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Result Wild castor preformed better in halophilism than that of cultivar castor Zibi 6 under the NaCl treatment. One of the salt tolerant mechanisms of castor is to improve K(superscript +) uptake and transport to overground portion, thus to maintain K(superscript +)/Na(superscript +) homeostasis in leaves; on the other hand, the high stability of Photoreaction System Ⅱ plays a key role in maintaining the leaf photosynthetic rate under salt stress.

结果]野生蓖麻较栽培蓖麻具更明显的喜盐特性;蓖麻的耐盐机制在于促进K的吸收和向地上部的运输,进而维持叶片的K/Na平衡;通过维持光系统Ⅱ的稳定性进而维持盐胁迫下叶片的光合速率。

The canopy structure and leaf morphological characters of 4 sugarcane genotypes at different leaf layers on seedling were studied by using CI-100 plant canopy instrument and CI-203 area meter instrument. The results showed the leaf morphological parameters, canopy structure and radiation transmission at different leaf layers were notably different among different genotypes. The variation of Ila, Amfi, Dl at different leaf layers were mainly caused by the leaf width at relevant position. The variation of K at different leaf layers was related to Amfi and Dl. The variation of Td(transm. coef. for diffuse penetration)had significant correlations with Ila, Amfi and Dl. The variation of Tr(transm. coef. for radiation penetration)had significant correlations with Dl, leaf width and the ratio of leaf length to width. The variation of Par had significant correlations with Ila, leaf area, leaf width and the ratio of leaf length to width.

摘要利用CI-100数字植物冠层分析仪和CI-203叶面积分析仪测定了4个甘蔗品种不同叶位层的冠层参数和相应叶位叶片的形态特征,结果表明:不同基因型不同叶位层间叶片形态、冠层空间结构和冠层辐射特征存在显著差异,不同叶位层叶面积指数、叶簇倾角和叶分布的变化主要由冠层内不同叶位叶片叶宽的变化引起,而不同叶位层消光系数的变化主要与叶簇倾角和叶分布有关;散射光透过系数的变化主要与叶面积指数、叶簇倾角和叶分布有关,直射光透过系数的变化主要与叶分布、叶宽、长宽比有关,光合有效辐射的变化与叶面积指数、叶面积、叶宽、长宽比有关。

In the seedlings time, the content of chlorophyll decreased by the deficiency of B, but the content of chlorophyll in the high efficiency cultivar decreased slowly than that of the low efficiency cultivar. This suggested that the leaves of the high efficiency cultivar can capture more light energy and the photosynthetic rate of the high efficiency cultivar decreased slowly. In the bolting time and blooming time, after two weeks of B deficiency treatment, the content of chlorophyll in the top leaves of the high efficiency cultivar decreased, and in the late time, the content of chlorophyll decreased slowly. But, the content of chlorophyll in the bellow leaves of the two cultivars had little changes. The reason may be that B in the high efficiency cultivar distributed to the propagative organ in the late growth, and the leaves were short of B.

苗期,缺硼导致甘蓝型油菜色素含量降低,且高效品种色素含量下降的幅度小于低效品种,表明营养生长阶段,同等程度的缺硼条件下,高效品种叶片对光能的收集能力以及光合速率下降的程度相对较小;苔期和花期,在两周的缺硼处理后,高效品种上部叶色素含量依然呈下降趋势,但随着生育期的推移,其下降幅度减小;而高效品种下部叶和低效品种叶片含量变化不大,可能是甘蓝型油菜进入生殖生长阶段后,高效品种将硼更多地分配到繁殖器官,而其叶片却承受了相对较大的缺硼胁迫。

The results showed that No.10 to No.30 leaves,charactered with longest growimg period,hight temperature accumulation,were main function leaves.From No.20 leave,sugar beet enter into beet root,sugar inercasing period.From No.55 leaf,it enter into sugar accumulation period.

叶片是甜菜的唯一光合器官,叶片的数量、寿命、生长与枯萎等都影响着甜菜块根的形成和糖份的积累,最终决定着甜菜块根的产量和含糖量,所以,对具有光合作用的功能叶片的研究,尤为重要。

Its main features are: algae body as a single cell or even into a variety of groups; cell walls composed of silica and pectin, but also by the structure of the shell and the shell under the combined set of the Cheng, vertical section view was "soap-box"-shaped; in the upper and lower shell surface of the shell are patterns arranged in patterns on both sides of the main mode of symmetry and radial symmetry is divided into two categories, for the classification of the most important basis; be able to campaign Type in the shell has a shell side seam, can not be changed no shell seam types; pigment body sheet or ribbon, 1 or 2, or for multiple small discoid, yellow green or brown, containing chlorophyll a, c, also contains fucoxanthin and silicon A flavin and other photosynthetic pigments; storage material mainly for oil droplets; reproduction mainly for cell division and cell division in diatoms obvious features are: each cell division, resulting from two sub-cells,, only one and the mother cell and so big, the other one is smaller.

其主要特征是:藻体为单细胞或连成各式群体;细胞壁由硅质和果胶质组成,而且在结构上都是由上壳和下壳套合而成,纵断面观呈&肥皂盒&形;在上下壳的壳面上有花纹,花纹排列的方式主要分为两侧对称和辐射对称两大类,为分类上的最重要依据;能运动的种类在壳面都有壳缝,不能动的种类均无壳缝;色素体片状或带状,1个或2个,或为多个小盘状,黄绿色或黄褐色,含叶绿素a、c,还含有墨角藻黄素和硅甲黄素等光合色素;贮藏物质主要为油滴;繁殖方式主要为细胞分裂,硅藻的细胞分裂的明显特点是:每次细胞分裂所产生的2个子细胞中,仅有1个和母细胞等大,另1个则稍小。

Using the scanning electron microscope, the starch granules were observed which gathering and stuffing in scale cell during bulb development.

用扫描电镜观察到鳞片细胞中明显的淀粉颗粒,并随鳞茎的发育充满整个细胞腔。14C示踪技术分析表明,含苞期的14C-同化物分配以地上部为主,集中在花苞部位;花后期的14C-同化物分配以地下鳞茎为主,其中下位叶标记处理的鳞茎分配量占植株总14C的比例达85.8%,证实了植株的光合产物在花后期主要供应鳞茎发育膨大所需。

The main causes resulted in the yield and quality difference among treatments were that it was beneficial to decomposing and releasing nutrients in compost when mixed EM and it was raised significantly for the rapid availability of Nitrogen, Phosphorus and Potassium in soil applied EM biological-organic fertilizer, which increased the Nitrogen, Phosphorus and Potassium nutrient content in stem, leaf blade and ear and improved the organism function, and then the chlorophyll content and rate of photosynthesis of crop functional leaf blade were raised, the strengthened photosynthesis increased the plant dry matter content, thereby laid a foundation for seed-filling.

分析产量提高和品质改善的原因,得到以下结论:EM的加入促进了有机肥养分的分解和释放,EM生物有机肥土壤的有效氮、磷、钾含量显著提高,充足的肥料供给使植株的N、P、K含量增加,机体的功能得到改善,作物功能叶片的叶绿素含量和光合速率提高。光合作用的增强促使植株干物质积累量增加,从而为灌浆和籽粒饱满打下坚实的基础。

The machine has two drafting zones to have the slivers to be further double and drawn to improve the fibers to be more straight and parallel. The 4 calendars make up a "S-type" mechanism, which can adjust the pressure to the lap, ensuring a perfect lap winding up on the two big calendars, having the best fiber arrangement and best fiber evenness.

采用两区牵伸对预并后的棉条进一步并合牵伸,提高纤维的平行度及伸直度,经过排列为S形的四根压辊轧光合可调的棉卷加压装置,保证了在两个大成卷罗拉上形成的棉卷,具有的最佳的纤维分布和最优的均匀结构。

It proves that tree top leaves suffer from water stress and hydraulic limitation becomes greater with tree height.Water stress influence tree height growth in several aspects:firstly is the influence of exterior water condition,and community average tree height is positive with exterior water condition.Secondly, hydraulic limitation influences individual tree structure and function.Xeromorphic structure,Lower water potential and turgor pressure limit cell division and expansion,which restrict gas exchange and carbon assimilation capability.However,respiration consumption increases with the spread of tree crown.Shortage of nutrient limits carbon investigation on new leave growth and may ultimately limit tree growth.Thus,the main limitation of tree height is water.

水分对树高生长的限制首先是外在的水分状况,群落的总体高度随外界水分状况的变差而变矮;再就是水力限制对单株树木的结构和功能的影响,水势降低、膨压减小使细胞的分裂和扩展受限,旱生型结构加剧水力对气体交换能力的限制、使光合碳同化能力受到限制、而呼吸消耗却随着树木个体的增大而增大,制造营养物质不足、使得营养亏缺、造成投入新枝叶的营养受限,最终限制了树高继续增长。

Treatments were as follows: fertilization during leaf-expansion period, fertilization during green-leaf period, and no fertilizer. Results showed that individual leaf area, thousand-leaf weight, and leaf distribution were relatively stable with little influence from fertilization. Fertilization during leaf-expansion compared to the green leaf period significantly increased leaf number, leaf weight per plant, and leaf area index. Fertilization during led-expansion also significantly increased the total weight of leaves corresponding to each branch. The 14th to the 17th branches had the largest number of leaves in the canopy with fertilization increasing the weight of each branch but not changing the center of the canopy.

结果表明:毛竹单叶面积、千叶质量和叶片分布受施肥的影响较小,是较为稳定的指标;展叶期施肥处理(处理1)能显著增加单株立竹的叶片数量,到7月底,其单株立竹叶片总质量和叶面积指数分别比绿叶期施肥(处理2)提高14.8%和13.7%,比不施肥提高27.6%和24.5%;冠层14~17档是单枝叶片数量最多的区域,施肥能增加各枝盘叶片的质量,但对林冠重心的分布无影响;单叶叶面积稳定后(6月),处理1的叶绿素测定值和光合速率显著高于处理2和对照,而处理2与对照间无显著差异。

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The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了,排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意,我建议我们在价格上大家各让一半。

After an hour and no pup, look for continued contractions and arching of the back with no pup as a sign of trouble.

一个小时后,并没有任何的PUP ,寻找继续收缩和拱的背面没有任何的PUP作为一个注册的麻烦。