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hydrogen ion 【化學】氫離子。

hydrogen oxide

Macrophages or osteoclasts can heighten the consistence of hydrogen ions in part circumstance contacted with material or interior cells by chemical reaction , which can accelerate the degradation of the material . secondly , calcium ion and hydrogen ion were the prerequisite raw material of bone formation . and bounds of calcium ions and hydrogen ions produced by the degradation of material provide the activity of osteoblastics affluent material basis , which accelerated the formation of new bone 實驗結果證明植入材料是以磷酸三鈣( - tcp )為主晶相,同時含有焦磷酸鈣、羥基磷灰石、無定形磷酸鈣晶相和非晶相,其化學組成與骨骼的無機礦物相組成相近,而且具有與骨骼相似的多孔網狀結構。

Sige simox : oxygen ions with high dose were implanted into sige grown directly on silicon substrate for the first time , and sige - oi novel structure was formed successfully with additional high temperature annealing ; it has been confirmed that oxygen implantation with 45kev , 3 1017cm - 2 and annealing at 12500c in ar + 5 % o2 for 5 hours , are fit for the formation of sige - oi structure ; ge loss during the high temperature annealing has been observed , which is originated from ge volatility and ge diffusion ; it has been proposed to use nanoporous layer induced by h + / he + implantation to surppress ge diffusion and to use surface oxidation to overcome the upper limit of sige simox . sige smart - cut : hydrogen ions were implanted into sige material and followed by high temperature process ( 4000c to 7000c ) ; blistering study was done and suggested the possibility of sige layer transfer by smart - cut technology ; it is concluded that the bubble formation is easier in sige than in si , and the strain in sige / si and the difference of binding energy in sige and in si could possibly contribute to this effect . behavior of sige / si implanted with hydrogen : gave a detailed study on sige implanted by beamline or phi hydrogen implantation ; it has been found that great strain is introduced into sige by hydrogen implantation and this strain could be alleviated by high temperature annealing ; both for conditional beamline implantation and piii hydrogen implantation , 600 is appropriate for the post - implantation treatment Sige - simox工藝方面:首次采用硅( 100 )襯底上直接外延的100nm厚sige的樣品中注入高劑量的o離子,通過退火處理成功制備了sige - oi新結構,即sige - simox工藝,證實了以45kev注入3 10 ~ ( 17 ) 7cm ~ ( - 2 )劑量的氧離子,隨后在氧化層的保護下經1250 , ar + 5 o _ 2氣氛的高溫退火( 5小時)過程,可以制備出sige - oi新型材料;實驗中觀察到退火過程中的ge損失現象,分析了其原因是ge揮發( ge通過表面氧化層以geo揮發性物質的形式進入退火氣氛)和ge擴散( ge穿過離子注入形成的氧化埋層而進入si襯底中) ,其中ge擴散是主要原因;根據實驗結果及實驗中出現的問題,對下一步工作提出兩個改進的方案:一是通過在si襯底中注入適量h ~ + / he ~ +形成納米孔層來阻斷ge擴散通路,二是可以通過控制表面氧化來調節安止額士淤丈撈要表面sige層中的ge組分,從而部分解決sige

Plasma characteristics of a rf ion source are investigated by emission spectroscopy . the spatiotemporal spectral line intensities of the first three atomic lines in hydrogen bahner series ( = 656 . 28 , 486 . 13 , 434 . 05nm ) of rf ion source plasma , are measured with calibrated optical multichannel analyzer ( oma ) . some plasma parameters , including electron temperature , hydrogen atom density and hydrogen ion density , are calculated and analyzed using partial local thermodynamic equilibrium ( plte ) theory and abel transform 實驗采用絕對定標后的光學多道分析系統( oma )測定了離子源等離子體不同時間和空間位置的氫原子巴耳末譜線系中前三條譜線( = 656 . 28 , 486 . 13 , 434 . 05nm )的強度,并采用plte的理論和abel變換方法,計算出了高頻離子源等離子體的電子溫度、氫原子濃度、氫離子濃度等參數在放電的不同階段和徑向分布情況,并進行了簡要分析。

This ion channel , present in the membrane of many nociceptors , responds not only to capsaicin , the pungent ingredient in chili peppers , but also to distressful heat and to protons ( the hydrogen ions that make substances acidic ) ; protons are unusually abundant in inflamed tissue 該受體是一種離子通道,出現在許多痛覺受器的細胞膜上,不只對辣椒的辛辣成份起反應,也對傷人的熱及質子(造成酸性的氫離子,在發炎組織中特別多)起反應。

For example , fuel cell technology can generate electricity without combustion by combining hydrogen ions and oxygen atoms . however , this technology is still in its early stages of development and generation costs at present are high 例如燃料電池可用氫離子和氧原子便能發電而無需燃燒燃料。不過,有關技術仍處于研究發展階段,而且所需成本亦較昂貴。

On the hydrogen side of the membrane , a hydrogen molecule ( containing two hydrogen atoms ) must attach to two adjacent catalyst sites , thereby freeing positive hydrogen ions ( protons ) to travel across the membrane 在隔膜的氫氣側,氫分子(即兩個氫原子)必須連接于兩個緊鄰的觸媒部位,從而釋出帶正電的氫離子(即質子)穿透隔膜。

Conductivity mechanism of a - quartz is ionic , and alkali and hydrogen ions moving in channels parallel to the c - axis are the predominant current carriers 石英的導電機制主要為離子導電,載流子可能為堿金屬離子和氫離子,這些堿金屬離子和氫離子主要在平行于光軸的通道中運動。

Hypokalemia itself may produce a metabolic alkalosis , since an increase in excretion of hydrogen ions occurs when the concentration of potassium in the tubular cells in low 低鉀血癥可引起代謝性堿中毒,因為當在腎小管細胞中鉀離子濃度降低時氫離子的排泄就增加了。

Based on the analysis of the mass transfer of hydrogen ion , it was proved that the agitation operation was negative as to the improvement of sensitivity of the biosensor 本文還對h +的傳質過程進行了分析,結果表明攪拌過程會導致傳感器檢測靈敏度的降低。

Base 1 . ( chemistry ) a compound that reacts with an acid to produce water plus a salt . in solution , it forms ions that can react with hydrogen ions 1堿:與酸反應可以生成水和鹽的一種化合物。在溶液中,它可以電離出可以和氫離子反應的離子。

In metabolic acidosis the reverse process occurs , and the excess hydrogen ion exchanges for sodium with retention of greater amounts of potassium 在代謝性堿中毒中,會出現相反的過程,過多氫拿交換使得大量的鉀離子保留在體內。

In addition , movement of hydrogen ions into the cells as a consequence of potassium loss is partly responsible for the alkalosis 此外,鉀丟失的引起氫離子向細胞內轉移,這也是堿中毒的其中一個原因。

Replacement of sodium , potassium and hydrogen ions of the clayey minerals by calcium ions is reducing the plasticity 鈉鉀和氫離子降低土壤的可塑性,同時增加土壤的可使用性提高土壤的可壓性

The complex reaction on the oxygen side occurs when a hydrogen ion and an electron mate with oxygen to produce water 氫離子與一個電子和氧配對時,氧氣側便發生復雜的反應,然后產生水。

Thus , in alkalosis , the increased potassium ion excretion in exchange for sodium ion permits hydrogen ion conservation 因此在堿中毒中,鈉鉀交換的增加使氫離子保留。

It makes soils more acid since cations ( e . g . potassium and magnesium ) are replaced by hydrogen ions 它能使土壤酸化,因為陽離子(如鉀離子和鎂離子)被氫離子所代替。

Potassium is in competition with hydrogen ion for renal tubular excretion in exchange for sodium ion 鉀離子和氫離子在腎小管排泄中相互競爭和鈉離子交換。

Hydrogen ion concentration 氫離子濃度

Hydrogen ion comparator 氫離子濃度比值器