In addition to nutritional factors, the productivity of many acid soils is affected by physical factors that include low water holding capacity and susceptibility to crusting, erosion and especially compaction.

除了養(yǎng)分因素外日日夜夜2017，許多酸性土壤的生產(chǎn)力受物理因素的影響jixx，包括持水量低和對(duì)結(jié)殼A级日本乱理伦片免费观看、侵蝕及特別是壓實(shí)敏感黄色免站视频。

The patients get well without hoarsening, without choking in drinking water and without twitching because of low calcium.

結(jié)果 手術(shù)順利www日韩一区电影网，術(shù)后均恢復(fù)良好亚洲综合专区，無(wú)聲音嘶啞、飲水嗆咳和低鈣性抽搐91国自产精品中文字幕亚洲。

ML of saline water once per day was tubed intra gastrically, and 2 mL of adipose-tissue proteinaceous extract once per day was administered intragastrically to the rats in low concentration group (0.3 mg/mL) and high concentration group (0.6 mg/mL) for 7 days and 14 days, respectively.

對(duì)照組大鼠每只每天灌胃生理鹽水2 mL无码天堂一区二区三区，低濃度灌胃組和高濃度灌胃組大鼠分別灌胃脂源蛋白提取物各2mL（濃度0.3 mg/mL和0.6 mg/mL）。

A particularly poor inundation signified that water would not reach many back-lying fields, resulting in low recolts and possible hunger.

小洪水不會(huì)淹沒(méi)離河岸較遠(yuǎn)的土地美女被cao视频在线观看免费，可能引起減產(chǎn)和饑荒whsanxi.com。

Pressure in the water pipe on deck is too low .

甲板水管壓力過(guò)低。

Based on the simulation results, the region and the degree of cavitation occurred in the flow passage of the turbine with a low water level at the outlet of the draft tube are examined, the cavitation performance of the turbine is also evaluated.

根據(jù)模擬結(jié)果中文字字幕在线中文第6页，考察了水輪機(jī)在低尾水位下運(yùn)行時(shí)流道內(nèi)空化發(fā)生的部位和程度日韩免费A∨片免费网站，并對(duì)水輪機(jī)的空化性能進(jìn)行了預(yù)估。

Water lock effect is one of the main factors affecting gas well productivity, especially in low permeability gas reservoirs.

水鎖效應(yīng)是影響氣井生產(chǎn)的一個(gè)主要因素国产精品免费看久久久无码蜜柚，尤其是在低滲透氣藏這種影響作用更顯著欧美区一区二区。

The research shows that water locking damage happens widely and seriously in low-permeability sand gas reservoirs.

通過(guò)室內(nèi)實(shí)驗(yàn)研究，對(duì)低滲透砂巖氣藏3種不同的水鎖傷害方式進(jìn)行了對(duì)比研究爱趣视频改成啥了。

(NH_4)_2GeF_6·H_2O is obtained as light-green single crystal from the low-temperature solvothermal reaction of GeO_2, NH_4VO_3 and HF in pyridine-water and characterized by the IR, elemental analysis, TG-DTA and single crystal X-ray diffraction.

化合物(NH_4)_2GeF_6·H_2O由GeO_2视频一区欧美性爱，NH_4VO_3和HF在吡啶-水體系中低溫溶劑熱條件下合成，并用IR国产三级一区二区三区在线视频、元素分析A大片免费黄黄、TG-DTA和X射線單晶衍射進(jìn)行了表征。

HVAC, for use as a balancing function in low velocity water systems.

暖通空調(diào)jizz有基视频色欲，在低速水系統(tǒng)中起著平衡作用av毛片对白。