water-holding 中文意思是什麼
water-holding
解釋
含水的-
Test method for water - holding capacity of bibulous fibrous products
吸水纖維製品蓄水能力的試驗方法 -
The empirical equation w = asb was used to fit water holding capacity of four kinds of agricultural soils in loess plateau. soil water holding capacity and unavailable water content increased as soil texture became clayed. available water content in loam was higher than those in sandy soil and clayed soil
黃土高原四種主要農業土壤的水分特徵曲線並無明顯的平臺或拐點產生，其關系能夠很好地用garden經驗方程（ w = as ~ （ - b ） ）進行擬合。 -
3 ) regarding jba, yqs, and cxl fertilizer as addition agent of the ecological material, magnetic fertilizer as ecological fertilizer, the material take on character such as water holding capacity, fertilizer retaining, prime cluster structure and binding power, which realize the destination of ecological protection of the abrupt rock slope
（ 3 ）適當配比的高分子材料jba 、 yqs和生態肥料cxl作為生態基材的添加劑可使基材具有保水、保肥、優質團粒化和粘結性能，從而達到生態護坡的目的。 -
The result indicates that photosynthesis and the cell liquid density of tobacco are both seriously influenced by soil water content, and that photosynthesis is the most vigorous when the lower limit of soil water content is 75 % of water holding capacity of farmland during the vigorous growing period of tobacco
試驗結果表明：煙草光合作用受土壤水分影響較大，當旺長期土壤含水量控制下限為田間持水量的75 %時，光合作用最強；細胞液濃度的變化受土壤含水量影響亦較大。 -
It can not only meet the need of water saving, water holding, drought resistance, but also make the best use of local rainfall runoff and efficiently reduce soil erosion. the research on it ' s theory and appliance will promote the development of orchard water saving irrigation and ecosystem and project of soil and water conservation
蓄水坑灌法是一種適合於我國北方山丘區的果林灌溉新方法，既可滿足節水、保水、抗旱的要求又能充分利用當地降雨徑流和有效控制水土流失。對該方法進行理論和應用研究將對我國北方地區果林節水灌溉和水土保持與生態建設起到積極的促進作用。 -
The water - holding capacity of altinglia gracilipes, schima superba, fokienia hodginsii and cunninghamia lanceolata planted under cunninghamia lanceolata ecological public welfare forest was studied from forest canopy, shrub and herb layer, litter layer and soil layer
摘要分別從林冠層、林下植被層、凋落物層及土壤層對杉木人工生態公益林林冠下營造的細柄阿丁楓、木荷、建柏和杉木純林的持水功能進行了研究。 -
In addition to nutritional factors, the productivity of many acid soils is affected by physical factors that include low water holding capacity （ oxisols, spodosols ） and susceptibility to crusting, erosion and especially compaction （ oxisols, ultisols ）
除了養分因素外，許多酸性土壤的生產力受物理因素的影響，包括持水量低（氧化土，灰化土）和對結殼、侵蝕及特別是壓實（氧化土、老成土）敏感。 -
This indicates that the accumulation of soil organic matter influences evidently the water holding capacity
說明，有機質的積累對土壤持水性能改善有重要作用。 -
( 6 ) in agroforestry and contour hedgerow treatments, soil structure and soil texture is improved with soil bulk density decreasing and soil porosity and capillary pore increasing. finally, water - holding capacity is improved. ( 7 ) soil loss in small plots of comprehensive management treatments is significantly lower than that in control
… ）實施農林復合經營和生物籬埂技術可明顯的改善土壤結構，降低土壤容重，增加上壤總孔隙度和毛管孔隙度，從而提高土壤的保水持水性能。 -
The order of water - holding capacities in different plantations was as follows : altinglia gracilipes > schima superba > fokienia hodginsii > cunninghamia lanceolata
不同林分的持水量大小排序為：細柄阿丁楓杉木混交林木荷杉木混交林建柏杉木混交林杉木純林。 -
The order of water - holding capacities in different plantation layers was as follows : soil layer > forest canopy > vegetation and litter layer
林分不同層次的持水量大小排序為：土壤層林冠層林下植被和凋落物層。 -
Standard test method for volume weights, water - holding capacity, and air capacity of water - saturated peat materials
水飽和泥炭物質的容重吸水量和含氣量的標準試驗方法 -
Function and value of water - holding in sanjiangyuan region
三江源地區生態系統水源涵養功能分析及其價值評估 -
Throug the study on irrigation quota and irrigation times for licorice root planted in arid sandy land of middle ningxia, the result shows : by increasing irrigation frequency and irrigation fixed quantity properly, it can play a positive role in the conserving and increasing water - holding capacity in arid - belt sandy area
摘要通過對寧夏中部乾旱帶沙地種植甘草的不同灌水定額及次數的研究，結果表明，適當的增加灌水次數和灌水定額對于保持和增加乾旱帶沙壤土持水率具有積極的作用，有利於植物的生長發育。 -
The technique of water conservation in gneiss area of tai - hang mountain : on the facet of water conservation measure, four sorts of water conservation measures can all improve the soil water content. the result of straw mulch is best, using water holding agent in soil and plastic mulch are better, stone mulch is worse. four sorts of water conservation measures all improve the physical character of surface layer soil
太行山片麻巖區保水技術：在保水措施方面：四種保水措施均能提高土壤含水量，秸稈覆蓋的效果最好，土施保水劑和地膜覆蓋的效果其次，石塊覆蓋的效果較差；四種保水措施使表層土壤的物理性狀均有一定改善，使土壤容重降低、孔隙度和土壤飽和含水量增加。 -
Generally, natural forests had water holding capacity of over 2100 t - hm - 2
而0 40cm土壤層最大貯水量一般占林分總持水量的95以上。 -
The fractal dimension of the mixed forests were lower than the pure forests and grassland, and the soil weight diameter of the mixed forests were higher than the pure forests and grassland, which indicated that the mixed forest had best soil structure property in stability infiltration and water - holding ; the soil total porosity and the soil noncapillary porosity were different greatly between forest types, but the soil capillary porosity had little differ
混交林分分形維數均低於單純林與荒草地，土壤重量平均直徑均高於單純林與荒草坡，說明混交林土壤結構穩定性最好，土壤通透性較好，具有較高的水土保持功能；不同林分類型之間，土壤總孔隙度與非毛管孔隙度差異較大，而毛管孔隙度的差別較小。 -
The results showed that there were differences in water - holding capacity among different forming structure
研究結果表明，林分組成結構的不同導致了其持水功能的差異。 -
The changes of leaf water potential, water deficiency, water - holding ability under drought stress conditions were measured. the water parameters were calculated by using pressure - volume technique, also the abilities of maintaining turgor and adjusting osmotic potential of the four species were comprehensively evaluated. the effects of drought stress on photosynthesis, transpiration and water use efficiency were studied
研究乾旱脅迫下葉水勢、葉水分飽和虧缺及葉保水力的變化；應用壓力室和pv技術測定四個樹種多項水分參數，並對四樹種滲透調節和維持膨壓能力進行綜合評定；研究乾旱脅迫對光合作用、蒸騰作用及水分利用效率的影響；測定生長指標及水分脅迫下苗木的生物量分配。 -
Influence of pam to soil hydraulic conductivity and water holding capacity
對土壤水分蓄滲能力的影響
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