In 1990s, the third stage is the most important period of research on sandy desertification in Qinghai-Xizang plateau, the sandy desertification problem in almost all over the Qinghai-Xizang plateau was studied, its research content is comprehensive and systematic and a lot of research results were gotten.

最后，分析了研究中存在的主要問(wèn)題成,人免费视频播放，如研究區(qū)域不盡平衡、基礎(chǔ)研究較為薄弱、理論研究有待深入和防治技術(shù)亟待提高等亚洲精品无码AV一二三四区，提出今后青藏高原沙漠化研究的主攻方向與主要研究項(xiàng)目。

Results show that plant communities on the flat sandy land with impermeable stratum below root layer, in terms of average soil water content in different plots, ranke in the ascendant order of Leymus secalinus community (4.91%), Oxytropis aciphylla community (7.42%), Caragana korshinskii Community (10.36%), Artemisia ordosica Community (12.55%), and bare sandy land (16.27%). In the same plant community, soil water content is different in different seasons.

結(jié)果表明国产特级毛片久久久精品，在根層以下為不透水層的平沙地成年日本片黄网站色视频，各樣地平均土壤含水量由小到大依次為：賴草群落(4.91%)＜貓頭刺群落(7.42%)＜檸條群落(10.36%)＜黑沙蒿群落(12.55%)＜裸地(16.27%)；同一植物群落的土壤含水量在各個(gè)季節(jié)也不相同。

The compression modulus of sandy soil exerts influence on the stability of sandy soil surrounding rock of tunnel.

砂類土的壓縮模量與砂類土體隧道圍巖穩(wěn)定性有較大的關(guān)系欧美性交免费资原站。

Member it wasn't the Low Veldt, or the Bush Veldt, or the Sour Veldt, but the exclusively bare, hot, shiny High Veldt, where there was sand and sandy-coloured rock and exclusively tufts of sandy-yellowish grass.

那里遍布砂礫色久资源视频，還有黃棕色的巖石，點(diǎn)綴著幾綹沙黃色的野草国产精品亚洲码精品。長(zhǎng)頸鹿久久老熟女一区二区、斑馬、大羚羊18禁欧美日韩、紕角鹿都生活在那里看黄网站啊啊啊。

Sandy areas around lakes, oases, river terraces, sandy plains, aeolian basins, clay deserts, semidesert areas; 1900-3500 m. Gansu, Hebei, W Nei Mongol, Ningxia, Qinghai, N Shaanxi, Xinjiang, NE Xizang.

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Sandy uroliths' in bladder and sigmoid flexure were clearly diagnosed with helical CT. At the same time, the location, size and shape of sandy urinary stones were satisfactorily found with intravenous X-ray radiology, B-mode ultrasonogram and helical CT. These results showed combined three methods in clinics were a fast precise methods to diagnose urolithiasis.

因此B超、螺旋CT和X射線腹部平片不僅對(duì)飼喂棉餅誘發(fā)的山羊砂石樣結(jié)石有明確的診斷欧美在线观看精品，而且可以方便地觀察到結(jié)石的位置亚洲国产区中文在线观看www、大小、形態(tài)午夜三级亚洲，三者的結(jié)合有利于對(duì)山羊砂石淋的快速外国性交网、準(zhǔn)確診斷。

The results revealed that the uroliths of goats associated with feeding cottonseed meals diet were the mixture of amount powdery and few granular. X-ray radiology of 'sandy uroliths' feeding cottenseed meals diet to goats was negative. Intravenous urography demonstrated granules of uroliths in the bladder with different density.'sandy uroliths' in kidney, bladder and sigmoid flexure were found with B-mode ultrasonogram.

結(jié)果顯示：飼喂棉餅誘發(fā)的山羊泌尿系統(tǒng)結(jié)石呈砂石樣帮我收一下欧洲黄色视频，X射線腹部平片呈陰性亚洲色欲天天天堂色欲网91，經(jīng)泛影葡胺靜脈尿路造影后可見(jiàn)膀胱內(nèi)有密度不均勻的結(jié)石樣顆粒分布；B超檢查在泌尿道多處出現(xiàn)結(jié)石顆粒的強(qiáng)光點(diǎn)或光團(tuán)并伴有聲影韩日欧美激情一区二区；螺旋CT檢查發(fā)現(xiàn)在泌尿系統(tǒng)的膀胱和尿道中有明確的結(jié)石影最新地址在线永久发布页。

Ship lock with double-hinged soleplate, which is developed based on the integral ship lock, is widely applied on silt-sandy foundation and fine-sandy foundation.

雙鉸底板式閘室結(jié)構(gòu)是在整體式閘室基礎(chǔ)上發(fā)展起來(lái)的一種型式，一般適用于粉砂日韩在线观看自拍网址、細(xì)砂地基影音先锋国际资源，應(yīng)用十分廣泛日日干干人人爽爽。

By analyzing the quantity relationship between spectral property and sandy land,the variation rules of spectral property of surface features were found,and thus the evidence was provided to the extraction and quantitative analysis of sandy land in respect of spectrum.

分析地物光譜特征與土地沙化間的數(shù)量關(guān)系，找出地物光譜特征變異的規(guī)律日韩91视频，從地物光譜的角度為遙感影像中沙化土地提取和定量分析提供依據(jù)欧美操大黑逼片。

On the Basis of lots of experiments and studies about using natural sandy gravel and mixture, application of natural sandy gravel to expressway pavement subbase is analysed with examples in project.

通過(guò)對(duì)天然砂礫土及其混合料的試驗(yàn)研究，結(jié)合工程實(shí)例三级专区，分析了天然砂礫土在高速公路路面底基層中的成功應(yīng)用黄色www网在线，闡述了一種合理利用當(dāng)?shù)刈匀毁Y源的新途