查询词典 root-mean-square

Potatoes are tubers , sweet potato is a root, then what is the difference between tuber or root it?

马铃薯是块茎，甘薯是块根，那怎样区别是块茎还是块根呢？

Often be fibrous root, minority is root tuber.

常为须根，少数为块根。

Analysis on the status quo of production and industrialization prospect of the root and tuber crop in Yunnan;2. The status quo of production of staple root and tuber crop was analyzed in this paper.

通过对云南主要薯类作物的生产现状分析认为：云南薯类作物已从单一的&救荒&作物，向轻工、能源、医药原料转变，云南发展马铃薯具有得天独厚的气候优势和区位优势，可积极发展；而甘薯作为未来重要的能源作物应该引起足够重视；魔芋发展中应该注意多元市场的开发；发展薯蓣的规模要适度，并要增加产业中的科技含量，提高竞争力。

By empolying radish root tuber of terrestrial as substance through solvent culture method, the root filtration function to heavy metal enrichment condition is investigated and the theoretical basis of the application of heavy metal sewage purification by terrestrial is offered.

以陆生植物———萝卜块状根系为材料，通过溶液培养的方法，研究了根过滤作用对重金属的富集情况，为陆生植物在重金属污水净化中的应用提供理论依据。

67 of old person latent to split tooth carry on clinical diagnosis, adopt the complex treatment method according to different situations to 63. 4 shallow form latent to split tooth, dental pulp normal having subjective symptoms to be only competent to transfer tooth treat jointly; Have deeper crackle as to 5, the vigor of dental pulp is normal, but there is trouble tooth of dentine irritated symptom, prepares against the hole, is filled with on the crack while adjusting the tooth contract; Pulpitis, 22 58 drops of trouble tooth with the sharp disease, symptom of the root already appear to 36, go ahead of the rest steel wire ring pitch or make, bring ring bonding in order to protect corona, rub except that high sharp abrupt slope, after dispelling the tooth and shutting the wound, the root canal with complete regeneration, observe for 2 weeks, after there is no clinical symptom, preceded and repair completely in time.

对63例老年人67颗隐裂牙进行临床诊断，并根据不同情况采用了综合治疗的方法。4颗浅表的隐裂牙，牙髓正常且无自觉症状仅行调牙合治疗；对于5颗有较深裂纹，牙髓活力正常，但有牙本质过敏症状的患牙，调牙合同时在裂隙处备洞、充填；对36颗已出现牙髓炎、22颗伴有根尖病症状的58颗患牙，先行钢丝环扎或做带环粘结以保护牙冠，磨除高尖陡坡，消除牙合创伤后，再行完善的根管治疗，观察2周，无临床症状后，及时做全冠修复。

The results showed that partial root-zone drying and alternate partial root-zone irrigation treatments reduced tobacco water consumption and tobacco yield, but tobacco water use efficiency increased with 7.5% and 11.2%, N and K contents of middle leaves treated with N 0.20 g/kg soil enhanced 23.1% and 25.2%, 33.6% and 59.8%, respectively when compared to the conventional irrigation treatment.

结果表明，在不同施N水平下，与常规灌溉相比，部分根干燥灌溉和分根区交替灌溉的烤烟耗水量下降，产量有所减少，而水分利用效率提高7.5%和11.2%；施用N 0.20 g/kg土时，PRD和APRI中部叶N含量分别提高23.1%和25.2%，K含量分别提高33.6%和59.8%。

Effect of phosphorus fertilizer on Flue-cured tobacco growthIn early days, lacking phosphorus can promote flue-cured tobacco root growth , so improving root cap.

磷用量对烤烟生长发育的影响生长早期，缺磷胁迫会促进烤烟根系的生长，从而提高根冠比。

New root is born from cauline ministry in spring, normally white, part of tip root cap often is green.

新根 在春天从茎部生出，通常白色，先端根冠部分常为绿色。

It is analyzed that the impacts of root weight on shear strength of unsaturated soil through direct shearing tests for unsaturated soil of different depth and various vegetation types which consist of bare soil and switch sorrel shrubbery under natural moisture contents and through the investigation of root system distributing along vertical profile.

通过对裸地、车桑子灌木林地不同深度土壤在天然含水量情况下的直剪试验，及对车桑子根系沿垂直方向的分布情况的调查，研究了含根量对非饱和土抗剪强度的影响。

It is analyzed that the impacts of root weight on shear strength of unsaturated soil through direct shearing tests for unsaturated soil of different depth and various vegetation types which consist of bare soil and switch sorrel shrubbery under natural moisture contents and through the investigation of root system distributing along vertical profile.

中文摘要：通过对裸地、车桑子灌木林地不同深度土壤在天然含水量情况下的直剪试验，及对车桑子根系沿垂直方向的分布情况的调查，研究了含根量对非饱和土抗剪强度的影响。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。