free concentration 中文意思是什麼

free concentration 解釋
游離濃度
  • free : adj （freer; freest）1 自由的，自主的；自立的。 a free action 自由行動。 free competition 自由競...
  • concentration : n. 1. 集中。2. 【化學】提濃，蒸濃，濃縮；濃度；稠密度；【礦物】汰選，選礦，富化。3. 集中注意，專心。
  1. The total amatoxins concentration from carpophore of a. fuliginea collected in different development stages were studied. the result showed that the highest content of total amatoxins ( 23793. 3 g / g ) was found in the carpophore with the cap free from veil but the gill concealed by veil and, the lowest content of total amatoxins ( 4674

    灰花紋鵝膏菌不同發育時期的子實體毒素分析表明：以菌蓋尚未充分展開，內菌幕即將破裂時的毒素含量最高（ 23793 . 3 g g ） ，在凋萎時急劇降低（ 4674 . 9 g g ） ，只有最高時的19 . 65 。
  2. Materials and methods the mouse, golden hamster and human sperm were incubated with endotoxin in different concentration for different time to get capacitation, respectively, and ar was induced by progesterone after capacitation, then the rates of capacitation and ar were detected by chlortetracycline ( ctc ) and hoechst 33258 fluorescent staining method. the medium was with endotoxin in different concentration in sperm - oocyte fusion step during ivf, then the fertilization rate was observed. the 1 - cell, 2 - cell and zona - free 2 - cell mouse embryos were incubated in the medium with endotoxin, then the rate of blastocysts was recorded

    方法取小鼠精子10份、金黃地鼠精子6份、人新鮮精液標本10份及人冷凍精液標本9份，分別與不同濃度內毒素共孵育進行體外獲能和孕酮誘導的頂體反應，應用金黴素和dna結合的熒光染料hoechest33258雙重熒光染色法檢測精子的獲能率和頂體反應率；小鼠體外受精實驗的精卵結合環節培養液中加入不同濃度的內毒素，觀察受精情況並記錄受精率；取小鼠1 -細胞胚胎、 2 -細胞胚胎和去卵透明帶2 -細胞胚胎，與不同濃度內毒素共孵育進行體外培養，觀察體外發育情況並記錄囊胚率。
  3. In order to study the mechanism of the effect of low concentration tfp on the proliferation of s. pombe, we watch yeast cells loaded with fluo - 3 under laser scanning confocal microscope ( lscm ). the fluorescence intensity reflected the cytosolic free calcium concentration. the result showed that, the cytosolic free ca2 + concentration in s. pombe cultured in ca2 + - free medium was 2 ~ 3 times lower than that in s. pombe cultured in medium containing 10umol / l ca24, while ca2 + concentration in s. pombe treated with 50umol / l tfp was 4 - 5 times higher

    本文發現增加胞外鈣濃度以及低濃度（ 20 100 mol l ）三氟拉嗪（ tfp ）不但能促進野生型s . pombe細胞的增殖，而且對mfp7菌株也有同樣的效應，這說明胞外ca ~ （ 2 + ）和低濃度tfp對不同遺傳型裂殖酵母細胞的增殖均有促進作用。
  4. The method of concentrating the decoloration solution of tylosin is usually carried out by thin film vacuum concentration. in this experiment, the concentration process is modified by using the nanofiltration membrane technique which is free from corrosive due to the extractant solvent and in the same time, heating and decomposition of the antibiotic are eliminated, the concentration course ia also distinctly shortened. in this process the small molecule can be filtered by water, and the quality of the product such as, the tyramine content, the solubility of the product, improved significantly. in addition, the membrane filtration process could save consumption of steam and cooling water

    泰樂星提煉過程中原工藝脫色液用薄膜真空濃縮，本試驗改進為耐溶媒納濾膜濃縮，料液不需要加熱即可濃縮，防止了料液的高溫分解破壞，濃縮收率明顯提高在濃縮的同時，部分小分子雜質可以隨水分子一起通過納濾膜而除掉，成品質量明顯提高，解決了用原工藝成品酪胺、溶解度不合格的質量問題省去了原工藝濃縮中費用較高的蒸汽、冰鹽水，經濟效益可觀。
  5. The current interest in melatonin is wintnessed by the growing number of scientific papers directly or indirectly dealing with this molecule, in the last 10 years, the mean number of articles has doubled and reports on new compounds acting at the melatonin receptors abound, although the search for a clear therapeaatic role for these ligands is still under way beside the scientific interest, there is a contemporary, but largely independent, explosion of a free market of various products containing mt, which have been presented at antiage agents protecting against differe kinds of injuries, although this action still lacks a solid scientific foundation. indeed while a number of physiological action of mt are coming to light, the exact role and the the real therapeutic benefit of this compound still remain unclear, both have been the subject of debate. with a lot of potential actions still to be fully demonstrated and with some mechanisms deserving more clarification, in sense, the appellation of the hormone of darkness, attributed to mt beacause of its characteristic concentration / time profile, seems extremely appropriate

    除科學興趣以外，也有暫時的，在很大程度上不可靠的有關各種含有mt的產品開發的探索，如出現的保護多種損傷的抗衰老劑。盡管這些產品的作用仍缺少堅實的科學基礎，事實上當mt的許多生理作用研究清楚后，這種物質的確切作用和真實的治療效果仍不得而知。有許多潛在的作用需要充分論證，有些機理需要進一步區分，在某種意義上說，稱mt為黑暗激素，主要是由於在某一時間的特定濃度分佈似乎更合適。
  6. The biological functions testified include : enhance iron ion assimilation of epithelial cell of intestine and equilibrate body iron concentration ; broad spectrum of antiviral activity, antibacterial activity and antifungal activity ; modulate marrow cell production and growth ; help to mature and regulate a number of immune cells throughout the body, thus boost body immune ability ; prevents " free iron " from forming free - radicals ; supress tumour growth and prevent tumour formation in animal models

    乳鐵蛋白是一種糖蛋白，為轉鐵蛋白家族的一員，在人和哺乳動物的許多器官與組織中廣泛分佈。乳鐵蛋白具有多種生物學功能，這些功能包括：促進人體腸道對鐵的吸收及調節體內鐵的平衡；廣譜抗菌（細菌和真菌） 、抗病毒感染作用等。
  7. The purposes of the present study were to investigate ( 1 ) the hemodynamic effects of agmatine in anaesthetized dahl salt - sensitive ( ds ) hypertensive and dahl salt - resistant ( dr ) rats ; ( 2 ) the effect of agmatine on vascular tension in the isolated aortic artery of rats and the underlying receptor mechanism ; ( 3 ) the effects of local injection of agmatine on femoral, renal, and mesenteric vascular beds by constant flow perfusion method ; ( 4 ) the effect of agmatine on l - type calcium current ( / ca - t ) in rat ventricular myocytes with whole - cell configuration of the patch - clamp technique ; ( 5 ) the effects of agmatine on free intracellular calcium concentration ( ca2 + d of isolated rat ventricular myocytes

    （ 3 ）採用後肢、腎臟和腸系膜動脈在體恆流灌注法，觀察向灌流環路中直接注射胍丁胺的血管效應。 （ 4 ）應用全細胞膜片箝技術，觀察胍丁胺對大鼠心室肌細胞l -型鈣通道電流（ i _ （ ca - l ） ）的影響。 （ 5 ）用fluo3 - am負載分離的大鼠心室肌細胞后，由激光共聚焦法測定單個心室肌細胞[ ca ~ （ 2 + ） ] _ i的熒光強度，觀察胍丁胺對分離大鼠心室肌細胞內游離鈣濃度（ [ ca ~ （ 2 + ） ] _ i ）的影響。
  8. 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
  9. In order to detect the effect of human sperm mannose - ligand receptor on the fertilization ability, in the study reported here mannose - ligand receptors ( mrs ) were purified from human sperm by modified mannose - agarose gel affinity chromatography coloumn and determined protien concentration by lowry, preincubated zona - free hamster oocytes with four purified mannose - ligand receptor ( pmr ) concentrations before sperm penetration assay ( spa ) to test the pmrs cell biology nature of inhibition to fertilization

    本研究用改良后的親和層析法分離純化mr ， lowry法測定其蛋白質濃度，在精子穿透試驗（ spermpenetrationassay ， spa ）模型中定量研究其對精卵融合能力的影響並檢測其細胞生物學活性；以已知濃度的pmr （ purifiedmannose - ligandreceptor ）干預精子半透明帶試驗，觀察用pmr預處理半透明帶對精子與透明帶結合的影響。
  10. For further observation the influence of some polysaccharides including free heparin, lmw heparin, cs - a, cs - c, ha, dxs, fucoidan and carrageenan family on the interaction of heparin with ifn -, 1. 5 ng ifn - y was preincubated at 37 for 30 mins in the presence and absence of different concentration of these polysaccharides before addition to coated well

    16拜g / ml ） 。結論}浙江大學碩士學位論文多糖與工fn一y的結合是一個復雜的過程， el工sa是一個簡單、靈敏的體外研究蛋白與多糖相互作用的方法，能夠在納克水平檢測到工fn一y與肝素的結合。
  11. Effects of genistein on intracellular free - calcium concentration in guineapig ventricular myocytes

    2基因的中國倉鼠卵巢細胞對毒物抵抗作用的研究
  12. The extent of the influence that concentration, incubation time and free folate exerted on the uptake of folate - bsanp by ovarian cancer cells ( skov3 ) was determined using fluorescence spectrophotometer

    以螢光定量法確定濃度、時間、游離葉酸對腫瘤細胞攝取葉酸偶聯白蛋白納米粒的影響程度。
  13. Uptake of folate - bsanp by cancer cells was gadually increased with the extension of incubation time or the increase of folate - bsanp concentration, and the uptake could be competitively inhibited by excess free folate

    葉酸偶聯白蛋白納米粒的腫瘤細胞攝取量隨納米粒濃度增大、培養時間延長而增加，腫瘤細胞對葉酸偶聯白蛋白納米粒的攝取可被過量的外源性游離葉酸所抑制。
  14. Effect of magnetic field with different strengths on the free radical concentration in sesamum indicum seeds

    梯度磁場對芝麻種子生物效應的影響
  15. With great concentration, using free and fluent yet forceful strokes

    書法家們神情專注，揮灑自如氣勢恢弘，讓來賓們大開眼界。
  16. Study on cyanide - free process of lead - zinc separation for slime system of a concentration plant

    某選礦廠礦泥系統鉛鋅分離工藝的探索
  17. The exploratory experiment of cyanide - free separating technology of lead - zinc in the slime for a concentration plant had been carried out

    摘要對某選礦廠礦泥的無氰鉛鋅分離工藝進行了探索研究。
  18. The results showed the contents of condensed tannin, glucose, sucrose, maltose, and all the soluble sugars in the transgenic cottons were lower than those of their own conventional parents, and there were some differences in the concentration of tannic acid, gossypol, each amino acid, fructose, mamnose and trehalose all the free amino acids between the transgenic and non - transgenic cotton cultivars, which indicated non - organic gene inserted in the transgenic cotton had some influences on the changes in nutrients and secondary substances

    結果顯示：供試的3個轉基因棉棉株體內縮合單寧、葡萄糖、蔗糖、麥芽糖含量以及可溶性糖總量均低於各自的常規棉親本；單寧酸、棉酚、果糖、海藻糖、鼠李糖和各種氨基酸含量以及游離氨基酸總量也與各自的常規棉親本有差異，表明外源基因的導入影響了棉株體內上述物質的合成與代謝。
  19. Free cyclin level is low for they quickly bind with cdc2, the total cyclin mainly exist in mprty ( pre - mpf ) ml to m2 process ; all the elements are set to g2 arrest concentration, then we set pka - > ipka rate = 0. 1 to simulate progesterone effect, ( it has been reported that progesterone can decrease the camp level, thus causes pka inactivation ) mpf activity rise at ml, falls at the inter phase between ml and m2, and then remains high at m2 arrest

    ： 22 nxm m dt 『 ? ? 「 ? 『民十cd 。 251 i ： vj rccjc25 pi然後，我們應用gepasi來進行這個模型的計算機模擬結果爪群卵成熟過程的模型模擬gz期阻滯，總的cyclinb的含量雖然升高，但是mpf保持在低活性狀態，隨著pka的失活， mpf活性有戲劇性的變化，它的活性在mi升高，在問期下降，然後又在mz期升高，最後停留在高活性的mz期。
  20. The reduced level of cell - free rumen fluid had no significant effect on xylanase production, but had significant effect on the cmcase activity. without cell - free rumen fluid, the high concentration level of yeast extract could improve xylanase and cmcase production. in the third section, crude enzymes produced by anaerobic fungus a4 was extracted, and their characteristics of the crude enzyme was also investigated

    與基礎產酶培養基相比，降低培養基中無細胞瘤胃液濃度對厭氧真菌所產木聚糖酶的酶活及比活力無顯著影響（ p 0 . 05 ） ，但對其所產的羧甲基纖維素酶的酶活及比活力有顯著影響（ p 0 . 05 ） 。
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