区
- 与 区 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
The conclusion of paper conclude two parts:1. the hand of the Geological Character(1) Shandong conclude six research plots: the hard magma rock plot, the hard sediment rock plot, the plain and riverway alluvium-proluvial plot, the alluvium strand plain plot, the bajada plot and the mountain front sedentary plot.(2) The span of physical and mechanical index is effected by the character of stratum and geological zone. The normal value of physical and mechanical index is not even. The coefficient of variation of synthesis is bigger than the coefficient of laminate. The coefficient of variation is divided into three level: dry density
为获得满意的成果,主要进行以下研究内容:分析研究山东省的地形地貌特征、地层岩性特征、地质构造特征、地下水特征、地质灾害特征及第四系分布特征等,全面系统地了解了山东省的区域地质特征;将山东省划分为两个研究区和六个研究亚区,给出各个研究亚区的工程地质特征和典型地层柱状图;根据山东省已建高速公路的工程勘察资料,统计分析3957个样本点,得到各研究区典型地层的地基承载力取值范围和9个物理力学指标的标准值;利用ARCVIEW和
-
The authors mainly analyzed the cause of formation and the status of soil and water loss in blackland, and using the grey system theory to build a model to forecast the rate of the change about physical and chemical of blacksoil. At the same time,the prevention and cure measures and new technology of monitoring soil and water loss on sloping land in blackland are presented.
就黑土区水土流失的成因及现状进行分析,利用灰色系统理论,对黑土区土壤的主要物理化学性状进行建模预测,预测出未来黑土区土壤的理化性状的变化趋势,同时论述黑土区水土流失的防治及监测的技术研究进展。
-
Glass formation range of erbium borosilicate glasses was explored in this paper by the new method.
用新的玻璃形成区研究方法探索了铒硼硅酸盐玻璃的形成区范围,研究了Al2O3含量和Er2O3含量对玻璃形成区的影响和相应的玻璃形成区图。
-
The results showed that Hyphae, conidiophore, conidium and chlamydospore of biocontrol strains ZK7 and IPC were found in the rhizoplane, Hyphae of ZK7 and IPC penetrated epidermal cells to deep cortical cells but not in phloem tissue and xylem vessels, biocontrol strains ZK7 and IPC also crossed and even grew within epidermal and conical cell walls without any visible alterations of the plant cell.
生防菌ZK7和IPC菌株能以菌丝方式稳定定殖于烟草根表的根冠区、伸长区、根毛区、成熟区等不同部位,而在根内的定殖仅局限于根表皮层较深的细胞组织,不能侵入烟草根部的韧皮部和木质部组织。
-
Methods (1)We observed the serial sheet sections of the optic apex region obtained using collodion microtomy in 4 adult cadaver heads;(2)High resolution CT scanning and three dimensional images of the optic apex region were observed and measured in 10 adult volunteers;(3)High resolution magnetic resonance images of the optic apex region were obse.
①采用火棉胶切片技术对4例(8侧)成人眶尖区标本进行连续薄层断层解剖学观察;②使用高分辨力CT及三维重建技术观测10例(20侧)志愿者眶尖区;③观测5例(10侧)志愿者眶尖区高分辨力MRI断层扫描图像;④对30例(60侧)成人干颅骨标本和15例(30侧)成人湿性头颅标本的眶尖区结构进行显微解剖;⑤在手术显微镜和内窥镜下对3例成人头颅湿性标本模拟眶内经颅入路。
-
This dissertation first puts forward the model of driving force transformation which the contact region of stator and rotor is divided into three relative sliding areas such as braking—driving—braking by means of research on vibration characteristics of USM stator surface points and micro driving course to rotor, this model can explain variation regularity of USM load characteristics, moreover, simplified calculation formula of rotor driving force concerned with stator teeth is set up.
本文通过对行波超声马达定子表面各点的振动特性和定子对转子微观驱动过程的研究,首次提出将定子和转子接触区划分为制动区—驱动区—制动区三个相对滑动区的驱动力转换模型,这一模型能够解释超声马达负载特性变化规律,并建立了计及定子齿的转子驱动力计算简化公式,该式能应用于多于两个定子齿驱动的转子驱动力计算。
-
The presence of early CT signs has been reported to be a predictive sign of hemorrhagic complications after reperfusion therapies[4, 5, 13 18]. Our study has also demonstrated that the rate of symptomatic hemorrhagic complications showed a tendency to increase as the grade of early CT signs increased, although a statically significant difference was not proved. A grade III CT sign may be a predictive sign for hemorrhagic complications after reperfusion therapy. In contrast, the presence of a grade I CT sign may not contraindicate reperfusion therapy.
本研究也显示:尽管彼此间均无统计学显著差异,但血管内再通治疗后症状性出血并发症的发生率,在深部大脑中动脉分布区未出现早期CT征象的患者、出现I级早期CT征象(细微低密度区局限于岛叶,基底节区正常)的患者、出现II级早期CT征象(部分壳核后外侧区出现低密度)的患者、出现III级早期CT征象(整个豆状核区均出现低密度)的患者中,呈逐渐增加的趋势。
-
Actually ,signals are processed from low frequency domain to high one by modulation firstly and alternating current amplification secondly.It can also improve anti-interference抗干扰 ability of circuit and signal to noise ratio of signals.
实际中往往采用更有效的先调制而后交流放大,将信号从低频区推移到高频区,也可以提高电路的抗干扰能力和信实际中往往采用更有效的先调制而后交流放大,将信号从低频区推移到高频区,号的信噪比。
-
Ervertebralis of scoliosis goat apical vertebral,there is no significant difference in distribution of any two sections' sympathetic fiber in normal peoples annulus fibrosus disci intervertebralis,and there is significant difference between the sympathetic fiber distribution of convex side and concave side in annulus fibrosus disci intervertebralis of AIS apical vertebral-the sympathetic nerve supply of convex side to gain advantage concave side.
结果成功构建山羊脊柱侧凸模型,研究发现正常山羊椎间盘纤维环四个区的交感神经分布无显著差异;侧凸山羊顶椎区椎间盘凸凹侧纤维环交感神经分布无显著差异;正常人椎间盘纤维环四个区的交感神经分布无显著差异;青少年特发性脊柱侧凸患者顶椎区椎间盘凸凹侧纤维环交感神经分布有显著差异,凸侧明显多于凹侧。
-
Climatic gradients were based on data sets from 841 meteorological stations throughout China. Definitions for floristic distributional patterns were based upon the work of Prof. Z. Y. Wu. Most of these floristic distributional patterns were strongly correlated with the geographic gradients in climate, except for cosmopolitan, cultivated and invasive genera. Tropical genera form a large fraction of the total genera (ranging from 0.84% to 94.38% in the regional floras) with the highest proportion in southern Yunnan and Hainan Island. Tropical genera occur predominantly in southern China of 0° N latitude and decreased with increasing latitude, as would be expected. Interestingly, the disjunct Tropical Asia and Tropical America distribution were not restricted to southern latitudes. Temperate genera account for 5.1% to 98.83% of the total genera in regional floras with the highest proportion in the province of Xinjiang. Most of these genera followed geographic gradients in climate as expected (temperate genera conspicuously dominate the landscape at higher latitudes), except the East Asian and North American disjunct distribution, Eastern Asian distribution and Chinese endemic distribution. Generally, most plant genera demonstrated some correlation with climatic and geographic gradients. The most important gradients were those of annual air temperature and precipitation. A small fraction did not demonstrate significantly particular pattern:"Cosmopolitan","East Asian and North American disjunct","Eastern Asian" and "Chinese endemic" distributions. The North Temperate distribution had the highest correlation with mean annual air temperature and precipitation.
结果如下:(1)除世界分布、栽培和入侵成分外,大部分中国种子植物属的地理成分的分布与地理相关密切;(2)热带分布属(泛热带分布、热带亚洲至热带美洲间断分布、旧世界热带分布、热带亚洲至热带大洋洲分布、热带亚洲至热带非洲分布及热带亚洲分布合计)占各地方植物区系的0.84%到94.38%,其最低值出现在中国西北部的新疆和青海地区,最高值出现在中国云南南部和海南;(3)热带分布属在<北纬30°的地区占优势,除热带亚洲至热带美洲间断分布外,其它热带成分随纬度增加迅速减少;(4)温带分布属(北温带分布、东亚和北美间断分布、旧世界温带分布、温带亚洲分布、地中海区、西亚到中亚分布、中亚分布和东亚分布合计)占各地方植物区系的5.1%至98.83%,其最高值出现在中国西北部的新疆地区,最低值出现在中国云南南部和海南;(5)除东亚和北美间断分布、东亚分布和中国特有分布外,其它温带成分随纬度增加迅速增加;(6)在温带成分中,东亚和北美间断分布及东亚分布属主要出现在中国亚热带到暖温带地区,北温带分布、旧世界温带分布和温带亚洲分布属在中国北部占优势,而地中海区、西亚到中亚分布和中亚分布属则在中国西北部占优势;(7)除世界分布、东亚和北美间断分布、东亚分布和中国特有分布外,所有其他成分都显示了与气候因素密切相关,其中,北温带分布属与年均温和年降雨量最为密切相关。
- 推荐网络例句
-
Do you know, i need you to come back
你知道吗,我需要你回来
-
Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.
1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。
-
Chapter Three: Type classification of DE structure in Sino-Tibetan languages.
第三章汉藏语&的&字结构的类型划分。