degradation rate 中文意思是什麼

degradation rate 解釋
降解速率
  • degradation : n. 1. 降級;免職。2. 退化;墮落。3. 【地質學;地理學】(地表的)剝蝕。4. 【化學】降解,遞降分解(作用)。5. 【物理學】(能的)退降。
  • rate : n 1 比率,率;速度,進度;程度;(鐘的快慢)差率。2 價格;行市,行情;估價,評價;費,費用,運費...
  1. The bacilliform cell penetrate into interior of the fibre to degrade the cellulose strongly and produced a mass of sticky polysaccharides. after cultured 48 hours, the bacilliform cell ' s surface of sporocytophaga have a great change. at this stage the bacilliform produce a lot of sticky polysaccharides. these sticky polysaccharides associated with the sites where the filter paper was decomposed intensively and form thorns on the surface of the bacillium. at the same time, the filter - paper weight loss is the greatest and decomposing rate is the fastest, so we think that the sticky polysaccharides are produced during the cellulose degradation

    培養48小時,桿狀細胞的表面結構發生很大的變化,此時的菌體表面已產生大量的粘性多糖,這些粘性多糖因菌體在纖維素表面滑動而在菌體表面形成突起,即在纖維素被旺盛降解部位的菌體表面產生了大量突起;而產生突起的菌體深入到纖維素分子內部,纖維素表面可以清晰地看到由於菌體嵌入纖維素分子內部而留下的凹陷。
  2. Furthermore, the degradation rate of the surgical suture line of chitosan must match up to the cicatrization speed of wound

    認為在制備手術縫合線之前有必要對殼聚糖進行預處理,此外縫合線降解的速度應與傷口愈合的速度相互匹配。
  3. Therrnogravimetric analysis at heating rates 5, 10, 15 and 20 c / min was used to study the decomposition kinetics of the pdms / pma ipn in ni and in air by using tg and dtg, and the upper limit of the temperature was 700 c. it was found that ipn began to decomposite at 350 c. the process of the thermal degradation was multiple steps, the curve of the rate of thermal decomposition had two peaks, one of which lied between 400 c ~ 420 c and the other lied between 500 c ~ 540 c, the result corresponded to the components of ipn

    在熱分解動力學研究中,通過在兩種氣氛中,分別以5 、 10 、 15和20 min四種升溫速率條件下,採用tg - dtg聯動測試, ipn材料在350開始熱分解。熱分解速率存在兩個峰值,一個分解峰值在400 420之間,另一個在500 540之間,這與ipn結構中包含兩組分相對應,同時發現當緩慢升溫時,特別是在空氣氣氛中,兩個分解峰減弱,熱分解趨向於一個連續過程。
  4. The decoloring rate and photocatalytic degradation of methylene blue solution for tio2 / sepiolite and tio2 / zeolite were high under sunlight ; 3

    發現tio _ 2海泡石復合材料、 tio _ 2沸石復合材料在自然光下,對亞甲基藍有很好的脫色和降解作用; 3
  5. Also decoloring rate and photocatalytic degradation of methylene blue were high for tio2 / sepiolite and tio2 / zeolite, and so much as sample reusing several times ; 4

    發現tio _ 2天然礦物復合材料,對有機染料的降解,經多次重復使用仍然具有很好的光催化降解性能; 4
  6. Increasing ultrasound intensity in the range of cavitation threshold and cavitation peak value, decreasing monomer concentration and increasing the temperature make the induction period shorter. under optimized reaction conditions, the conversion of ba can reach 90 % in 11 min at high n2 flow rate the viscosity average molecular weight of the obtained pba reaches 5. 24 106. the molecular weight of pba varies with ultrasonic irradiation time, indicating that the ultrasonic induced emulsion polymerization is dynamic and quite complicated, polymerization of monomer as well as degradation of polymer occurs concomitantly

    一、實現了無常規化學引發劑存在下的超聲輻照引發丙烯酸正丁酯( ba )間歇乳液聚合,制備了pba納米粒子,在11min內轉化率達到90 ,分子量達5 . 24 10 ~ 6 ,隨反應時間的延長而降低,表明超聲輻照引發乳液聚合是一個動態的復雜過程,單體的聚合和聚合物的降解同時發生。
  7. The results of the experimental tests show that nh4cl and k2hpo4, kh2po4 are the most available nutrents to our isolates when they are degrading oils. the most suitable experinment condition is : temperature being 30 c, initial ph being 7 - 8, the shaking rate of the culture flasks is 180 r / min, the concentration of nacl is 1 %. the biodegradation results have shown that our 6 isolates have the effective degradation capability to crude oil ; within 6 days the transforing rate of oil by each single strain is more than 60 %

    本研究分離出的6株菌,初步鑒定結果為: sy1為微桿菌屬、 sy2為諾卡氏菌屬、 sy3和sy5為假單胞菌屬、 sy4和sy6為芽孢桿菌屬;實驗結果表明, 6菌株的最佳氮源為氯化銨( nh _ 4cl ) ,最佳磷源為磷酸氫二鉀和磷酸二氫鉀的混合物,最適生長條件為:溫度為30 ,初始ph值為7 8 ,搖床轉速為180r min ,鹽( nacl )濃度為1 ;通過降解實驗得出6株菌對原油都有較強的降解能力,單一菌株在5天後的原油降解率都高於60 , 6株菌對原油的生物降解反應符合一級反應動力學特徵。
  8. By the analysis and study, it is showed that : 1 ) the lower weihe river main channel was at a balanceable state between aggradation and degradation and floodplain of the lower weihe river is a tiny aggradation state before the construction of the sanmenxia dam ; 2 ) the severe aggradation of the lower weihe river bed is mainly caused by the increasing riverbed elevation at tongguan after the construction of the sanmenxia dam ; 3 ) the main reason leading to the increasing riverbed elevation at tongguan is the unreasonable operation of the sanmenxia reservoir ; 4 ) the rate of the riverbed aggradation at tongguan reach and the lower weihe river reach are speeded by adverse condition of incoming water and sediment recently

    然後以實測資料為基礎分析研究了三門峽建庫前後潼關高程的變化規律以及渭河下遊河道的沖淤演變規律,分析研究表明:建庫前渭河下游主槽處于動態沖淤平衡狀態,灘地處于微淤狀態;建庫后,渭河下遊河道發生嚴重淤積主要是由於潼關高程的抬升造成的;潼關高程的抬升主要是由於三門峽水庫的不合理運用造成的,近期不利的水沙條件加劇了潼關河床的抬升速度和渭河下游的淤積。
  9. The degradation rate of map was 79. 95 % in 5 days when the water content in soils was 150 % ( paddy soil ) in laboratory test. the test also showed that degradation rate in paddy soil was higher than that in upland soil

    在模擬水田和旱田試驗中,加菌5天後水田土壤中甲胺磷的降解率為79 . 95 ,同時發現菌株在水田中的降解效果要好於旱田中的降解效果,含水量高有利於土壤中農藥的微生物降解。
  10. Slow down the rate of resource degradation

    降低資源消耗率
  11. The basis of these technologies is cellular matrix. it must have biocompatibility, surface compatibility, structure compatibility. biodegradation, and it also can be sterilized. because people can control the synthetic matrix appearance, dimension, intensity degradation rate and three dimensional, they used to use it. but it also brings biocompatibility and infection

    過去所用的支架一般為合成支架,它的優點是人們可以隨心所欲地控制支架的形態、尺寸、強度、降解時間、降解速度及三維結構,並可成批生產,但也帶來了諸如:生物不相容性,感染問題等,而且合成支架在表面相容性和結構相容性上有諸多不盡如人意之處。
  12. Calcium phosphates ( cp ) have been studied extensively for cell cultures and have been found to possess good osteoconductive properties. cp can be dissolved in vivo and be absorbed or displaced by tissue. the degradation rate of cp varies in different crystalline phases, which enables to adjust the degradation rate of biomaterials

    鈣磷酸鹽如磷酸三鈣具有骨誘導性,在體內有較大的溶解度,易發生水化作用,並通過體液的侵蝕和細胞的吞噬作用被機體部分或完全吸收而被取代,不同晶型的鈣磷酸鹽在體內的降解速率不同,可調整材料的降解速率。
  13. The main effect factors include : 1. microbial species, which seem to have different degradation rate under varied circumstances and n - alkanes ; 2. physical and chemical properties of crude oil itself, which have an important effect on biodegradation, such as conglutination, boiling point, refractive index, ingredient and concentration of the oil ; and 3. culture condition of microorganism, under which the degrading activity of microorganism will be affected by surfactant, light condition, sorbent, nutrition, co - metabolite, oxygen, temperature and salinity during the inoculation of selected or indigenous microorganisms

    其中主要影響因素包括:菌種的影響,菌種在不同的環境中和對不同碳鏈長度的碳氫化合物表現出不同的降解效率;石油物質本身物理化學特性的影響,如石油物質在水體或土壤中的濃度以及石油的粘度、沸點、折射率等特性;生存環境條件的影響,在接種入高效率的降解菌或利用土著微生物進行降解時,降解率受到生存環境中各種條件的影響,如表面活性劑、光照條件、吸附劑的利用、營養鹽、共代謝底物、氧氣、溫度、鹽度等。
  14. The experimental results were as follows. ( 1 ) effect of light sources. among the three light sources, i. e. sun light, 300w and 500w high - voltage mercury lamp, the degradation rate of triazophos under mercury lamp was higher than sun light, and increasing with the raising of mercury lamp voltage

    實驗結果如下: ( 1 )光源的影響:在選擇的三種光源(太陽光、 300w 、 500w高壓汞燈)中,汞燈照射下三唑磷的降解速度明顯大於太陽光,並且隨汞燈功率的增加而加快。
  15. Factors effecting the degradation rate, including types of light sources, photooxidation catalyzers and sensitizers, the ph value of water and the component of humus were investigated in the experiment, and the treatment of wastewater containing triazophos using uv - fenton was also studied in this paper

    為此本文進行了三唑磷在水體中光降解的實驗研究,考察了光源、光催化劑及光敏劑、水體ph值、腐殖質成分等因素對三唑磷光降解的影響,並對uv - fenton處理三唑磷廢水進行了研究。
  16. Controlling the cp species, content, polymer concentration and solvent scaffolds of different pore structure and degradation rate were achieved

    復合后材料的力學性能較純plla支架有所提高,並表現出較好的生物活性。
  17. The conclusion in that the degradation rate ofter adding rice hull in the polyurethane foam is higher obviously than that which no addition was made

    研究了制備條件,考察了自然條件下的降解情況,可知添加稻殼的聚氨酯泡沫塑料降解率明顯高於未添加稻殼的聚氨酯泡沫塑料。
  18. Immobilized technique ( mainly micro - immobilization ), is used widely and has great contributions to wastewater treatment, due to its characteristics of high degradation rate and strong adversity resisting property

    摘要固定化(主要為固定化細胞)技術,由於降解效率高,抗逆性強等優點,在廢水處理中應用廣泛。
  19. The influences of initiative concentration of rhodamine b, and the acidity of solution on the degradation rate of the tio2 films were discussed in the part of photodegradation of dye rhodamine b. the results indicated that the dye had the best photodegradation efficiency when the concentration of rhodamine b was 10mg / l and the acidity of solution was 3

    研究了染料羅丹明b的初始濃度、溶液的酸度等因素對tio _ 2薄膜降解率的影響。結果表明,在本實驗條件下,當羅丹明b溶液的濃度為10mg l , ph = 3時,染料具有最佳的降解效果。
  20. These results indicated that chemical treatments may cleavage the linkages between lignin and polysaccharides, and between monomers of lignin, which results in the decrease of compositions of lignin in primary and secondary wall of rice straw, and hence increases the degradation rate of secondary wall and degree of primary wall degradation observed under histological investigation

    上述結果表明,化學預處理通過破壞木質素與結構性多糖、木質素單體之間的連接,導致細胞壁各層的木質素組分不同程度的下降是化學預處理后稻草亞細胞結構變化的化學基礎所在。
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