VI~N KHOA HOC VA tONG NGH.$ VI.$T NAMTap chi H6a hoc, T. 44, so 6 - 2006

MVC LVCCONTENTS

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1 Xac dinh cau true cua hidrotalxit khan gan CI- mat mroc tirng phan bang 1:9 thuyet 665phiern ham mat do.Study on the structure of partly calcinated hidrotalcite slab by density functional theory.

Dang Ung V¢n, r-s« Hu¢ Minh, Nguyen H(Ja Mi2 Nghien ciru su hap phu phan ly cua H20 tren be mat hidrotalxit mat nuoc bang phuong 671

phap dong hrc phan tir luong nr.Study on the dissociative adsorption of water molecules on partly calcinatedhidrotalicte slab by quanum molecular dynamics simulation.

Nguyen Thi Lan, Dang Ung V¢n

3 Anh huong cua thanh phan dung dich den qua trlnh tong hop Pb02 tren thep khong gi 304_ 676Influence of solution composition on the Pb02 electrodeposition prosess on 304stainless steel.

Dinb Tilt Mai Thanh va Cong su

4 Xac dinh gan dung diem yen ngua cho mot so phan img h6a hoc dac biet. 681Determination of approximative saddle point for some special reactions.

Phung Thi Vi¢t Bile, Dang Ung Vdn

5 Anh huang cua ph va (3 den toe do phan irng oxi h6a lumomagnezon (Lm) bang phirc 687chat trong he H20-Fe2+-Lm-HP2_The effect of pH and (3 on the rate of lumomagnezon (Lm) oxidation reaction by usingH202 catalyzed by the complex of Fe2+ion with Lm in the system H20-Fe2+-Lm-H202_

Cao Hong Ha, Le Cong Hoa, Nguyen Van Xuyln

6 Phuong phap tong tro CI,!C be nghien ciru kha nang barn dfnh cua mang epoxy-clay 691nanocompozit tren nen thep cacbon.Local electrochemical impedance spectroscopy applied to the delamination of anepoxy-clay nanocomposite coating for protection anticorrosion of carbon steel,

Trinh Anh True, To Xuan Hang, Truong Hoai Nam, va Ke' Oanh,Jean-Baptiste Jorcin, Nadine Pebere

7 Che tao bot y-Fe.O, kich thuoc nanomet bang phuong phap ket tua h6a hoc, 697Formation of y - Fe203 nano particles by chemical precipitation method.

Nguyen Tilt t.e Hien, Dinh Tilt Mai Thanh

8 Nghien ciru sir tao phirc don va da phoi tii cua L-histidin va axetyl axeton voi mot so 701nguyen to dat hiern (La, Ce, Pr, Nd) bang phuong phap chuan do do pH.Study complex formation of some rare earth elements with L-histidin and axetyl axeton.

Nguyin Trong Uye'n, Le Hiiu Thieng, Nguyen Tilt ToLoan

9 Nghien ciru hoa h9C cay bo may (Clerodendron eyrtophyllum turez). 704Phan I - Thanh phan hoa h9C dich chiet n-hexan cua r~ cay.Chemical study of Clerodendron eyrtophyllum turcz.Part I - Chemical constitutents of n-hexan extract of the roots.

va Dinh Hoang, Ba Thi Cham, Luu Hoa, Pham Gia Dietz

10 Bien tinh polypropylen bang cao su etylen-propylen-Dien dong trung hop, 707Modification of polypropylene by ethylene-propylene-diene terpolymer. ,

D6 Quang Khdng, Luong Nhu Hdi, t.e Cao Khdi

11 Tong hop perovskit La., CeO,1MI\),5~),5 03 bang phirong phap dot chay gel a nhiet do thap. 713Synthesis of LaO,9 Ceo,1Mno,5 CUO,503 perovskite by the gel combustion method at lowtemparature.

Luu Minh Dai, Nguyen Xudn Dang

12 Phan huy quang xuc tic nhan aminoclorotriazin cua pham nhuom hoat tinh. 719Photocatalytic degradation of reactive dye's triazine rings.

Bui Thanh Huang, Nguyen Thanh Hong

13 Nghien ciru hoa h9C la cay chan tra trung bQ Eurya annamensis. 725Chemical constituents from the leaves of Eurya annamensis.

Nguyen Mann Cuang, Dinh Thi Thu Thuy, Nguyen Quyet Chien

14 Nghien ciru tong hop xiic tac coban oxit mang tren vat lieu mao quan trung binh ia3d, 730z% CoO/Si02 (ia3d) (x= 1; 1,5; 3; 5) dung cho phan irng oxi hoa benzylancol.Study on catalyst synthesis of coban oxide supported on the mesoporous material la3d, x % CoO/Si02 (ia3d) (x = 1; 1,5; 3; 5) for oxidation reacition of benzylancol.

Hoa Hfiu Thu, t.e Thanh San, t.e Kim Anh, Truong Dinh Due

15 Che tao vat lieu polyme alloy tren co sa bot cao su phe thai va hdpe voi tac nhan khoi 734mao dicumyl peoxit.Phan 1 - Khao sat tinh chat co ly - Cau tnic hinh thai h9C va tfnh chat nhiet.Preparation and measurement of physical mechanical properties of polymer alloymaterials based on the waste rubber powder and hdpe with the initiator ofdicumylperoxide.

Trdn Thi Thanh Van, u Kim Long, va Hoai Nam, t.e Thi My Hflnh, va van Sinh

16 Nghien ctiu kha nang uc che an mon thep trong dung dich NaCl 0,1 M cua clay him co 739nanofi15.Study on the corrosion inhibition of organic clay nanofi15 for carbon steel in NaCl 0.1M solution.

To Thi Xudn Hang, Nguyen Thi ThlLoan, Pham Gia va, Trinh Anh True

17 Phan lap axit shikimic tir qua hoi viet nam (Illicium verum Hook. f - Illiciaceae). 745Isolation of shikimic acid from Vietnamese star anise.

Nguyen Quyet Chien, Doan Thi Mai Huang, Pham Van Cuong,Trdn Thi Thu Thtcy, Le Anh Tudn, Pham Xuan va, Nguyen van Hung

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18 Tong hop mot s6 d~n xuat cua cyclomusalenon tach tir qua chuoi hot (Musa 749balbisiana Colla).Synthesis some derivaties of cyclomusalenone from the fruit of Musa balbisiana Colla.

Db Quae via, Trdn Van Sung, Pham Gia Dien19 Nghien ciru che t'.10vat lieu polypropylen-nanocornpozit tir chat chu (masterbatch) voi 753

ham Iuong nanoclay cao.Preparation of polypropylene nanocomposites from masterbatch with high nanoclaycontent.

Bui Chuang, Trdn Hdi Ninh, Nguyen Minh Thu

20 T6ng h9'P va nghien ciru tlnh uc che an mon kim 10'.1icua mot s6 f3-aminoxeton tir 757benzyliden-r-anilin.

Synthesis and study on metallic corrosion inhibition of some f3-aminoketones frombenzylidene-r-anilines.

Dang NhuTc;ti, Nguyln Dinh Thanh, Bui tt« Hong Phuong21 Dien ket tua Co len de Si (lll)/Au. 762

Electrodeposition of Co thin Film onto n-Si(lll)/Au substrate.Mai Thanh Tung, Chu Van Thu(m, Nguyen Hoang Nght

22 Tong hop va mot vai tinh chat cua azometin day 5-amin-2-metylindol va 5-amino-l ,2- 766dimetylinol.Synthesis and some spectral properties of azomethines 5-amino-2-methylindole and 5-amino-l,2-dimethylindole series.

Dang Nhu Tai, Nguyen Dinli Thanh, Pham Thi Quy23 SiI dung ca rot nroi vier nam lam xuc tac sinh hoc trong tong hop hiru ca. 772

Using vietnamese carrot as a biocatalyst in organic synthesis.Db Quang nu« u Ngoc Thc;tch,Tra'n na«Anh, ua Tht Minh Phuong,

Nguyln Thi Phuong Thdo24 Mot so thanh phan hoa hoc chinh co hoat tinh sinh hoc cua cay co mire Eclipta alba 777

(L.) Hassk (Asteraceae) a Viet Nam.Bioactive principles of the Vietnam Eclipta alba (L.) Hassk (Asteraceae).

N guyln Thi Vi¢t Thanh, N guyln Vall D(Lu

25 Anh huang cua su thay the mot phan Sm vao vi trf ba den cau tnic tinh the, d(> dan 782dien va nhiet d(> chuyen pha cua vat lieu Ba2In20s.Effect of the Sm partial substitution for ba site on the crystal structure, electricalconductivity and transition temperature of Ba2In20:;.

Ph all Tht Bich Ngoc26 Thanh phan hoa hoc cua qua dai tao tZizyphus sativa Gaertn). 787

Phan 1. Axit alphitolic va cac dan xuat cua no.Chemical constituents of Zizyphus sativa Gaertn fruits.I - Alphitolic acid and its derivatives.

N guylll Tlii Hoang Anh, Trdn Van Sung, N. Arnold, L. Wessjohallll

Muc luc roan tap 44 - Accumulated contents of volume 44.

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