变成小松鼠
发表于 2025-3-21 16:48:38
书目名称Qanat Knowledge影响因子(影响力)<br> http://figure.impactfactor.cn/if/?ISSN=BK0780028<br><br> <br><br>书目名称Qanat Knowledge影响因子(影响力)学科排名<br> http://figure.impactfactor.cn/ifr/?ISSN=BK0780028<br><br> <br><br>书目名称Qanat Knowledge网络公开度<br> http://figure.impactfactor.cn/at/?ISSN=BK0780028<br><br> <br><br>书目名称Qanat Knowledge网络公开度学科排名<br> http://figure.impactfactor.cn/atr/?ISSN=BK0780028<br><br> <br><br>书目名称Qanat Knowledge被引频次<br> http://figure.impactfactor.cn/tc/?ISSN=BK0780028<br><br> <br><br>书目名称Qanat Knowledge被引频次学科排名<br> http://figure.impactfactor.cn/tcr/?ISSN=BK0780028<br><br> <br><br>书目名称Qanat Knowledge年度引用<br> http://figure.impactfactor.cn/ii/?ISSN=BK0780028<br><br> <br><br>书目名称Qanat Knowledge年度引用学科排名<br> http://figure.impactfactor.cn/iir/?ISSN=BK0780028<br><br> <br><br>书目名称Qanat Knowledge读者反馈<br> http://figure.impactfactor.cn/5y/?ISSN=BK0780028<br><br> <br><br>书目名称Qanat Knowledge读者反馈学科排名<br> http://figure.impactfactor.cn/5yr/?ISSN=BK0780028<br><br> <br><br>
啜泣
发表于 2025-3-21 20:55:44
Locating Qanat,ter depth, location of test wells, etc. while determining where to dig the qanat. Locating a qanat is a process which is described in this chapter. When a qanat master decides to dig a new qanat, he has to take into account such different elements as geological situation and natural indications.
fatty-acids
发表于 2025-3-22 02:17:30
Digging of Shaft Wells and Qanat Gallery,r problems to which they have invented effective techniques. This chapter starts with leveling techniques and covers such issues as well boring methods, digging of water production and transport sections, sinking shaft wells into aquifer, intersecting qanats, etc.
钳子
发表于 2025-3-22 05:22:07
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beta-cells
发表于 2025-3-22 12:06:22
Introduction,anism of qanat. The other issues discussed in this chapter are the geographical diffusion of qanats across the world, the controversial theories of its origin, its role in forming and nourishing human civilizations in arid and semi arid zones and comparison between qanat and other historic hydraulic
删减
发表于 2025-3-22 15:12:23
Hydrology Mechanism of Qanat,ch qanat appears in different types. In this chapter we try to come up with a new classification covering almost all possible types of qanat according to different criteria. This chapter also goes over the general mechanism of qanat, and definitions of shaft wells, mother well, water production sect
冷峻
发表于 2025-3-22 21:03:27
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Sciatica
发表于 2025-3-23 01:18:12
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arterioles
发表于 2025-3-23 05:14:51
Barriers and Limitations of Qanat Construction and Rehabilitation,s the possible barriers which may threaten the qanat practitioners or the whole project and then examines the measures the workers traditionally take to cope with barriers. The obstacles vary from poisonous gas to water build-up in the gallery.
CANE
发表于 2025-3-23 09:14:36
Tools and Equipment,ence, illuminate the work place underground and ensure their own safety. They have also invented amazing tools to calculate time of irrigation and gauge water flow. In this chapter we show how elaborate their tools are in order to work out qanat construction and maintenance under every circumstance.