quot scattering the transition state quot from a metal surface

modern trends in chemical reaction dynamics experiment and theory

Ngày tải lên : 01/04/2014, 10:35

... far is a highly averaged quantity, the actual data obtained from the Doppler-selected TOF measurement is however the state- to -state DCS To illustrate the eﬀect of reactive resonance at the stateto -state ... ˜ B 1A1 − X 1A1 (4sa1 / 6a − 5a1 ) based on the ab initio calculations.74−76 The ˜ PES of the B 1A1 state calculated by Flouquet77 has a conical intersection with the ground state at a linear geometry ... smoother and localized in a broad swathe in the backward hemisphere An analogous swathe is also observed in the HF + D channel From the excitation function results, we know that the DF + H channel...

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Báo cáo khoa học: Studies on the role of the receptor protein motifs possibly involved in electrostatic interactions on the dopamine D1 and D2 receptor oligomerization pdf

Ngày tải lên : 07/03/2014, 03:20

... D2R2: 217AAAAKR222, D2R3: 217AAAAAA222), as well as one variant of the dopamine D1 receptor, in which an acidic epitope (404EE405) from the C-tail was exchanged (D1MUT: 404AA405) Each exchanged ... however, the density of the D1MUT (404AA405) was Table Binding parameters for the dopamine receptors For dopamine D2 receptor binding, the statistical signiﬁcance was evaluated using a one-way ANOVA, ... residue was mutated to an alanine residue The appropriate point mutations were produced according to the QuikChange II Site-Directed Mutagenesis Kit Manual (Stratagene, La Jolla, CA, USA) Dopamine...

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Báo cáo hóa học: " Comparison of nickel silicide and aluminium ohmic contact metallizations for low-temperature quantum transport measurements" docx

Ngày tải lên : 20/06/2014, 22:20

... loaded into a high vacuum (4 × 10-6 mbar) thermal evaporator For the aluminium Hall bars, 80 nm of Al was evaporated followed by a 30-min anneal at ≈350°C in dry N2 The nickel silicide Hall bars ... aluminium and nickel silicide contact metallizations to the Si:P δ-layers Figure 1a shows a small peak resulting from weak localization within the δ-layer, and can be fitted with the Hikami model as ... both samples with fast sweep rates of 0.2 T/ min, cooling the sample as the field sweeps towards B = and heating as the field sweeps away from B = This is characteristic of adiabatic demagnetization...

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Genotoxicity of 255 chemicals in the Salmonella microsome test (Ames test) and 8-hydroxyguanine (8-OH-Gua) assay for the detection of carcinogens

Ngày tải lên : 05/09/2013, 08:40

... oxidative DNA damage; nearly 100 products (Floyd 1990) Among them, 8-OH-Gua is a major mutation-prone (G:C to T :A transversion) DNA base-modified product Alkylating chemicals, as well as free radicals, ... Shigenaga, M.K., Walter, P.B., Woodall, A. A., Yeo, H.C and Ames, B.N (1998) DNA oxidation matters: the HPLC-electrochemical detection assay of 8-oxodeoxyguanosine and 8-oxo-guanine, Proc Natl Acad ... Health Sciences S9 fraction of phenobarbital/5,6-benzoflabone-pretreated male Sprague-Dawley (SD) rat liver and human liver were purchased from Oriental Yeast Co Ltd (Tokyo, Japan) and Funakoshi...

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Variables, Expressions, and Statements (Oh My)

Ngày tải lên : 29/09/2013, 16:20

... than the already amazingly grand example program of assigning a value to a variable and printing it What if you only want to print it if the number is less than 10? What if you want to print all ... because it's not really algebra That's not an equivalency statement it's an assignment Basically it's saying whatever variable is on the left hand side of the assignment (=) is going to be assigned ... it and 10? What if you want to only print the number on a Thursday? All these incredible things and more are available to you through the magic of various statements 3.4.1 The if statement The...

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báo cáo hóa học:" Controllable Synthesis of Single-Crystalline CdO and Cd(OH)2 Nanowires by a Simple Hydrothermal Approach" docx

Ngày tải lên : 21/06/2014, 18:20

... JEOL-2010, Japan) operated at an accelerating voltage of 200 kV and a ﬁeld-emission scanning electron microscope (FESEM model FEI Sirion 200, America) operated at an accelerating voltage of kV The photoluminescence ... see that the wires are comprised of several nanowires that bundle together, and the average diameter of the wires is around 40 nm (Fig 2b, c) In addition, detected also are nanostrands of smaller ... treatment, the as-obtained solid material was separated from the yellow turbid solution using a centrifuge and thoroughly washed with absolute ethanol and deionized water (three cycles) The reagents...

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Báo cáo hóa học: " Side-by-Side In(OH)3 and In2O3 Nanotubes: Synthesis and Optical Properties" pot

Ngày tải lên : 22/06/2014, 00:20

... of the as-obtained product In2O3 b The enlarged image of the area marked by the white arrow in a c TEM image with larger magnification d The selected area electronic diffraction pattern of the ... to the enlarged image of the area marked by the white arrow in a and TEM image with larger magnification, respectively d The selected area electronic diffraction pattern of In(OH)3 image with larger ... average diameter of 55 nm and a mean length of 180 nm Interestingly, a typically local magnified image (Fig 2b) and TEM image with larger magnification (Fig 2c) clearly reveal that the as-synthesized...

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Báo cáo hóa học: " Self-Assembled 3D Flower-Like Hierarchical b-Ni(OH)2 Hollow Architectures and their In Situ Thermal " pdf

Ngày tải lên : 22/06/2014, 01:20

... was calcined in air for h Characterization The phase purity of the products was examined by X-ray powder diffraction (XRD) using a Rigaku D/max 2500 diffractometer at a voltage of 40 kV and a ... products take on a ﬂake-like shape (Fig 3d) rather than 3D Fig TEM images of the as-synthesized samples with treatment times of a h, b h, and c 12 h at 120 °C SEM images of the assynthesized sample ... decomposed from CO(NH2)2 can act as soft templates to induce the self-assembly of nanosheets on their surfaces A similar gaseous bubble has also been used as a template for TiO2 and VOOH hollow nanostructures...

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Báo cáo hóa học: " Transformation of b-Ni(OH)2 to NiO nano-sheets via surface nanocrystalline zirconia coating: Shape and size retention" potx

Ngày tải lên : 22/06/2014, 22:20

... maintained by the surface ZrO2 Again, according to the FWHM of (2 0) peak of the ZrO2-coated NiO, the grain size was 6.42 nm TEM images of the ZrO2-coated NiO also showed sticks and hexagonal ... was clearly shown even heating at higher temperature compared to the uncoated one The particular behavior of the synthesized ZrO2-coated NiO nano-sheets was proposed by the surface ZrO2 nanoparticles ... was calcined at different temperatures For characterization of the synthesized samples, XRD (Rigaku D/Max-RC, Japan) with CuKa as 29 radiation source (k = 1.5406 A) was performed at 40 kV and...

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Facile synthesis of leaf like Cu(OH)2 and its conversion into cuo with nanopores

Ngày tải lên : 02/09/2015, 13:16

... structure are prepared from the dehydration of Cu(OH)2 Experimental Analytic grade chemicals of CuSO4, ammonia, n-hexane, and surfactant Span80 were purchased from Shanghai Chemical Reagents Company ... patterns of the as-prepared Cu(OH)2 leaf-like particles (a) and particles obtained after calcination at different temperatures for h (b−f) Liangmiao Zhang et al / Acta Physico-Chimica Sinica, ... be emphasized here that this leaf-shaped architecture has a high thermal stability and is stable even after calcination at 800 °C Potentially, this highly thermally stable and porous nanostructure...

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Bài 24: Bài toán về Al(OH)3 và Zn(OH)2

Ngày tải lên : 05/10/2012, 10:36

... 58-58-12 - Trang | - Kh a học LTĐH đảm bảo môn H a –Thầy Sơn Bài 24.Bài toán Al(OH)3 Zn(OH)2 C Mg, Al2O3, Al D Fe, Al2O3, Mg Bài 23: Dãy gồm chất v a tan HCl, v a tan dung dịch NaOH là: A NaHCO3, ZnO, ... 19,53% Bài 25: H a tan hoàn toàn m gam hỗn hợp X gồm Na2O Al2O3 vào H2O thu 200 ml dung dịch Y ch a chất tan có nồng đọ 0,5M Thổi khí CO2 (dư) vào Y thu a gam kết t a Giá trị m a A 13,3 3,9 B 8,3 ... 2,54 gam hỗn hợp X gồm kim loại kiềm M Al h a tan H 2SO4 v a đủ thu 2,464 lít khí (đktc) dung dịch A ch a muối sunfat Cho dung dịch A tác dụng với lượng v a đủ Ba(OH)2 hết ion SO42- thu 27,19 gam...

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Nghiên cứu các yếu tố ảnh hưởng đến bột hyđroxyapatit Ca10(PO4)6(OH)2 kích thước nano điều chế từ canxi hyđroxit Ca(OH)2

Ngày tải lên : 18/03/2013, 10:21

... tỷ lệ Ca/P từ 1,5 đến 1,67 tương ứng với vùng ch a tricanxi photphat Ca3(PO4)2 đến vùng ch a tetracanxi photphat Ca3(PO4)2.CaO, xuất tinh thể Ca 9(HPO4)(PO4)5OH (Calcium Deficient HA, CDHA) Ở vùng ... tạo HA bột phản ứng hai pha rắn CaCO3 CaHPO4.2H2O: 4CaCO3 + 6CaHPO4.2H2O → Ca10(PO4)6(OH)2 + 4H2CO3 (1.14) Hoặc phản ứng sau: 2Ca3(PO4)2 + Ca4P2O9 + H2O → Ca10(PO4)6(OH)2 (1.15) 2Ca3(PO4)2 + CaO ... H2O, năm 1996, T S B Narasaraju D E Phebe [30] tiến hành nghiên cứu tạo thành pha khác có hệ là: anhydric mono canxi photphat – Ca(H2HO4)2, mono canxi photphat monohydrat – Ca(H 2PO4)2.H2O Trên...

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khảo sát ảnh hưởng nồng độ phối trộn Cu2(OH)2Cl trong thức ăn đến tỉ lệ sống, tốc độ tăng trưởng

Ngày tải lên : 10/04/2013, 21:01

... tra Pangasidae Giống Pangasianodon Loài Pangasianodon hypophthalmus Cá tra phân bố lưu vực sông Mêkông nước Lào, Campuchia, Việt Nam Thái Lan Ở Thái Lan, gặp cá tra lưu vực sông Chao Phraya (Robert ... of the Academy of Natural Sciences of Philadelphia 143: 97-144 Sena S De Silva, Trvor A Anserson, 1995, Fish Nutrition in Aquaculture, Chapman & Hall Spears, J W., Kegley, E B., Mullis, L A. , and ... http://www.micronutrients.net/Animal/tbcc.htm (đọc ngày: 10.1.2010) Roberts, T.R and C, Vidthayanon 1991, Systematic revision of the asian catfish family ngasiidaewith biological observations and descriptions...

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Oh, Prepositions Again!

Ngày tải lên : 25/06/2013, 01:27

... could not park his car in the driveway because another car was in the way i once in a while (occasionally) - Once in a while, we eat dinner in a Chinese restaurant j in no time at all (in a very ... the theatre (37) the corner (38) San Fantima Street and San Kulo Avenue We arrived there (39) no time (40) all (41) car We sat (42) the middle (43) the theatre, (44) the tenth row The film started ... table Common usage of ON: a on a day/date - I will call you on Thursday His birthday is on January 28 b on the bus/plane/train/ship/bike - It's too late to see Jane; she's already on the plane...

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Oh, Prepositions Again

Ngày tải lên : 27/06/2013, 11:46

... could not park his car in the driveway because another car was in the way i once in a while (occasionally) - Once in a while, we eat dinner in a Chinese restaurant j in no time at all (in a very ... the theatre (37) the corner (38) San Fantima Street and San Kulo Avenue We arrived there (39) no time (40) all (41) car We sat (42) the middle (43) the theatre, (44) the tenth row The film started ... table Common usage of ON: a on a day/date - I will call you on Thursday His birthday is on January 28 b on the bus/plane/train/ship/bike - It's too late to see Jane; she's already on the plane...

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Ôh hè anh 9 ( số 2)

Ngày tải lên : 05/09/2013, 13:10

... football match .because of the flood We had hardly reached the front gate a taxi appeared If Pratoom is .busy to go with you, take me instead Having planned his holiday advance, he was very ... Choose the best answer Finally means A at last B easily C at first An error is a A cause B mistake C strange thing 3To raise means to A push B pull C lift To injure means to … A destroy ... spoken all , the world A over B in C above D on 42 Freda came to the m.eeting but Charles A isn't B hasn't C didn't D wasn't 43 Our flat is very small We wish we another bedroom A had B have C have...

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Ôh hè Anh 9 ( số 5)

Ngày tải lên : 05/09/2013, 13:10

... have tea for breakfast, .you? A haven't B don't C won't D have 41 The woman began to because her son was late coming home A trouble B worry C care D take care 42 He had .a good of the examination ... A material B collective C common D abstract That old and valuable vase is fragile; please it with care A make B drop C place D handle The noise was deafening and we could hardly hear ourselves ... invitation D appeal 10 If I say that I'd rather wait, I mean that I A prefer to wait B like to wait C refuse to wait D promise to wait D Choose the best answer When I tried to walk I had a sharp in...

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ọcon tập về nhóm OH

Ngày tải lên : 15/09/2013, 03:10

... + = 3a + x = b    ⇒ c = 4a − b n↓ = a − x = c   Al (OH )3 c = 4a − b > hay b < 4a Để có kết t a  nH + = b ≤ a → n↓ = b(n↓max b = a)   a < nH + < 4a → n↓ = 4a − b Vậy   nH + ≥ 4a → kết ... = 2a + x  4a − b  ⇒c = n↓ = c = a − x   4a − b > hay b < 4a b   nOH − = b ≤ 2a → n↓ = (n↓max b= 2a)  4a − b Vậy  2a < nOH − < 4a → n↓ =   nOH − ≥ 4a → kết t a    Để thu kết t a c ... cho vào 100ml Tính nồng độ mol chất tan dung dịch A A [Na[Al(OH)4]]=0,2M; [NaOH]=0,4M B [Na[Al(OH)4]]=0,2M; [NaOH]=0,2M C [Na[Al(OH)4]]=0,4M; [NaOH]=0,2M D [Na[Al(OH)4]]=0,2M 22) Cần ml dung dịch...

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Bài canihidroxit Ca(OH)2

Ngày tải lên : 17/09/2013, 03:10

... chất tan nước ( bazơ tan ) Dung dòch thu dd bão h a nhiệt độ phòng , có ch a gam canxi hidroxit lít dung dòch (I) Tính chất : 1,Pha chế dung dòch canxihidroxit _ H a tan vôi Ca(OH)2 ta chất ...  CaSO4 dd+2H2Ol Bazơ tan có tính chất h a học ?Ví dụ minh h a ? c.Tác dụng với oxit axit Ca(OH)2( dd)+ CO2 (k)  CaCO3 (răn)+H2O (l) Các nhóm làm tập: Hoàn thành sơ đồ sau CaCO3 → CaO → Ca (OH ... trung h a Tức pH = Chọn a Các nhóm làm tập sau : ( ph ) Hoàn thành sơ đồ chuyển h a sau : CaCO3  → CaO  → Ca (OH )2  → Ca ( NO3 )2 (1) (2) (3) Đáp án : T (1) CaCO3  CaO + CO2 → (2) CaO +...

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Phụ âm bắt đầu các âm tiết – Oh, no snow!

Ngày tải lên : 28/09/2013, 12:10

... biệt từ gốc từ sau thêm nguyên âm + extra syllable Sleep Asleep Dress address Street A street Sport support That ski That’s a key That smile That’s a smile What snake? What’s an ache? Có thể việc ... off in the Steam/ stream She didn’t want to Stay/say The went down Pain/plain I can’t anything Sell/smell Key: Glass Play Frigh0074 Tooth Stream Stay Plane Smell ... nghe The is green audio chọn Glass/gas từ nhỏ để điền vào chỗ trống: I don’t want to Play/pay It was a terrible ! Fight/fright The is out! Tooth/truth The dirt came off in the...

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