查询词典 deterioration

Soil erosion is one of the main environmental problems in the world ,it is the root cause of land deterioration 、 soil fertility degression、 soil physico -chemical quality bad、 land use capability felling and ecological environment deterioration.

土壤侵蚀是世界上的主要环境问题之一，是造成土地退化、土壤肥力下降、土壤理化性质变劣、土地利用率降低、生态环境恶化的根本原因。

Concrete durability is a wide range of diseases, has a general role in the deterioration factor, there are special deterioration factor.

混凝土耐久性病害是多方面的，有一般作用的劣化因子，也有特殊劣化因子。

The modernization city bring the problem of the environmental deterioration,here the deterioration is being build more and more buliding and the air being polluted by the unprimitive industry.People can't touch the ture nature,there more people choose to go into the groggery,ktv,and even some person consider gamble to the way of killing time.The trend of traffic accidents,family violence and many society's destabilizing factors will increasing instead of reducing pressure.

城市的现代化也带来了城市环境的"恶化"，这里的"恶化"指得是高楼地不断拔地而起，空气被工业的发展所污染，人们能接触到的真正的自然环境正日益在缩小它的范围，人们能选择的休闲方式也从大自然中走到了酒吧，KTV，甚至有的人以赌博作为自己的休闲方式，这些休闲方式往往会让交通事故，家庭暴力以及很多社会不安定因素成上升趋势，而并非能真正起到减少压力的效果。

In this paper, the author introduced inductively the types of deterioration of world-famous ruins of Gaochang, and analyzed preliminary on mechanism of deterioration in two aspects of nature and human attempt.

内容提要：本文在现场调查的基础上，对世界闻名的高昌故城的病害类型作了归纳性概述，并从自然和人为两个方面对病害产生的因素作了初步分析。

The pollutive bacteria respectively inoculates in the new-made yogurt drink, the color deterioration is observed, thus the reason of the color deterioration of the Yogurt drink is the bacterial pollution .

目的初步观察传统气管插管操作方法对气管内细菌污染的影响，并评价保护性气管插管操作方法预防气管内细菌污染的效果。

The algorithm is proved to be convergent theoretically and implemented for numerical calculation.Thirdly, two kind problems of multi-unit system maintenance based on the discrete-state deterioration model are analyzed:To achieve the optimization aim of series system consist of two types of units with different failure mode, an opportunistic policy is presented to combine the corrective and condition-based maintenance. The optimal model based on this policy is built and an iteration algorithm based on sequential decision is proposed according to the characteristic of discrete-state deterioration model.

第三、在部件优化分析的基础上，针对基于离散状态劣化模型的多部件系统视情维修决策中的两类典型问题，提出了相应的机会维修策略和优化分析方法：(1)针对串联系统由分别采用视情维修和事后维修的两类部件组成的情况，提出了一类事后维修与视情维修相结合的机会策略，建立了相应的多部件系统维修优化模型，并根据离散状态劣化模型的特点，提出了一类基于序贯决策的求解方法。

Further comparison of the vascular bundle sheath sclerenchyma cell deterioration in separate plants infected with an additional four CTV isolates, CTV-2, T-TX8, T-TX9 and T-TX24 showed that there were significant differences in scleranchyma cell deterioration in principal lateral vein, midvein, petiole, and healthy control with all four CTV isolates (P=0.000 1, F=80.60, df= 47). Healthy plants had no such sclerenchyma cell deterioration.

CTV-2、T-TX8、T-TX9 、T-TX24等另外4个柑橘速衰病毒株系分别侵染后，主支脉、中脉、叶柄维管束鞘厚壁细胞的衰退与对照差异显著(P=0.000 1， F=80.60， df= 4，7)，健康植株厚壁细胞没有退化。

Pylori infection or medication effects on gastric protection mechanisms, there is no research that He Kele, soft drinks will lead to deterioration in the stomach, was a large pot or eat Mala Jiejiujiaochou Mengguan, over-stimulating Mucosa may lead to deterioration of gastric ulcer.

答：胃溃疡与幽门螺旋杆菌感染或用药影响胃壁保护机制有关，目前并无相关研究指出，喝可乐、汽水会导致胃部恶化，倒是大量吃麻辣锅或借酒浇愁猛灌，过度刺激黏膜，可能造成胃溃疡恶化。

The modernization city bring the problem of the environmental deterioration,here the deterioration is being build more and more buliding and the air being polluted by the unprimitive industry.People can't touch the ture nature,there more people choose to go into the groggery,ktv,and even some person consider gamble to the way of killing time.The trend of traffic accidents,family violence and many society's destabilizing factors will increasing instead of reducing pressure.

城市的现代化也带来了城市环境的&恶化&，这里的&恶化&指得是高楼地不断拔地而起，空气被工业的发展所污染，人们能接触到的真正的自然环境正日益在缩小它的范围，人们能选择的休闲方式也从大自然中走到了酒吧，KTV，甚至有的人以赌博作为自己的休闲方式，这些休闲方式往往会让交通事故，家庭暴力以及很多社会不安定因素成上升趋势，而并非能真正起到减少压力的效果。

They are interweaved. Urbanization will lead to the deterioration of natural environment, and the deterioration of natural environment is not the only effect of urbanization.

论文构建了从种群生态学、群落生态学和景观生态学为体系的自然遗产地的技术层面的理论框架，并且指出，应用任何一种理论都是危险。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。