黄化

Results showed that the monochromatic lights were advantageous to the Pchlide reduction and biosynthesis for etiolation seedling of Phaseolus radiatus in illumination for 0.5 h at first. The monochromatic light did not favor for Chlide esterification after illumination for 2 h. Chlide esterification was controlled by the cell nucleus gene, because Chlide esterification rate was restrained to the seedling leaf of P. radiatus.

结果表明：绿豆黄化幼苗在光照最初0.5h，单色光有利于Pchlide的还原和新Pchlide的生物合成；光照2h后，单色光不利于Chlide的酯化；CH明显抑制绿豆幼苗子叶Chlide的酯化速度，说明Chlide的酯化是受细胞核基因控制。

In this research,physiological and biochemical properties of chlorotic C.

以上海不同典型地段(植物园、休闲广场、公路)和不同黄化程度的樟树为研究对象，揭示不同黄化程度樟树叶片的生理生化特性。

The result of the leaf anotomical structure, the chloroplast pigment contents and the photosynthetic characteristics can provide diagnosis and correction of the iron deficency, according to the degree of chlorotic leaf The regreening effect of iron compounds, concentration, pH value and mixture more compounds were stud...

对不同程度黄化叶片的解剖结构、叶绿体色素和光合特性的分析为缺铁黄化诊断和矫治提供依据。

The wheat plants showed slight P toxicity under high P and no zinc addition: developed yellow chlorotic and necrosis of the tip and margins of old leaves.

结果表明，高磷条件下小麦出现的缺锌黄化与磷中毒症状之间存在着明显区别，本研究结果支持高磷条件下作物出现的黄化是锌缺乏症状而非磷中毒的观点。

The research results obtained showed that, sulphonating extent of synthetic starch xanthate was high, under room temperature, time 120 minutes, mol ratio of starch, sodium hydroxide and disulphide being 10 : 4 : 3, It was to say that sulphur content and supplent extent were high.

研究结果表明，原料配比为：淀粉：NaOH：CS_2为10：4：3，反应温度为室温，黄化反应时间为120min，合成DX的黄原酸化程度高，即产品含硫量和取代度高。

Comparing the nucleotide sequences of 16S rRNA gene and ribosomal protein gene, we could find that these two strains have the highest homology of 99.4% and 99.8%, respectively. The nucleotide sequences of 16S rRNA gene for the CWB-YN strain shared higher homology (98.5%,98.9% and 98.0%) with phytoplasma strains in Tomato big bug 16SrI-A group, Western aster yellow (16SrI-B group and Clover phyllody (16SrI-C group). But it is obviously under 97.0% with other phytoplasma groups. The CWB-GZh strain shared higher homology (98.7%,99.1% and 98.3%) with phytoplasma strains in Tomato big bug(16SrI-A group ),Western aster yellow (16SrI-B group) and Clover phyllody (16SrI-C group).

苦楝丛枝病植原体云南株系与其它组16S rRNA基因序列的同源率进行比较，结果与16SrI-A组中的番茄巨芽病植原体(Tomato big bug，BB)、16SrI-B组中的西方翠菊黄化病植原体(Western aster yellow，SAY)和16SrI-C组中的三叶草变病植原体(Clover phyllody，CPh)同源率达最高，分别为98.5%、98.9%和98.0%，而与其它组的植原体16S rRNA基因序列的同源率均低于95%；苦楝丛枝病植原体贵州株系与16Sr I-A组的番茄巨芽病植原体(Tomato big bug，BB)、16Sr I-B组的西方翠菊黄化病植原体(Western aster yellow， SAY)和16SrI-C组中的三叶草变叶病植原体(Clover phyllody，CPh)的同源率达最高，分别为98.7%、99.1%和98.3%。

To clarify the energy transformation of photosynthesis in etiolated plants,thylakoid membranes from maize was studied at room temperature using steady-state fluorescence spectrum.

为了阐明黄化植物光合作用的能量传递过程，对提取的黄化玉米幼苗类囊体膜运用稳态荧光光谱技术进行研究。

The results showed that MS medium was the optimal basic culture medium; the regeneration frequency of leaf was the highest , then etiolated internode, internode was the lowest , their highest regeneration frequencies were 74.1%, 51.9%, 42.6%, respectively. The optimal dark treatment time for leaf and internode was 3 weeks; however the optimal dark treatment time for etiolated internodes was 2 weeks.

结果表明3种外植体的最适基本培养基均为MS培养基；叶片的再生效果最好，其次为黄化茎段，茎段最差，最高再生频率分别为74.1%，51.9%，42.6%；叶片和茎段的最佳暗处理时间为3周，黄化茎段的最佳暗处理时间为2周。

Measurement of cytochrome oxidase activity in germinated seeds, etiolated leaves and green leaves of pea indicated that the cytochrome oxidase activity was correlative to the importance of energy generation in the process of mitochondrial coupling respiration.

豌豆萌发种子、黄化苗和绿叶的细胞色素氧化酶活性测定表明，细胞色素氧化酶活性在黄化苗、萌发种子、绿叶中依次递减，与线粒体偶联呼吸产生能量在该组织中的重要性呈正相关。

However, Mn concentration in flowers of apple trees were lower than that in leaves, and it appeared increasing from flower blooming period to nutrient recycling period. Mn concentration in apple leaves with iron deficiency were lower than that without iron chlorosis, the degree of reduction were the same as iron chlorosis in apple tree, and Fe/Mn ratio increased.

从盛花期到养分回流期，苹果叶片锰含量逐步增加，与正常树相比，缺铁黄化苹果叶片锰含量明显下降，而且与叶片黄化程度加重的趋势一致，同时Fe/Mn比值升高。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。