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The effects of temperature on the mycelial growth of Rhizoctonia solani AG-l-IA and on its infection in maize were also studied.

本文从四个方面进行了研究:(1)研究了苯丙氨酸解氨酶生理病理变化及其与抗病性的关系;(2)在人工控温条件下,研究温度对玉米纹枯病菌菌丝生长、菌核萌发和侵染的影响;(3)建立人工病圃,系统监测玉米纹枯病的田间发生动态;(4)采用人工接种方法对一批玉米材料进行抗纹枯病的鉴定和评价,继续寻找新的抗源和抗性评价指标。

According to the relevant datums and field investigations, the paper makes No. 316 national highway in South region as research region to analyze the conditions of inoculating disasters and slope s transform destruction model and draws such conclusions:(1)Many factors such as terrain, geomorphic, lithosome and solum character, geologic structure, neotectonic movement, rainfall condition, groundwater trait, anthropokinetic and so on influence on the study region, which make the geological disasters occurred frequently and generate enormous hazards.(2)The geological disasters have such distribution characteristics: terrain and tectonic make geological disasters development of osculating correlated property, relative concentrate property, packet property, periodic property and so on.

本文首先在搜集相关资料和野外调查的基础上,以陕南316国道公路为重点研究区,全面分析了研究区域内地质灾害的孕灾条件与斜坡变形破坏模式,得到了以下认识:(1)研究路段地质灾害的发生发展主要受控于区内地形地貌、岩土体特性、地质构造与新构造运动、降雨条件、地下水特征及人类工程活动等因素:(2)研究路段发育滑坡、崩塌、泥石流和危险斜坡等四种地质灾害,具有如下的分布特征:地势与构造对地质灾害发育的密切相关性、相对集中性、群发性、周期性等;(3)研究路段斜坡地质灾害主要有六种变形破坏模式分别为:顺层滑动破坏、蠕滑—拉裂变形破坏、弯曲—拉裂—剪断破坏、旋转式滑移—拉裂破坏、楔形体滑动破坏、堆积层沿基岩面的滑动破坏模式,而且斜坡灾害的变形破坏往往是多种模式的组合。

In particular, a period of rifting /relative sea-level fall occurred in the late Givetian-early Frasnian and resulted in the reactivation of basement lineaments as normal faults, basic volcanism and subaerial exposure in much of Novaya Zemlya.

尤为特别的是,中泥盆世晚期至晚泥盆世早期曾发生一个时期的断裂/相对海平面下降,从而造成了底层线型构造再生为新地岛大部的正断层、基性火山活动和地缘暴露带。

Traditional ways of demarcation tends to focus on revelation of the characteristics of essential facilities that have proved far from satisfactory,among which,the criterion laid down by the court in the case of MCI seems tautological in logic;the public welfare criterion appears to transfer a vague issue into an even indefinite one;while the competitor standard ignores the integral effectiveness of the whole market;...

其中,美国"MCI"案中法院提出的标准存在逻辑上的同语反复;公共利益标准将有待澄清的问题转化为了另一个不确定的问题;竞争者标准忽略了市场的整体效果;消费者偏好标准只是对于特定情况的处理,不能成为一个基本的判断标准。核心设施界定的关键是对"不可复制性"的理解,通过借鉴相关市场界定的方法,可以确定替代发生的范围,以及替代实现的程度,从而对正确地适用核心设施理论提供新的思路。

Organozinc reagents can react with a variety of α,β-acetylenic ketones and aldehydes in the absence of any catalyst. The one-pot reaction affords β-branched Baylis-Hillman type adducts, the multifunctionalized alkenes, in excellent yields with high stereoselectivity.

这种顺式亲核加成反应的发生是由于该类有机锌试剂既具有较强的亲核性,又具有Lewis酸的特性,使有机锌中R基团从同位进攻中心碳原子而形成新的碳碳键。

Based on data collected at four stations in Daning River in the spring of 2004 and 2005, phytoplankton community structure, vertical distribution, abundance, biomass, C contents, diversity index, richness index and evenness index were studied. The causes of eutrophication and water blooms in Daning River were analysed and control measures were then put forward. The dominant species were Asterionella Formosa, Cryptomonas ovata, Cyclotella caspia, Stephanodiscus neoastraea in the spring of 2004 and those were Pandorina morum, Eudorina elegans, Cyclotella caspia, Cryptomonas ovata in the spring of 2005. Average cell densities, biomass, C contents in the spring of 2004 and 2005 were 171.1×10^5 cells/L, 12.2 mg/L, 1732.2g C/L and 113.1×10^5 cells/L, 10.1 mg/L, 1395.9g C/L, respectively.

报道了大宁河2004年春季和2005年春季浮游藻类的种类组成、垂直分布、数量、生物量以及C含量的调查结果,并应用多样性指数、丰富度指数和均匀性指数对其水质进行了综合评价;对大宁河蓄水后出现的富营养化现象和春季发生&水华&的原因进行了探讨,同时提出了控制水体富营养化的建议。2004年春季,藻类优势种为美丽星杆藻、卵形隐藻、里海小环藻和新星形冠盘藻;2005年春季的优势种为实球藻、空球藻、里海小环藻和卵形隐藻。2004年和2005年的细胞密度、生物量和C含量分别平均为171.1×10^5 cells/L,12.2 mg/L,1732.2g C/L和113.1×10^5 cells/L,10.1 mg/L,

In the historical evolution of mathematic thought, content and method, m athematic truth has assumed some postmodern characteristics.The targets of the pursuit of mathematic truth have changed from the objectives and valu es of metaphysics to the relative and varied theoretical constructions.Mat hematic truth is an open system with different levels and frameworks. It h as transcended the scope of natural truth and has generated a new dimensio n,i.e.,selectivity.Both formalization and non-formalization are effec

在数学思想、内容与方法的历史性变革过程中,数学真理的观代性开始发生转向,逐步表现出一些后现代特征:数学真理从追求形而上学的目标与价值转向追求相对的、多样化的理论构建;数学真理是一个具有不同层次性和等级结构的开放体系;数学真理超越了自然真理的范畴,开始生长出一种新维度——可选择性;形式化与非形式化都是获得数学真理的有效手段。

Results The modified procedure was better than the conventional method in terms of rarely occurrence of various complications,such as obstruction of afferent loop,fistula of duodenal stump,fistula of gastrojejunostomy,reflux gastritis,esophagitis,and dumping syndrome,etc.The patients'nutritional status was improved.

新术式能有效地减少和防止输入袢梗阻、十二指肠残端漏、胃空肠吻合口漏、反流性胃炎、食管炎、倾倒综合征等并发症的发生,并能改善术后病人营养吸收不良的状况。

The New Rice Variety Liaoxing 1,with high eurytopicity has higher photosynthesis rate,higher stoma conductance,higher SPAD,higher ingather quotiety than other largely planted varieties in Liaoning Province,when planted in the rice area from 39°N to 43°N.Different from other varieties,when planted in four spots in different latitudes,the yield components of Liaoxing 1 change little and so it keeps higher yield level.

水稻新品种辽星1号具有很强的广适性,从北纬39°到北纬43°布点试验,用L6400光效测定仪测定辽星1号及其对照品种的光合速率、气孔导度、叶绿素含量、经济系数等指标,在4个不同纬度,辽星1号的各项指标均显著地高于辽宁其它主栽品种;产量结构没有发生很大变化,产量始终表现出较高水平。

There is increased mortalityamong surgical ICU patients who develop new-onset atrial arrhythmiasafter noncardiac, nonthoracic surgery.

非心胸手术后新发生房性心律失常的外科 ICU 病人的死亡率增。

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However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.

然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口,替代木托盘,免薰蒸,符合欧盟、北美各国对出口货物包装材料的法令要求;喷涂钢托盘适用于重载上货架之用,托盘表面根据需要制作成平板状、波纹状及间隔形式,满足不同的使用要求。

A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.

付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。