大量元素

活性碳、微量元素、大量元素对烟草花药培养的影响

Effect of Activated Carbon , Microelement , Macroelement on Anther Culture in Tobacco

活性炭对烟草花药培养出苗的促进作用受培养基中大量元素、微量元素平衡程度的影响；

AC 's promotion of tobacco anther culture emergence was effected with macroelement and microelement 's balance level .

Mg是生物机体必需的大量元素，在生命活动中发挥重要作用。

Mg is an essential macronutrient , and plays a key role in living organisms .

多数植物大量元素含量的顺序为，K和Ca的含量均大于Mg的含量。

The contents of K and Ca in most of the plants are greater than that of Mg in plants .

结果是：提高原H配方中微量元素的倍数或降低大量元素的倍数有利于烟草花培出苗；

To raise the microelement or reduce the macroelement in H deriction was favourable of the rate of emergence in the anther culture ;

统计分析结果表明：大量元素、BA和NAA均对香樟茎段隐芽的发育以及愈伤组织的产生有显著影响。

The results showed that the tested three factors have significantly affected the growth of sprouts and callus .

当MS培养基中大量元素用量为全量时，大叶女贞的增殖系数达到最高。

When macro-elements in MS medium are applied for the whole amount of usage , the proliferation of Ligustrum lucidum Ait . has the highest coefficient .

以大量元素减半的1／2MS培养基为诱导阶段的基本培养基的生根效果显著好于MS培养基；

The results also indicated that 1 / 2MS medium was much better for root induction than MS medium .

各组分中大量元素K和N的含量最高，P的含量最低.微量元素中Mn和Fe的含量最高，Cu最低。

The contents of K and N were the highest , and those of P was the lowest in macro elements , and Mn and Fe highest and Cu lowest in microelements .

生长季中降雨除Ca的变化较大外，其他大量元素和微量元素的月际变化均较小，5～9月份林内雨多数元素养分含量月际变化曲线呈U字型。

The macroelements and the microelements monthly changes are little except of Ca during growing periods . The monthly change curve of macroelements contain in the forest is " U " .

叶面大量元素营养不仅改善了所施肥料成分中相应元素的营养状况，同时也促进了对其他两种成分的吸收，并且提高了N、P转运到籽粒中去的比例。

Foliar feeding of N or P and K fertilizer not only improved the corresponding nutrient status in plants , but also stimulated root uptake of the other two nutrients and increased translocation ratio of N and P to grain .

在WebSphereeXtremeScale解决方案的开发过程中有大量元素可用于处理数据检索、数据分布，以及需要考虑的其他方面的问题。

There are a number of elements in the development of a WebSphere eXtreme Scale solution that deal with issues of data retrieval , data placement , and other aspects that also need to be considered .

结果表明，在N、P、K大量元素一定的供给水平上，合理配施B、Cu、Mo、Zn等，对花生的生长发育和产量形成均有显著效果。

The results showed that when N , P , K were applied at appropriate levels , rational cooperation fertilizing B , Cu , Mo , Zn significantly enhanced peanut growth , development , and realization of production .

大量元素K，Ca，Mg在喷施植物动力2003后含量均有不同程度的提高，但差异未达显著水平。

After plant motive 2003 was sprayed on the leaves , major element content of K , Ca , Mg in leaves increased in varying degree in contrast to check , but the difference was not significant .

研究结果表明：耕地不同利用方式对土壤有机质及大量元素、交换性钙、镁、有效硅、锌、硼、土壤pH值和全盐含量有显著影响。

The result shows the significant influence of different cultivated land use types on soil organic matter and macronutrients , exchangeable Ca , Mg , available Si , Zn , B , soil pH value and total salt content .

诱导茎尖成苗的培养基为MS+6-BA0.5mg/L。繁殖脱毒苗所用的MS培养基为1/4大量元素+1/2微量元素，并用1/2食用白砂糖代替蔗糖，可使快繁成本降低48.7%。

The MS media for seedlings virus-free culture are 1 / 4 macro-elements + 1 / 2 micro-elements and using edible sugar instead of sucrose , so the cost of media could be decreased to 48.7 % .

结果表明：低产组大量元素需肥强度最大的主要为N，占该组的52.94%，微量元素需肥强度最大的以Zn和Cu为多，分别占该组的47.06%、41.18%；

The results showed that the maximally required nutrients in the low yielding group are N as macroelement and Zn and Cu as microelements , respectively accounting for 52.94 % , 47.06 % and 41.18 % in their group .

前胡的种子幼苗切段在含有1mg/l2,4-D的（1/2）MS固体培养基（大量元素减半）上，诱导产生愈伤组织。

Calli were produced from segments of seedling of Peucedanum dec - ursivum ( Miq . ) Maxim . cultured on the 1 / 2MS agar medium ( with half quantity of macronutrients ) containing 1 mg / 1 2,4-D.

本实验采用大田实验和盆栽实验研究了大量元素、微量元素以及生物活性物质（FA）对茉莉生长、产量与品质的影响。

The effect of mass element , minim element and bioactive compound ( FA ) on plant growth , yield and quality of jasmine was studied by the pot experiment and field experiment .

磷是植物生长和新陈代谢所需一种最重要大量元素之一，同时也是核酸、磷脂、ATP、酶、辅酶的一种关键性成分。

Phosphorus is one of the most important macronutrients required for plant growth and metabolism , and is the key component of nucleic acids , phospholipids and ATP as well as several enzymes and coenzymes .

土壤有机质和N、P、K等大量元素含量偏低，各种微量元素除了有效B含量很低以外，其它元素含量均丰富。植株生长量以海拔最低的葡萄园大于其它两地。

Soil OM and N , P , K were deficient , available microelements were plentiful except B. Grape growth and the ratio of sugar and acid content were lowering with the altitude of vineyards rising , total polyphenols and tannin contents of middle altitude vineyard was highest .

如果在一个名称空间中使用了大量元素，那么使用xmlns属性将该名称空间定义为默认名称空间。

If you have a lot of elements in one namespace , you can define this namespace as a default using the xmlns attribute .

采用MSB或MS大量元素减半，附加一定量的萘乙酸生根培养基，诱导生根率在80%以上，移栽成活率高达10%。

Roots were induced on MS or MSB medium with a half their major elements supplement with suitable amount of NAA . The induced rooting about 80 % and survial rate of the transplants was in high frequency reached 100 % .

这两类细胞数目与培养基中大量元素、肌醇和2.4-D浓度有很密切的关系。

The number of the two types of cells varied according to the concentration of macro-and micronutrients , myo-inositol and 2.4-D in the culture medium .

以东方百合‘Siberia’试管苗为材料，研究了激素种类及其质量浓度、蔗糖浓度、大量元素浓度、低温处理对试管鳞茎形成和膨大的影响。

The effect of the category and the concentration of hormone , the concentration of sugar and macro element , low temperature on bulblet formation and swelling were researched using plantlet of Oriental lily ' Siberia ' in tube .

而大量元素中含量过多的NH4NO3不利于丹参毛状根的生长，同时也不利于丹参酮类成分的积累和释放。

However , in the macroelements excessive NH4NO3 does not favor the growth of hairy root , the accumulation and release of tanshinones .

磷是植物生长发育所必须的大量元素之一，它在植物体内是一系列重要化合物如核苷酸、核酸、核蛋白、磷脂、ATP酶等的重要组成部分。

Phosphorus ( P ) is one of the important mineral nutrients for plant growth and development in higher plants . It is an important part of a series of important compounds , such as nucleotide , nucleic acid , nucleoprotein , phospholipid , ATP enzymes , in plants .

并通过比较三种不同稀土元素的光合效应差异，旨在阐明稀土元素独特的4f层电子和变价特征以及与植物必需大量元素钙的相似性对光合作用的影响。

We also compare the different effects imposed by three REEs treatments to clarify the mechanism how unique characteristics of REEs , such as 4f electron characteristic , alternation valence and the similarity to the Ca2 + , affect photosynthesis .

方法：以大量元素减半的MS培养基为基本培养基，通过研究BA，NAA和IBA对愈伤组织诱导、不定芽分化、不定芽增殖和生根的影响找出相应的最佳激素组合。

Method : Out the optimal hormone combinations for callus induction , adventitious bud initiation , adventitious bud multiplication and rooting were found out by using MS medium with the macroelements at half strength as basal medium and studying the effects of BA , NAA and IBA on the processes .

适当提高诱导培养基中的大量元素和微量元素的含量（大量元素为2MS，微量元素为1MS）可以提高根状茎平均单球重以及诱导率；

Proper to improve content of large number element of culture and content of trace element ( large number elements are 2 MSs , trace element for 1MS ), can improve average rhizome weight and induction rate .