参数来区别不同品种在器官间的氮素分配差异,采用Richards方程来描述大麦花前氮素积累动态变化;采用指数函数方程来描述叶片氮的转移量随叶面积指数的动态变化以及籽粒从土壤中吸收的氮量随干物重的动态变化;采用非线性函数方程描述茎鞘和穗部的氮浓度随生理发育时间的动态变化。
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And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.
同时,论述了一体化管理体系构建中的几个主要问题,包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。
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Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.
运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。
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If you're huffing and puffing at any point during the run, slow down and make sure you can take deep breathes.
如果你任何时候在跑步过程中气喘如牛,降低速度并且确保你能够深呼吸。