chitin chitosan and their oligomers
Preparation of chitosan magnetite composite beads and their application for removal of Pb(II) and Ni(II) from aqueous solution
... chitosan and no chemical bonding between chitosan and Fe3O4 was formed SEM, TEM and IR results are important because they evidenced the successful coating of Fe3O4 nanoparticles by chitosan and ... Morphology and particles of chitosan/ magnetite composite beads Balancing between high adsorption capacity (due to chitosan) and magnetic properties (due to Fe3O4) various molar ratios of chitosan/ ... concentration C0 and decreases with C0 As can be seen from Table 1, maximum adsorption capacities qmax are 63.33 and 52.55 mg/g and percentages of ion recovery % r are 90.47 and 75.07% for Pb(II) and Ni...
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Attackers and Their Attacks
... disinformation and propaganda – Deny service to legitimate computer users – Commit unauthorized intrusions into systems and networks that result in critical infrastructure outages and corruption ... malicious intent • Use their skills to expose security flaws Crackers • Person who violates system security with malicious intent • Have advanced knowledge of computers and networks and the skills to ... employees, and cyberterrorists • Password guessing is a basic attack that attempts to learn a user’s password by a variety of means • Cryptography uses an algorithm and keys to encrypt and decrypt...
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Báo cáo y học: " Predictors of hepatic steatosis in HBeAg-negative chronic hepatitis B patients and their diagnostic values in hepatic fibrosis"
... evaluate the predictors of clinical and pathological characteristics in these patients with steatosis and their diagnostic values in hepatic fibrosis Patients and methods Patients A total of 204 ... steatosis (83 men and 23 women, mean age: 41.08±10.23 years) and the remaining 98 patients were excluded from hepatic steatosis (79 men and 19 women, mean age 39.4±9.81 years) Their diagnoses were ... activity), and G3 (severe activity) All the sections were blindly and independently assessed by pathologists and the results were processed by the Kappa concordance test The inter- and intra-observer...
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Nghiên cứu tìm hiểu ứng dụng chitin, chitosan
... chitosan Vậy chitosan đơn chất mà nhóm sản phẩm chitin bị loại nhóm acetyl phần (Attila E, Pavlath and Dominic W S Wong, 1996) 1.3 Cấu trúc chitin, chitosan: 1.3.1 Cấu trúc chitin: Chitin dạng ... nhiên, chitin tồn dạng cấu hình: α, β, γ- chitin; phổ biến α -chitin, β -chitin Do cấu hình chitin khác nhau, dẫn đến chúng có số tính chất khác nhìn chung chitin có tính chất sau: Cả celluloze chitin ... muối monocarboxylic acid chitosan benzoat, chitosan- o- aminobenzoat (chitosan antranilat), chitosan aminobenzoat, chitosan phenyl acetat tan tốt chitosan hydrocinnamat tan chitosan -p- methonycinnamat...
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GROWTH PERFORMANCE AND SPERM QUALITY OF STRESS NEGATIVE PIÉTRAIN BOARS AND THEIR HYBRIDS WITH DUROC
... Growth Performance and Sperm Quality of Stress Negative Piétrain Boars and Their Hybrids with Duroc Kawecka et al (2008), Wysokinska et al (2009), Pokrywka and Tereszkiewicz (2011) and Luc et al (2011; ... Carcass composition and meat quality of crossbreds between F1(LandracexYorkshire) sows mated with LandracexDuroc (omega) and PietrainxDuroc (Pidu) Crossbred Boars Journal of Science and Developement ... 219 Growth Performance and Sperm Quality of Stress Negative Piétrain Boars and Their Hybrids with Duroc Table Production performance, Least square means (LSMSE) of PiDu and Piétrain boars Variable...
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Frequency of Routine and Flooding-stage Observations for Precise Annual Total Pollutant Loads and their Estimating Method in the Yodo River
... River and their runoff characteristics (Ebise et al (2001, 2003, 2004 and 2006)) Here, pollutants contain organic matter, nutrients, SS and other measured substances Fig - Map of the Yodo River and ... loads, Proc of Environmental and Sanitary Research, (JSCE), 20, 27-38 Ebise, S., Inoue, T and Numabe, A (1993) Runoff characteristics and observation methods of pesticides and nutrients in rural rivers, ... composite sample and analyzed inorganic ions and organic matter The water samples taken at the three points spanning the river during the five flooding-stages were analyzed individually, and the representative...
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Undaria pinnatifida Habitat Loss in Relation to Sea Urchin Grazing and Water Flow Conditions, and Their Restoration Effort in Ogatsu Bay, Japan
... seaweed and aquaculture Midori Press, Tokyo, pp 133 - 144 Turner, M G., Gardner, R H and ÓNeill R V (2004) Landscape ecology in theory and practice: Pattern and process, Nakagoshi, N and Hara, ... from the bottom and thus, allowing the recovery of U pinnatifida and other non-encrusting macroalgae Both buoyed reefs were made of wood and their length was 1.0 m with 1.0 m width and 16 cm height ... macrophyte flora and infauna in the outer and inner areas of the bay A total of 16 macrophyte species in 2003 and 15 species in 2004 were observed in Line (Table 1) U pinnatifida and crustose coralline...
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Nitrogen Dynamics and Biomass Production in a Vertical Flow Constructed Wetland Cultivated with Forage Rice and their Mathematical Modeling
... (3) where NHi and NOi represent NH4-N and NO2+3-N in the ith layer [g-N/m2], respectively, and Nrice is the rice nitrogen [g-N/m2] The terms radv,NH,i and radv,NO,i are the NH4-N and NO2+3-N inflow ... production and water treatment and a detailed understanding of the nitrogen dynamics in VF constructed wetlands CONCLUSIONS In the experimental pots replicating VF constructed wetlands, a variety ... with growth Assuming Monod-type nitrogen uptake kinetics (Selim and Iskandar, 1981) and ignoring the temperature effects, the NH4-N and NO2+3-N uptake by rice is described as rup , NH ,i = k N ,up...
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Characteristics of Leachate from Citrus Groves and their Changes in the Collecting Reservoirs in Matsuyama, Japan
... and Environment Technology, Vol 9, No.2, 2011 In this study, runoff characteristics of materials such as organics, nutrients and inorganic matters from a citrus grove were investigated, and their ... in detail and material balances around reservoirs were considered RESEARCH PROCEDURE Location: Matsuyama region and periphery of the Seto Inland Sea The location of the research area and the distribution ... growth chamber under dark condition, and the temperature was maintained constant between 10°C and 30°C RESULTS AND DISCUSSION Materials runoff characteristics and variation in the reservoir Fig...
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Changes of temperature data for energy studies over time and their impact on energy consumption and CO2 emissions. The case of Athens and Thessaloniki – Greece
... indicator and the basis for calculations of heating and cooling energy demand [1] or for estimating bin data and heating and cooling degree-days at any base [2, 10, 11] Table shows the monthly and ... cooling demands is 28.5% and for Thessaloniki 13.2% Obviously, directly proportional to the energy demand for heating and cooling is the fuel (diesel oil) and electricity consumption and hence ... measures applied to dwellings Energy and Buildings 200, 37, 982-95 Frank Th Climate change impacts on building heating and cooling energy demand in Switzerland Energy and Buildings 2005, 37, 1175-85...
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Biochemical characterization of thermophilic lignocellulose degrading enzymes and their potential for biomass bioprocessing
... (filer paper), BWX and PWSD The enzyme kinetic studies for cellulase and xylanase (Km and Vmax) were performed with 1-10 mg/ml of CMC and BWX, respectively [35] The crude cellulase and xylanase were ... albumin as standard [38] All experiments were run in duplicate and standard deviations (SD) were calculated using Microsoft Excel and results were presented as average ± SD Results and discussion ... other hand, the residual xylanase activity after and h of incubation was 99%, at 500C, and 89%, at 600C, respectively (Figure 4b) At 60oC, the half-life of cellulase and xylanase was 15 h and 18...
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CHỈ TIÊU PHÂN TÍCH CHITIN - CHITOSAN
... Bảng 2.7 Chỉ tiêu chitosan 46 iv PHÂN TÍCH CHITIN – CHITOSAN LÝ TẤN PHÚ Bảng Chỉ tiêu chitosan 46 Bảng Chỉ tiêu chitin 47 Bảng 10 Chỉ tiêu chitosan ... Chỉ tiêu chitin 49 Bảng 12 Chỉ tiêu chitosan 49 Bảng 13 Chitosan sử dụng y học Viêt Nam 50 Bảng Tổng hợp chất lượng chitosan 52 v PHÂN TÍCH CHITIN – CHITOSAN ... Bảng 2 Chỉ tiêu chitosan 42 Bảng Chi tiêu chitosan [10] 43 Bảng 2.4 Chỉ tiêu chitosan [15] 43 Bảng Chỉ tiêu chitosan 44 Bảng 2.6 Chỉ tiêu chitosan ...
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SẢN XUẤT CHITIN – CHITOSAN BẰNG PHƯƠNG PHÁP SINH HỌC
... – CHITOSAN LÝ TẤN PHÚ đuôi nhóm –NHCOCH3, cấu trúc α – chitin, β – chitin, γ – chitin mô tả sau α – Chitin - β – Chitin γ – Chitin α – Chitin có cấu trúc mạch xắp xếp ngược chiều đặn nên liên ... on chitin and chitosan produced from shrimp shell by using Bacillus subtilis fermentation Carbohydr , Res 342, 233 – 242 16 Stevens, W F (2001) Production of chitin and chitosan: Refi nement and ... TẤN PHÚ CHƯƠNG TỔNG QUAN VỀ CHITIN - CHITOSAN 1.1 Giới thiệu 1.1.1 Chitin - Chitin – chitosan polysacharite tồn tự nhiên với sản lượng lớn (đứng thứ hai sau cellulose) Chitin lần tìm thấy nấm nhà...
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ỨNG DỤNG CHITIN - CHITOSAN
... effluent, Am Dyestufflys Rep, 88, 53 20 ỨNG DỤNG CHITIN – CHITOSAN LÝ TẤN PHÚ 12 Dutta K and VS Tripathi (2004), chitin and chitosan : Chemistry, properties and applications, Journal of Scientific & ... sắc ký: Chitin chitosan ứng dụng tách sắc ký Sự diện nhóm NH2, nhóm –OH chitosan làm cho chất h trợ sắc ký hữu ích Sử dụng chitosan sắc ký mỏng để tách nucleic axit báo cáo Sử dụng chitin chitosan ... đứng sau cellulose Cấu trúc hóa học chitin gần giống với cellulose - Chitosan dạng chitin bị khử acetyl, không giống chitin, lại tan dung dịch axit - Cả chitin chitosan có nhiều ứng dụng công nghiệp...
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A study of the linguistic features of suggestion verbs in english and their vietnamese equivalents
... - To describe the syntactic and semantic features of SVs in English and their Vietnamese equivalents - To find out the differences and similarities between ESVs and their Vietnamese equivalents ... 100% THEIR VIETNAMESE EQUIVALENTS 4.2.1 DEMAND, ORDER & REQUIRE and Their Vietnamese Equivalents Table 4.38 A Summary of the Meaning Nuances of DEMAND and Their Vietnamese Equivalents Verb English ... Literature Review and Theoretical Background; Chapter is Methods and Procedure; Chapter is Findings and Discussions; Chapter is Conclusions and Implications Chapter LITERATURE REVIEW AND THEORETICAL...
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A study of verbs of matching in english and their vietnamese translational equivalents
... on the syntactic and semantic features of Rand, “Harry Potter and the Chamber of Secrets” by J.K.Jowing, CORRESPOND, FIT, MATCH, and SUIT including the analysis of “Harry Potter and the Sorcerer’s ... From these novels and short stories, 300 examples are quoted, analyzed, and used as the chief source for the qualitative evidence - Analyzing the samples and describing EMVs and their discussion ... tense, aspect, voice, mood, person and number RESEARCH DESIGN AND METHODOLOGY In “The Functional Analysis of English” by Thomas Bloor and 3.1 RESEARCH DESIGN AND METHODOLOGY Meriel Bloor [14,...
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A study of some linguistic features of expressions describing the villains in kiều story and their english translational equivalents
... Sino-Vietnamese words; Chinese and Vietnamese idioms and general and in translating from Vietnamese into English and vice versa as well 1.2 AIMS AND OBJECTIVES proverbs and lots of classical references, ... These words and expressions the villains (EDVs) in Ki u’s Story in terms of lexical and semantic are so lively and keen that the Vietnamese frequently use to express aspects and their English ... proverbial and duplicative The descriptive method helps the study describe and demonstrate EDVs in the Story of Ki u and their equivalents in the English versions in relation to the lexical and semantic...
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A study of semantic and syntactic features of english famous love sayings and their vietnamese translation
... semantic and syntactic features of EFLSs and their Vietnamese translation 5 - Helping users of English and Vietnamese get access to FSs from different viewpoints and understand more about them and ... understand the meanings of these FSs or quotations, the readers not only have experience in love and its sweetness and bitterness but also understand the semantic and syntactic features and the ... procedure 6 Chapter 4: Findings and Disccussions - describes, analyzes and discusses EFLSs and their Vietnamese translation concerning semantic and syntactic features and cultural features Chapter...
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