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NO osmoregulation and cell wall elastic adjustment was shown under soil droughton half-part roots condition.

分根干旱条件下,叶片中没有渗透调节和细胞壁弹性调节的发生。

To some degree, this study revealed the relationship between ossein and bone miner and the important preventive and therapeutic effects of ossein on OP. It provides theoretical and experimental basis for the research and development of effective prescriptions to cure OP. Limited by the actual experimental situation, we only did some study on the synthesis and content of type Ⅰ collagen. Further study on the changes of decomposition and structure of type Ⅰ collagen are needed to be done.

本课题的研究,在一定程度上揭示了骨胶原纤维和矿物质之间互根互用的辨证关系,及Ⅰ型胶原在骨质疏松症的发病和治疗中所起的重要作用,并为开发研制治疗本病的有效中药复方提供了理论和实验依据,但由于条件所限,本研究仅就Ⅰ型胶原的合成及其含量变化做了初步观察,而本病中骨胶原纤维的分解代谢及其结构的改变,尚待进一步探讨。

The studies show that Ginseng red coating root disease is a non infectious disease.The direct cause is that under the special soil environment,the Fe2+,Fe3+ around the roots is fixed,oxidized and deposited in phellem of the roots,and it cause the changes of the regular physiological and biochemical activities in Ginseng plant,it is a comprehensive action of many factors.

结果表明:人参红皮病为非侵染性植物病害,其发生的直接原因是在特定的土壤条件下,Fe2+、Fe3+在参根周皮木栓层固定、氧化沉积和参株不正当的生理生化活动综合作用的结果。

Nine species of ectomycorrhizal fungi were grown in liquid media to determine their ability to use rock phosphate as a sole source of phosphorus.

研究了9种外生菌根真菌在纯培养条件下,对磷矿粉的活化利用情况。

Gentleman orchid drenchs rot the root dies after water, the likelihood has the reason of two respects, it is basin earth too wet, because gentleman Lan Xihuan is loose,understand the edaphic requirement that appear, once basin earth is medium moisture is too big, its bulky flesh pledges the root arrived to will come in October between November, already entered stop to grow or grow very slow condition, do not need how many moisture, need to hold basin ground only wet can, drench water causes those who rot the root is unavoidable too much; 2 it is you drench when water, flow into the phyllome center of plant the dirt that will have smudgy part along with all the others, and at this moment water of blade rising bad news is less, sewage accumulating is inside Xie Cong, also can choose sodden heart sodden root.

君子兰淋水后烂根死亡,可能有两个方面的原因,一是盆土过湿,因君子兰喜欢疏松通透的土壤条件,一旦盆土中水分过大,其粗大的肉质根到了10月至11月间,已进入停止生长或生长很慢的状态,不需要多少水分,只需要保持盆土湿润即可,淋水过多造成烂根是在所难免的;二是你淋水时,将会有脏污成分的尘土等一并流入植株的叶丛中心,而这时叶片蒸腾耗水较少,脏水积在叶丛内,也会选成烂心烂根。

In this study, laboratory bioassays were carried out for rapid initial evaluation on the resistance of 10 grape rootstocks and 18 cultivars to Chinese biotypes of grape phylloxera, Daktulosphaira viticola. The survival ratio, developmental duration, egg number and index for population age constitution were evaluated.

为了检测我国葡萄品种和砧木对中国生态型葡萄根瘤蚜Daktulosphaira viticola的抗性,在实验室条件下采用离体根接种法鉴定了10个葡萄砧木、18个葡萄栽培品种,测定了根瘤蚜存活率、发育历期、产卵量、种群龄期结构指数和成虫大小等指标。

To investigate genotype×environmental temperature interactions for seed vitality QTL,a set of 282 F_(13) recombinant inbred lines derived from a japonica/indica rice cross were assessed for four seed vitality traits,i.e.germination rate,radical length,plumule length and plumule dry weight,at three temperatures of 25,20 and 15℃,respectively.

为了揭示基因型与环境温度之间的互作对种子活力的影响,利用1个粳籼交来源的重组自交系群体,采用纸卷法在15、20和25℃条件下进行发芽试验,考察了发芽率、芽长、根长及干重等4个种子活力相关性状。

Prey selection and foraging behaviour of the steppe polecat Mustela eversmanni were investigated with plateau zokors Myospalax baileyi, plateau pikas Ochotona curzoniae and root voles Mirotus oeconomus offered as preys for paired comparisons in the laboratory.

在室内条件下,将高原鼢鼠、高原鼠兔和根田鼠作为艾虎的猎物选择对象,研究艾虎对猎物的选择性及艾虎捕杀猎物的行为时间分配。

The discharge calculation coefficient k,x can be used to the discharge calculation under the condition of fixed numerical value,solves some special demands in water power planning and design and similar calculation of unsteady flow in the pondage water power station.

马斯京根法流量演进系数K,x,在数值不变的条件下应用于河段短时段的流量演算,解决了水利水电工程规划设计中的一些特殊要求和水电站日调节不稳定流演进的近似计算问题。

The three actinomyces strains all have inhibition to the five strawberry pathogenetic fungi. After puddling treatment raise seedlings and dipping root pot culture test, they can improve each part's biomass of the strawberry plant and make the strawberry produce induced endurance.

由此得出结论:供试生防菌在皿内能抑制草莓常见土传病病原菌生长;在拌土育苗和蘸根盆栽条件下均能显著促进草莓根系发育及茎叶生长,并使草莓产生诱导抗性。

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This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。

There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.

双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。