psii 中文意思是什麼

psii 解釋
化學系ii
  1. For uncovering the effects of reversible phospharylation on the structure and function of psii reaction centre, we purified a protein phosphatase associated membrane from the thykaloid membrane of ipomoea aquatica chloroplasts. in our experiments we studied the enzymology and spect rum characters of the purified phosphatase. in our lab, one kind of protein phosphatase associated thylakoid membrane of pomoea aquatica has been isolated

    迄今人們對類囊體蛋白磷酸酯酶的研究較少，為了研究可逆磷酸化對psii反應中心結構與功能的影響，本文以蕹菜為材料，從葉綠體類囊體膜中分離純化到一種膜結合蛋白磷酸酯酶，進行了酶學性質和光譜性質的研究。
  2. Diamond - like carbon gradient film on ti6a14v alloy substrate have been prepared by means of plasma source ion implanted - ion beam enhanced deposition ( psii - ibed ). for potential applications as artificial joint materials and artificial cardiac valve materials, its trobological performance and hemocompatibility has also been evaluated in the present ph. d. thesis

    本研究採用等離子源離子注入?離子束增強沉積技術（ psii - ibed ）制備了鈦合金基類金剛石梯度薄膜材料，對類金剛石梯度薄膜這一新型人工關節材料和人工心臟瓣膜材料的生物摩擦學性能和血液相容性進行了研究和評價，研究了摩擦磨損對材料血液相容性的影響。
  3. The results of treatments with different concentration of phosphate in the present study indicated, whether boea leaves were treated before desiccation or during rehydration, and whether they were intact leaves, leaf halves or leaf discs, the boea leaves were injured and their photochemical activity of psii were serious affected by treatment with 0. 1mol / l phosphate or over, thus resulted in poor resurrection for dehydrated boea leaves. the photochemical activity of psii was a sensitive parameter of physiological activities for boea leaves during dehydration and rehydration

    本文利用不同濃度的磷酸鹽溶液處理牛耳草葉片，結果發現，不論是在乾燥前還是在復甦時處理，也不論是處理牛耳草整葉、半葉還是葉圓片， 0 . 1mol l以上的磷酸鹽溶液都對牛耳草葉片具有損傷作用，極大的影響了其光系統的光化學活性，使得牛耳草葉片在脫水后不能很好的復甦。
  4. Psii consists of more than 20 different subunits, most of them being integral membrane proteins, mediating the electron transfer chain. so revealing the organization of psii subunits is a key point to elucide the mechanism of psii function

    Ps的各蛋白組分有序地排列在類囊體膜上，通過其結合的輔因子形成了獨特的電子傳遞和水裂解體系。
  5. It showed under 600mmol / l nacl the potential activity and efficiency of primary conversion of light energy of psii in shoots of salicornia bigelovii torr. decreased. 5. the effects of salt - treament on the osmotic adjustment ability of salicornia bigelovii torr. and zea mays the osmotic adjustment ability of the salicornia bigelovii torr

    在100 - 300mmol lnacl處理時，畢氏海蓬子的fv fm 、 fv fo升高， 600mmol lnacl處理時畢氏海蓬子的fv fm 、 fv fo降低，表明只有高鹽度時才對畢氏海蓬子光能轉化機構的完整性及psii的潛在活性造成傷害。
  6. Then, the sensitivity of the subunits to trypsin traetment was compared by polypeptide pattern among these five psii preparations with sds - page

    分別用不同濃度的胰蛋白酶對這5種ps制劑進行限制性蛋白酶解處理， sds - page分析多肽組分變化。
  7. It could cleave the 18 kd peptide of psii and produce smaller peptides [ 5 ]. in order to detect the proteases in the nacl extract of psii particles, the sds - gelatin - page was applied in our experience, to identify and characterize proteases in the 1 mol / l nacl extract of spinach psii particles

    為了進一步研究光系統中的各種蛋白酶，我們採用分離膠中加入0二5明膠作為底物的sds page ，對光系統顆粒及其lmol幾naci抽提液中存在的蛋白酶進行了：分離、活性檢測和性質分析。
  8. Photosynthesis is the unique function of higher plants, green algae and cyanobacteria, which is the greatest turnover powered by light energy on our planet. psii functions as a water / plastoquinone oxidoreductase in the thylakoid membrane of chloroplasts and cyanobacteria, comprising one of the light reaction centers for photosynthesis

    光系統（ ps ）是綠色植物光合膜上存在的兩個光反應中心之一，具有利用太陽光的能量來裂解水、釋放分子氧並還原質體醌的功能。
  9. The results were summarized as follows : ( 1 ) diamond - like carbon films could be fabricated by plasma source ion implantation ; it was found that different parameters such as the negative voltage, frequency, gas flux influenced sp3 bond ratio of dlcs, the paper described the effect in details and showed that diamond - like carbon films with increasing negative voltage, reducing frequency, appropriate gas flux got high proportion of sp3 bond ; dlcs prepared by psii contained a good deal of sic, the composition affected its properties ( such as the films hardness ) ; psii method could offer good adhesion to dlcs, but it caused the surface morphology to become asperity

    研究結果表明： （ 1 ）用全方位離子注入技術能夠制備出類金剛石膜。在全方位離子注入技術中，不同的偏壓、頻率、氣體流量都對薄膜中sp ~ 3鍵比例有所影響，文中對具體的影響進行了分析，發現偏壓增加、頻率降低和適中的氣體流量可以制備出含sp ~ 3鍵較多的類金剛石膜；同時發現用全方位離子注入技術制備的類金剛石膜含有大量的sic成份，這對薄膜的性能（例如硬度）影響很大；用全方位離子注入制備的薄膜其結合力得到增強，但薄膜的表面形貌差。
  10. The major target of photoinhibition is photosystem ii ( psii ) on which photoinhibition make photosynthetic efficiency decreased, electronic transportation blocked and reaction center protein dl photodamaged

    已有研究表明ps是主要靶點，光抑制時表現為： ps光合效率下降、 ps電子傳遞鏈活性下降及核心蛋白被氧化而破壞。
  11. The electron transport rates of chloroplasts were depressed after chinese cabbage and mustard had been infected with tumv, whose extents reached 6. 4 % and 64. 6 % respectively. the decline of photosystem ii ( psii ) activities mainly contributed to the drop of electron transport rate, whose degrees reached 56. 9 % and 34. 3 %, with the statistical result p < 0. 01

    青菜和芥菜葉綠體電子傳遞全鏈的電子傳遞速率各降低6 . 4和64 . 6 ；光系統（ ps ）的電子傳遞活性各下降56 . 9和34 . 3 ，與健康對照的差異水平均達到極顯著；光系統（ ps ）的電子傳遞受抑程度較輕，分別為25 . 8和24 . 7 。
  12. After treated for 100 days, f0 / tchl of psii of one, two and three years old seedlings were 1. 6359, 1. 2938, 1. 8250 tines of the control respectively, which showed that the energy did not engage in photochemical reaction increased

    熏氣處理100天以後，一、 h和三年生苗木的光合速率分別是對照的68 96 、 47 97和68 76 。
  13. Under freezing conditions, n. commune deactivated the photosystem ( ps ) ii activity, which may protect the cells from photoinactivation. light energy absorbed by psii complexes was also dissipated to heat energy

    在凍結條件下， nostoccommune的ps活性失活， ps復合體吸收的光能轉化為熱能耗散，由此保護了細胞免受光抑制的傷害。
  14. ( 3 ) dlc films were prepared by combining psii method with pecvd method, the films got not only smooth surface morphology but also strong adhesion, in such a fashion that it was the best method

    （ 3 ）通過全方位離子注入和等離子體增強化學氣相沉積相結合，發現制備出的類金剛石薄膜既改善了表面形貌又增強了結合力，因此證明了這是一種較好的制備方法。
  15. These proteases were different with the ones reported in past and it suggests that there may be more proteases associated in psii of chloroplasts of spinach. such as, one of them could be resistant to 1 mol / l nacl and be almost inhibited by 1 mmol / l dtt or mercaptoethanol

    比如，一種蛋白酶對1mol l濃度的nacl溶液不敏感，但是受到dtt和巰基乙醇的強烈抑制以及1mmol ledta的部分抑制，而且這種蛋白酶能夠降解18kd外周多肽，在較廣的ph值范圍內都具有活性。
  16. This paper has discussed preparing diamond - like carbon films by means of micro - wave ecr plasma source ion implantation and plasma enhanced chemical vapour deposition. we use the raman spectrum, ft - ir, afm and so on to study the dlc film. the result indicates : different bias voltage, frequency and gas flow rate of psii will have impact on sp3 proportion of dlc films, we find high bias voltage, low frequency and moderate gas flow rate can prepare high sp3 proportion dlc films ; we simply illustrate the influence of bias voltage on sp3 proportion of dlc films in pecvd

    研究結果表明：在全方位離子注入技術中，不同的偏壓、頻率、氣體流量都對薄膜中sp ~ 3鍵比例有所影響，文中對具體的影響進行了分析，發現偏壓的增加、頻率的降低和適中的氣體流量可以制備出sp ~ 3鍵比例高的類金剛石膜；在等離子增強化學氣相沉積技術中，對偏壓對sp ~ 3鍵比例的影響也進行了簡單分析。
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