ph l 中文意思是什麼

ph l 解釋
府里
  • ph : PH ＝public health 公共衛生。【化學】表示氫離子濃度的倒數的對數的符號。
  • l : L-beam, L-iron 不等邊角鋼。L,￡＝ 〈拉丁語〉 libra （＝ pound）。
  1. G 183 ; l - 1, 5. 0 215 ; 10 - 3 mol 183 ; l - 1, 2. 0 215 ; 10 - 3mol 183 ; l - 1, ph 3

    十六烷基三甲基溴化銨分別為100
  2. In this paper, by shorting the length of deae - cellulose column and increasing the ph of elution solution, one kind of go isozyme was purified rapidly from green leaves of spanictu brassica parachinensis bailey and vigna unguiculatew. ssp. sesquipedalis ( l )

    本文通過一種改進后的方法，即通過縮短deae - cellulose - 52柱的長度，以及提高洗脫液的ph ，可在9h內從菠菜、菜心和豆角綠葉中純化go同工酶。
  3. After breast feeding, their descendents were fed with the same water, then killed them on the 1st, 8th, 15th, 22nd, 30th day after birth respectively and took out of the brains, stored at - 70. ( 2 ) measurement of the activity of pkc in brains : in cytoplasma ; took out the samples, cut the hippocampi into pieces and added buffer ( glucose 0. 32mol / l, hepes ph 7. 5 ), then shattered with ultrasound, centri - fuged at 27000g for ih at 4ti, moved the supernant into a new tube

    本研究以細胞信號轉導途徑為線索，分別探討了pkc 、 erk 、 nos1等信號分子及即早基因（ c - fos ， c - jun ）在慢性鉛暴露小鼠腦細胞中的活性、蛋白表達及mrna表達的改變，以及鉛暴露小鼠記憶行為的變化，並將細胞中信號分子的改變與記憶功能改變結合進行分析以尋找一些內在規律。
  4. As explants, were infected by agrobacterium tumefaciens strain lba4404 and gv3101 : pmp90 harboring the expression vectors pbgsb and pbglsb respectively and co - cultured for 3 days in darkness on the culture medium ( ms + 0. 1 mg / l 6 - ba + o. l mg / l naa + 0. 7 % agor ph 5. 7 )

    Ling inaa ）中暗培養三天後，移入加入抗生素100mg lkan和500mg幾cr的誘芽培養基，于組培室中進行誘芽和抗性篩選。
  5. Leaves of tobacco ( nicotiana tabacum ) were wounded, infected by agrobacterium tumefaciens strain lba4404 and gv3101 : pmp90 harboring expression vector pbgsb and pbglsb and co - cultured for 3 days in darkness on the culture medium ( ms + 0. 5mg / l 6 - ba + 0. 7 % agor ph 5. 7 )

    4以煙草（品種sr ）無菌苗葉片為外植體，採用農桿菌浸染的葉盤轉化法，用構建好的植物表達載體對煙草進行遺傳轉化。外植體置於無抗生素的誘芽培養基（ ms 0
  6. In the second part, authors also made the phosphate as limitative factor, and discussed the condition of using phosphate rocks by the algea ( chlamydomonas sajao lewin ) - rice ( o. sativa l. ) experiment system with different ph conditions

    然後作者依然以磷為主要限制因素，研究沙角衣藻（ chlamydomonassajiaolewin ） ?水稻（ o . satival . ）實驗體系在不同ph條件下轉化利用礦石磷情況。
  7. Effects of diverse environmental factors on the growth rate ( od4oo ) and nitrogenase activity ( ara ) of the strain w12 hi nitrogen - free culture were investigated in our experiments. the results implied that the strain w12 could easily adapt to different cultural conditions : it could use various carbon sources ( especially glucose, sucrose, malic acid, mannitol ), propagate quickly and fix nitrogen at a temperature range of 15 ? to 40 ? and at 25 - 35 ? for optimum, at a ph range of 4 to 8. 5, at a saline concentration range of 0. 01 % to 1. 5 % ; low nlv " concentration had little effect on its nitrogenase activity. ara could also be detected when it grow in the culture media with 5mmol / l ntv "

    W12菌株對環境因子的適應性研究：無氮培養條件下，測定溫度、碳源、酸堿度、滲透壓對w12生長及固氮能力的影響，結果表明，在15 - 40下均能生長並表達固氮酶活性，其最適生長及固氮的溫度為25 - 35 ；能利用葡萄糖、蔗糖、蘋果酸、甘露醇等多種碳源生長並固氮，當培養基中同時存在蔗糖和蘋果酸時，細菌生長和固氮活性最強；在偏酸和偏堿的條件下（ ph4 . 5 - 8 . 5 ）均能保持較強的生長勢和較高的固氮酶活性，並能通過調節自身代謝平衡並適應環境的酸、堿性變化，使培養液趨于中性：能耐受較高的滲透壓，培養液中卜、 5 naci濃度對其生長和固氮酶活性影響不大，當naci濃度升至2時，菌株的生長勢及固氮酶活性才有所下降：低濃度的鉸對其固氮酶活性影響不大，在0
  8. The paper fristly compared the fertile soil with the incinerated sterile soil on the number of micro - algae, soil ph value, soil organic matter soil available phosphorus and soil nitrogen. and then, the author put fertile soil, which included micro - algae, proportionally into sterile samples and cultivated them respectively under illumination condition ( micro - algae can live and reproduce ) and dark condition ( micro - algae will die in some time ). the above indices were measured in 0, 30, 60 and 90days respectively, the analyse of the interrelation between the change of micro - algae ' s number and the changes of soil ph value, soil organic matter, soil available phosphorus and soil nitrogen indicated : ( l ) soil micro - algae which were native to fertile soil conld adapt to the changed circumstance and light acted as a decisive role to the distribution of soil micro - algae. under dark condition, the micro - algae ' s number declined gradually and went to zero in the end, while under illumination condition, on the 90th day, the micro - algae ' s number of per gramme was 6 - 7 times more than that of the beginning

    本文首先對肥沃土壤與經高溫焚燒后的貧瘠土壤中的微藻數量、土壤ph值、有機質含量、有效磷含量和全氮量進行比較研究，然後將包含微藻的綠化苗圃地肥土按不同比例接種進入貧瘠土樣中，分別在光照條件和黑暗條件下進行培養，在0天、 30天、 60天和90天分別檢測以上指標，比較有光條件和無光條件下，即有藻條件和無藻條件下貧瘠土樣所發生的變化，並分別對微藻數量的變化與土壤ph值、有機質含量、有效磷含量和全氮量的變化之間做相關性分析，以評估肥沃土壤中的微藻接種進入貧瘠土壤后的生長情況以及對貧瘠土壤的改良作用。研究結果表明： （ 1 ）土壤微藻對環境有較強的適應能力，且光照對其分佈起了決定性的作用。
  9. The inclusion behaviors of b - cyclodextrin with some aromatic amino acids such as l - phenylalanine, l - tyrosine and l - tryptophan were studied via ultraviolet and fluorescent spectrometry. the results indicated that inclusion complexes of - cyclodextrin with aromatic amino acids could be formed and the inclusion behaviors were affected by the amount of - cyclodextrin, temperature and ph value

    本文研究了?環糊精與芳香族氨基酸l ?苯丙氨酸、 l ?酪氨酸和l ?色氨酸之間的包合作用，考察了?環糊精用量、溫度、時間和ph值等因素對包合作用的影響。
  10. 3. the film - forming property of ruhb and it ' s adsorphon with human serum albumin ( l ) it is concluded bom n - a isotherm curves on subphases with arerent ph values that the film - formin property of hihb am be better improved on alkaline subphases

    （ 2 ）利用。 a等溫曲線和。 t時間曲線研究了不同酸度的亞相上人血清白蛋白（ hsa ）吸附在hihb單分子膜上的情況。
  11. Its optimal ph is 7. 0 and optimal temperature is 28 " c. after 72 hours of inoculation in a inorganic salt medium amended with 200mg / l map and shaking ( 150rpm / min ) at 28 ' c, 72. 5 % map was degraded

    在以甲胺磷（甲胺磷濃度為200mg l ）為唯一碳源的無機鹽培養基中搖床（ 28 ， 150r min ， ）培養72h ，測得降解率為72 . 5 。
  12. The transformed hairy roots were detected for agropine to make sure the transformation was successful. a conclusion was reached as follows : agrobacterium rhizogenes r1601 was an ideal strain for hairy roots transformation from trichosanthes bracteata voigt which exhibited extraordinary transformation rate ( 60 % ). od600 = 0. 7 was the optimum infection concentration for the tested transforming agent, with temperature at 25, ph at 6. 0, 20min of infection and 48h of co - culture and phytohormone at 1. 0mg / l being the most favourable hairy root - inducting pattern

    通過實驗和對結果的數據分析，得出下面的結論：發根農桿菌r1601是較好的大苞栝樓發根的誘導菌株，它對預培養24h的大苞栝樓子葉外植體具有最好的轉化效率和發根誘導率（ 60 ） ，最適的菌株感染濃度od _ （ 600 ）為0 . 7 ，溫度27 、 ph值為6 . 0 、 20min的感染時間和48h的共培養，以及黑暗條件和1 . 0mg / l的激素最有利於發根誘導的環境條件。
  13. The results showed that the optimized processing parameters were ph = 9, concentration of mgcb were 0. 4mol / l, reaction temperature were 75 c, flow velocity of co2 were 4. 5ml / min / gcao, stirring strength were 200r / min

    實驗結果表明制備文石相碳酸鈣晶須的最優工藝參數為ph值維持在9左右，反應溫度為75 ， co _ 2流速為4 . 5ml min gcao ，攪拌速度為250r min 。
  14. The coating effects of these modifiers are evaluated in the order of ( napoa ) 6 > c2hsoh > na2sio3 > h2o > naoh. the organic modification reagent such as sodium stearate and polyethylene glycol can modify the nanosized powders, sodium stearate has good effect when its adding amount to nano - tio2 is 8 %, the concentration is about 0. 1 mol / l, the value of ph is 5, and the reaction period is up 30 minutes. to modify the powders with polyethylene glycol, the amount must be limited from 1 % to 2 %, the value of ph is between 3 and 5, and the reaction period should be up to 2 hours, the effect will be mo

    不同分散劑對其分散效果為: （ napo3 ） 6 > czhsoh > n處5103 > hzo > naoh ;採用有機改性劑硬脂酸鈉和聚乙二醇進行了納米二氧化欽的有機改性研究，獲得了改性劑用量，濃度等最佳工藝條件的參數;對納米二氧化欽進行了包裹二氧化硅的研究，適當調整溶液的ph值，滴加硫酸的速度，以及改變滴加方式，獲得了較緻密的包覆二氧化欽，其分散性和酸溶性都獲得了較大程度的改善。
  15. Well, l m a rhodes scholar. i have a ph. d. in bio - analysis

    哦，我拿過羅得斯獎學金。我是生物分析學博士。
  16. Well, l ` m a rhodes scholar. i have a ph. d. in bio - analysis

    哦，我拿過羅得斯獎學金。我是生物分析學博士。
  17. Electrocatalytic oxidation of glucose at the sensor is determinated with respect to solution ph, temperature and concentration of water - soluble mediator naphthol green b. under optimal conditions, the sensor displays a good linear response in the concentration range of 8. 0 + 10 - 4 mol / l - 3. 6 + 10 - 2 mol / l, and the detection limit is 5. 0 + 10 - 4 mol / l

    文中討論了溶解性媒介體萘酚綠b的濃度、溶液的ph值和溫度對該電極電流響應的影響。這一介體型葡萄糖傳感器在優化的實驗條件下，對葡萄糖表現出良好的響應特性，如響應快、重現性和穩定性好。
  18. It was unadsorbed on cm - cellulose in 10mmol / l naac - hac ( ph 5. 4 )

    Sephadexg - 75凝膠過濾得到電泳級純的凝集素。
  19. Keeping the ph at 6. 0, 3 % of the initial glucose concentration, 5 % of seed volume, 1 % of glucose concentration, heat shock at 50 ? for 6 hours resulted in 8. 94g / l trehalose

    研究還發現，選用5接種量， 3初糖濃度，反應過程中底物濃度1左右， ph6刀， 50 』 c條件下震蕩反應6h ，海藻糖合成量可達不94g l 。
  20. The optimized condition is : urease concentration 8 mg l " 1, ph value of subphase 5. 5, association time of ureaes with amphiphiles 2 h, the temperature of subphase 10 ?, sio2 / si substrate with hydrophobic surface

    脲酶濃度8mgl ~ （ - 1 ） ，亞相ph值5 . 5 ，酶與表面單分子膜的締合時間2h ，亞相的溫度10 ，基片表面為憎水性。
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