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   fluoride solution 的翻译结果: 查询用时:0.192秒
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fluoride solution     
相关语句
  氟化物溶液
     The effect of enamel remineralization with application of calcifying solution, fluoride solution and fluoride foam
     矿化液、低浓度氟化物溶液和氟泡沫再矿化作用比较
短句来源
     Dipping fruits in fluoride solution showed that the range of fluorine concentrations which caused the disorder was about 150-600 mg kg-1. Fluorides were from the brick kilns and other factories in the vicinities of the mango orchards.
     田间氟化物溶液浸果试验表明,能引起芒果黑顶病的氟临界浓度范围在150-600mg L~(-1)之间。 氟化物来自果园周围的砖厂及其它工厂。
短句来源
  氟溶液
     Methods:Adding different concentration aluminium standard solution to fluoride solution of acetic acid-sodium acetate buffer solution(pH 4.7); determining the potential by fluoride ion selective electrode(as indicator electrode) and calomel electrode(as reference electrode); drawing standard curve of the aluminium concentration to relevant potential;
     方法:以氟电极为指示电极,甘汞电极为参比电极,以乙酸-乙酸钠缓冲溶液(pH 4.7)的氟溶液为本底溶液,加入不同浓度的铝标准溶液,测定其电位值,绘制电位值与铝浓度的标准曲线,再在氟本底溶液中加入样品溶液测定电位值,从标准曲线查出铝的含量。
短句来源
     The amount of kaolinite and the concentration of fluoride solution also influence the amount of fluorine adsorbed on kaolinite.
     高岭石的吸氟量还受高岭石用量和含氟溶液浓度的影响.
短句来源
     Three streptococcus mutans strains'hydrophobicities were measured and their hydrophobicities' changes were observed after theywere treated by 1000 ppm fluoride solution and 0. 005% chlorhexidine water solution, Hydrophobicity wasmeasured by hexadacane.
     本研究旨在通过疏水性分析了解三种变形链球菌菌株的粘附力及0.005%洗必泰液和1000ppm氟溶液对疏水性的影响。 实验采用hexadacane法对疏水性进行测定。
短句来源
     The amount of montmorillonite and the concentration of fluoride solution also affect the amount of fluorine adsorbed on montmorillonite.
     蒙脱石的吸氟量还与其用量及含氟溶液的浓度有关。
短句来源
     The kaolinite adsorption experiments were conducted on the fluoride solution. Results show that an excellent negative correlation exists between the adsorption ability of kaolinite and pH values of the solution.
     含氟溶液的高岭石吸附实验表明,其吸附能力与溶液的pH值呈现显著的负相关关系.
短句来源
更多       
  氟化钠溶液
     Fluoride injections were given in the rat with 0.25% sodium fluoride solution at the doses of 1-6 ml/kg body wt. The chronic fluorosis enamel appeared after 16-30 days.
     大鼠注射0.25%氟化钠溶液1~6毫升/千克体重持续到16~30天时,产生典型的慢性氟中毒。
短句来源
     Results After0.25h,0.5h,1h,2h,6h trea tment with fluoride varnish,the val-ues of salivary fluoride concentration were higher than baseline,the values of fluoride varnish group were higher than tho se in fluoride solution group after0.5h to6h.
     结果使用氟化钠涂膜后0.25h、0.5h、1h、2h、6h,唾液中氟离子浓度高于用氟前; 使用后0.5~6h,唾液中氟离子浓度高于使用氟化钠溶液组。
短句来源
     The Effect of Sodium Fluoride Solution Contained Calcium on Acid-resisted of Den tal Enamel.
     含钙的氟化钠溶液对牙釉质中氟浓度的影响
短句来源
     There exists statistically significant difference between the changes of microhardness of different groups, and the nano-hydroxyapatite as well as the combined agent of nanohydroxyapatite and sodium fluoride shows an anti-decalcification effect approximately equaling that of a fluoride solution with a density of 1000mg/kg,which has a much better anti-decalcification effect than that of the solution of pure water and that of the solution of ordinary hydroxyapatite.
     本研究采用纳米羟磷灰石胶体和纳米羟磷灰石氟化钠复合制剂处理人工牙釉质块龋,通过显微硬度测定,分析纳米羟磷灰石对早期人工釉质龋的修复效果,并比较其与含氟1000mg/kg氟化钠溶液和普通羟磷灰石溶液的抗龋能力大小。
短句来源
     The rust removing result of NH 4HF 2 solution to fabrics is superior to the common rust remover oxialic acid or sodium fluoride solution.
     该溶液对织物有明显的除锈退色作用,性能优于普通除锈剂草酸或氟化钠溶液
短句来源
  含氟溶液
     The kaolinite adsorption experiments were conducted on the fluoride solution. Results show that an excellent negative correlation exists between the adsorption ability of kaolinite and pH values of the solution.
     含氟溶液的高岭石吸附实验表明,其吸附能力与溶液的pH值呈现显著的负相关关系.
短句来源
     The amount of kaolinite and the concentration of fluoride solution also influence the amount of fluorine adsorbed on kaolinite.
     高岭石的吸氟量还受高岭石用量和含氟溶液浓度的影响.
短句来源
     The amount of montmorillonite and the concentration of fluoride solution also affect the amount of fluorine adsorbed on montmorillonite.
     蒙脱石的吸氟量还与其用量及含氟溶液的浓度有关。
短句来源
     Conclusions:Fluoride solution in this experimen t can prevent enamel from acid solubility, Calcium can enhance the time of fluor ide treating, increase acid-resisted and reduce the demineralization effectively .
     结论 :含氟溶液可以增强牙釉质的抗酸能力 ,钙离子能延长氟离子的作用时间 ,增强含氟溶液的抗酸脱矿能力
短句来源

 

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      fluoride solution
    F- was adsorbed on CHAP in a sodium fluoride solution followed by heating at 700°C in carbon dioxide flow to substitute F- for the hydroxyl ion in the CHAP structure.
          
    Materials were mixed with distilled water (control) or 100-ppm fluoride solution.
          
    Amorphous PdZr, PdCuZr and PdCuSi alloy ribbons and powders are characterized by DSC, XRD and XPS in the as-received state and after treatments with oxygen, hydrogen or dilute hydrogen fluoride solution.
          
    The radium free of calcium was electrodeposited onto a stainless steel disc cathode using a 0.1 M potassium fluoride solution, pH 12-14, with a yield of >amp;gt;50%.
          
    Uptake of fluorine intravitally by intact human teeth from a topically applied sodium fluoride solution
          
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    Separation of miorogram amounts of rare earths by coprecipitation mothod with manganese dioxide in solution of ammonium fluoride has been proposed. It has been found that 10~600μg amounts of rare earths may be separated from large amounts of iron, zirconium, uranium, beryllium and aluminum. *Procedure: The solution containing rare earths is diluted to about 100ml. and acidified to 0.01~0.1N with hydrochloric acid. Add 10~40ml of 4 per cent ammonium fluoride solution, 5ml of 0.5M manganese sulfate solution...

    Separation of miorogram amounts of rare earths by coprecipitation mothod with manganese dioxide in solution of ammonium fluoride has been proposed. It has been found that 10~600μg amounts of rare earths may be separated from large amounts of iron, zirconium, uranium, beryllium and aluminum. *Procedure: The solution containing rare earths is diluted to about 100ml. and acidified to 0.01~0.1N with hydrochloric acid. Add 10~40ml of 4 per cent ammonium fluoride solution, 5ml of 0.5M manganese sulfate solution and treated with ammonia until the colour of methyl orange changes to orange. Then the rare earths are coprecipitated with manganese dioxide by the addition of 2~5ml of 0.05M patassium permanganate solution, heat to boiling, filter with quantitative filter paper and wash the precipitate with a 1 per cent solution of ammoium flouride and then with water. The precipitate is ignited at 600~ 700℃ for 5 to 10 minutes. The residue is dissolved in hydrochloric aoid and hydrogen peroxide by heating. The solution obtained is evaporated to dryness, then dissolved in 0.01N hydrochloric acid and determined by speotrophotometric method with arsenazo Ⅲ.

    本文研究了在氟化铵溶液中用二氧化锰作载体共沉淀微量稀土元素的方法,经研究确定能使10~600微克稀土氧化物定量共沉淀,并能与铁、锆、铀、铍及铝等分离。分离与测定稀土的主要步骤为:将含稀土的溶液调节为约100毫升,酸度为0.01~0.1N,加入10~40毫升4%氟化铵溶液,5毫升0.5M硫酸锰溶液,用氨水调节溶液酸度至甲基橙变为橙色,加入2~5毫升0.05M高锰酸钾溶液进行沉淀,加热至沸后趁热过滤。沉淀经灼烧后用盐酸及过氧化氢溶解并蒸干,残渣用0.01N盐酸溶液溶解,用偶氮胂Ⅲ光度测定。

    The bovine enamel slabs were inlayed into the buccal acrylic plate of the intraoral appliance. A Part of rnamel slabs was prepared into early artificial caries for 10 hours.The whole enamel surface of specimens was exposed to fluoride solutions containing 90 ppm F~- for 10 minutes, twice a day in 10 consecutive days under 37℃ At the end of the experiment, the specimens were taken off from the appliance. Normel enamel slabs treated by fluoride were prepared into artificial caries for two days. All...

    The bovine enamel slabs were inlayed into the buccal acrylic plate of the intraoral appliance. A Part of rnamel slabs was prepared into early artificial caries for 10 hours.The whole enamel surface of specimens was exposed to fluoride solutions containing 90 ppm F~- for 10 minutes, twice a day in 10 consecutive days under 37℃ At the end of the experiment, the specimens were taken off from the appliance. Normel enamel slabs treated by fluoride were prepared into artificial caries for two days. All specimens were cut and ground into sections, 80—100μ in thickness and examined by polarized microscope. It is concluded that the artifical caries in enamel can be inhibited by fluoride in 90 ppm F~- and the incipiently demingralized enamel can be remineralized by the same way.

    以牛牙釉质块嵌入口内装置的颊侧基托内,部分釉质块先做人工龋10小时;全部釉表面分别接触0.02%NaF溶液,1日两次,1次10分钟,37℃情况下进行,连续10天。结束后,取出标本,氟化后的正常釉质块先制备人工龋两天,全部标本切、磨成80—100μ磨片,以偏光显微镜观察。结果指出,0.02%NaF溶液能使釉面增加抗龋力和使早期龋再矿化。

    Svanbergite, SrAl_3PO_4SO_4(OH)_6 is a phosphate mineral resistant to acid, alkaine and fluoride solutions. Results of X-ray diffraction showed the mineral was transformed into amorphous substance after calcination at about 700℃. AlPO_4 and other substances were formed when calcined at higher temperature. The results of pot experiment indicated that the phosphate absorbed by wheat form calcined amorphous svanbergite was markedly higher The effect of calcined amorphous svanbergite on wheat yield was about...

    Svanbergite, SrAl_3PO_4SO_4(OH)_6 is a phosphate mineral resistant to acid, alkaine and fluoride solutions. Results of X-ray diffraction showed the mineral was transformed into amorphous substance after calcination at about 700℃. AlPO_4 and other substances were formed when calcined at higher temperature. The results of pot experiment indicated that the phosphate absorbed by wheat form calcined amorphous svanbergite was markedly higher The effect of calcined amorphous svanbergite on wheat yield was about 85% of superphosphat at the same rate. in calcareous soil.

    硫磷铝锶矿是一种磷酸钙铁铝类磷矿。它不溶于酸和碱,迄今为止尚无合适的磷肥加工工艺路线。本研究证明,硫磷铝锶矿经过煅烧,可以发生两个晶变过程。第一个晶变过程是与矿物脱失结构水同步发生,晶变产物主要是无定形的磷酸铝,完成晶变的温度在600℃—700℃。第二个晶变过程是由无定形的磷酸铝重新结晶形成方英石结构的磷酸铝,晶变温度约在900℃以上。煅烧后的非晶质产物易溶于酸、碱、氟化铵和碱性柠檬酸铵,化学活性显著提高。生物试验表明,在pH 8.6的石灰性土壤上,煅烧后的无定形磷酸铝对小麦有显著增产效果,与等磷量的过磷酸钙相比,相对增产率在85%左右。该磷矿的北部有大面积的石灰性土壤,如将该矿煅烧后在这地区直接施用,预期可得显著效果。这可能是合理利用硫磷铝锶矿的重要途径之一。

     
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