查询词典 root

An extended kalman filter adaptive algorithm is presented in combination with the extended kalman filter and the current statistical model. A root square unscented kalman filter adaptive algorithm is presented in combination with the root square unscented kalman filter and the current statistical model.

另外将经典的推广卡尔曼滤波与当前统计模型相结合，推导了推广卡尔曼滤波自适应跟踪算法；将基于采样策略的平方根无迹卡尔曼滤波与当前统计模型相结合，推导了平方根无迹卡尔曼滤波自适应跟踪算法。

To investigate the response of plant growth and antioxidant system to changes of root temperatures, roots of six cucurbit plants were exposed to three different root-zone temperatures: low (14℃), middle (24℃) and high (34℃), while aerial parts of plants were maintained at the same natural ambient temperatures (23-33℃). The six cucurbit plant species could be classified into three groups with figleaf gourd and turban squash being I group (heat-sensitive but cold-tolerant), cucumber and melon being II group (heat- and cold-sensitive) and bitter melon and wax gourd being III group (heat-tolerant but cold-sensitive), i.e.

为了探究植物生长与活性氧代谢对根际温度变化的响应，以六种温度敏感性不同的瓜类作物为试材(组Ⅰ，黑籽南瓜与美洲南瓜，耐冷但热敏感型；组Ⅱ，黄瓜与甜瓜，冷敏感与热敏感型；组Ⅲ，苦瓜与冬瓜，冷敏感但耐热型)，分别将其根系置于不同的温度环境中：低(14℃)、中(24℃)与高(34℃)三种温度条件下，而地上部保持与外界空气相同的温度(23-33℃)环境中。

With KEN NONG-4 as experimental material, the text studys that Chemical control seed coating and general seed coating impacts upon lateral root anlage Initiating of soybean seeding, meanwhile analyzes dynamic changes of plant endogenous hormone contents in the course of lateral root anlage Initiating by experiment of vertical plank germination.

以垦农4号为试验材料，利用垂直板发芽试验研究了化控种衣剂和常规种衣剂对大豆幼苗侧根原基发生的影响，并对侧根原基发生过程中植物内源激素含量的动态变化进行了相应的分析。

Root initation may be stimulated by auxin from the shoot, and auxins have been shown to move toward the root eips.

生长素刺激细胞增大，通过抑制侧芽的发育从而维持顶端优势，根的发生可能是通过芽产生的生长素刺激的，而且生长素可以沿着根尖运输。

Among three auxins , IAA at low concentration was the best for growth of Type Ⅰ hairy root, while 1mg/l IBA was the most suitable for growth of Type Ⅱ hairy root.

在发状根的继代培养基中添加外源生长激素（IAA、IBA、NAA），低浓度的IAA更适合于Ⅰ型发状根的增殖培养，而在促进Ⅱ型发状根的增殖和侧根形成方面，1mg/lIBA的作用最强。

Cytokinins move through the plant less readily than auxins or gibberellins and appear to move in opposition to auxins—from root upward to shoot, not shoot downward to root.

细胞分裂素不像生长激素或者赤霉素那样容易移动，看起来他们和生长激素移动的方向相反——从根部到芽，而不是由芽到根部。

Everyone sees, whether seem a lot of stub banyans, is the branch and trunk of banyan in fact on have a long root, there is many root to keep hanging ground, usually give the person the illusion.

大家看，是不是像是很多株榕树，其实是榕树的枝干之上有长根，有许多根直垂到地上，常常给人错觉。

The leaf area index, photosynthetic potential and dry matter accumulation were lower for the SHY rice than those for the CK at the early growth stage, and their differences were not significant between the two rice types at heading, and were greater for the former than the later after heading. The root-shoot ratio at each growth stage, root bleedings from heading to maturity, grain-leaf ratio, translocation percentage of the matter from stems and sheaths and harvest index of SHY rice were greater than those of CK.

超高产水稻各生育时期的根冠比、抽穗至成熟的根系伤流量以及粒叶比、茎鞘物质运转率和收获指数均显著高于CK；超高产水稻花后叶面积指数、剑叶叶绿素含量、光合速率、PSⅡ最大光化学效率均显著高于对照，非光化学猝灭系数显著低于对照。

Discovered cycads'root system is fibrous root system,it is not taproot sysem which was widely thought in former times.

发现苏铁类植物根系为须根系。而过去均认为苏铁类植物为直根系。6。

It's not just root in his life and experience, but also root in the evolvement of late Tang Dynasts.

这除了与词人的生活经历有密切联系以外，与晚唐社会的结构演变也有着很大关联。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。