TRUNG TAM KHOA Hoe TlJNHLEN vA eONG NGHI;,Quae GIATap chi Hoa hoc, T. 39, so 3 - 2001

Ml)C Ll)CCONTENTS

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Danh gia tuoi tho nhiet cua t6 h9'P epoxy-novolac diaminophenylsunfon bang donghoc phan huy TGA.

The use of TGA degradation kinetics to estimate the thermal life of epoxy-novolac/diaminodiphenylsunfone systems.

Trin Vinh DI¢u, t.e 7711Phij, Tr,in H,jj NIllh

2 Dong h9C hap phu p-nitroanilin tren than hoat tfnh. 5

Adsorption kinetics of p-nintroaniline on activated carbons.

La Viln Huynh. Le Viln Cit. Mal Xusn Kf

3 Epoxy hoa dau dau bang axit peaxetic. 10

Epoxidaiion of soya-bean oil by peracetic acid.

Nguyen Thi VI¢r Trieu. Le Xtuin Hien. Phsm Thi Hong

4 Nghien ctru phan irng oxi hoa chon 19Ccua etanol tren mot so oxit kim loai. 13

Study of the partial oxidation of ethanol on several metal-oxide catalysts.

Nguyen Viln uo« Nguyen noo Phil

5 Tong h9'P mot so azometin cua S-amino-l ,2-dimetylindol. 17

Synthesis some S-amino-l ,2-dimethylindole azomethines.

Dang Nhu 1'.a1.Trfln Ibach Van. Nguyen Van Ngoc, Ptuun Duy Nam

6 Indol ancaloit tir cay Lai trau tu tan ( Tsbemuemontsns corymbosa). 20Alkaloides indole from Tubernsemontsns corymbosa.

Trinh Phuong Lien. Trdn Van Sung. Guenter Adam

7 Nghien ciru tac dung cua cac chat co heat tinh sinh h9C cao tir chitin doi voi su nay 23mam hat thoc giong.

Study on the action of high biological active compounds from chitin for Germinatingof Rice-seed.

Nguyen Thi Hue, Lam Ngoc Thu, Nguyen Van Hoan

8 Cac h9'P chat limonoit tir cay Hong bi dai (C/ausena excavata).Limonoids from Clausena excsvsts.

27

Tnnh Th/ Thuy. Tran Van Sung, Guenter Adam

104

9 Xac dinh hieu suat cat mach birc xa _(Gd) cua alginat trong dung dich mroc bang 34phuong phap do do nhot.

Determination of radiation degradation yield of alginate aqueous solution byviscosimetry method.

Nguyin Quae Hien, Le Hdi, Truong Tbi Hdi, Le Quang Lusn

10 Hidroxyl hoa dau hat cao su bang hidro peoxit voi xuc tac selen oxit va vanadi penta oxit, 36

Hydroxylation of rubber seed oil by hydrogen peroxide with selenum dioxide andvanadium pentoxide catalysts.

Do Huy Thanh, Tdn Cong Khanh, Phan Van Ninh

11 Mot s6 ket qua nghien ciru dong hoc va nhiet dong hQC phan trng phan huy H202 xuc 39tac bang phirc Mn(lI) voi etylendiamin.

Some results of kinetic and thermodynamic studies on H202-decompositioncatalyzed by manganese complex with ethylenediamine.

Trdn Tbi Minh Nguyet, Nguyen Van Xuyen

12 Nghien ctru ph an irng dehidro hoa etylbenzen thanh styren tren cac xiic tac oxit kim 43loai hon hop.

Study on ethylenbenzene dehydrogenation to styrene on mixture metal oxidecatalysts.

Hoa HiJu Thu, Phan Thanh Son, Vil Van Hieu

13 T6ng hop va xac dinh cau tao mot so dan xuat 3-(3-piridinyl)-1 ,5-diaryl fomazan. 48

Synthesis and structural identification of some derivatives of 3-(3-pyridinyl)-1,5-diarylformazanes ..

Nguyin Dinb tnco, Doan Duy tte», Dinh Thi Lieu

14 Tong hop thuy nhiet zeolit PI true tiep tir cao lanh khong nung. 53

Synthesis of hydrothermal PI zeolite from uncalcined kaolin.

Ts Ngge Don, Vil Dao Thing, Dso Quae Tuy, Hoang Trang Yem

15 Nghien ciiu sir bien d6i cau tnic cua he xtic tac Fe-AI20, trong phan irng oxi hoa 57bang H202.

Study on the change of the crystalline structure of Fe-AI20, catalysts in theoxidation reaction by H202.

Ngo Thj Tbusn, Tdn Thi Van Thi

16 T6ng hop vat lieu vi mao quan chira titan TS-l bang ker tinh thuy nhiet. 60

Synthesis of nanocapillary materials containing titanium TS-l by hydrothermalcrystallyzation. -

Nguyen Dinh Tuyen, t.e Thj Hoai Nam, Blii Tien Diing, Nguyin HiJu Phil

17 Nghien ciru sir dung silicagel d~ tach cac san pham oxi hoa ra khoi nhien lieu phan 65luc.The use of silicagel in separating oxidized product from Jet fuel.

Nguyin Van Khue

18 T6ng hop mot sa dan xuat amit tir axit 3a-hidroxylup-20(29)-en-23,28-dioic voi axit 6911-amino-undecanoic.

Synthesis of amide derivaties from 3a-hidroxylup-20(29)-ene-23,28-dioic acid withl1-amino-undecanoic acid.

Nguytfn Quoc VU9'J1g,Trdn Van Sung

19 Nghien ciiu qua trinh dien phan 2,4,6-trinitrotoluen bang phuong phap sac ky long 74cao ap.

Study on electrolysis process of 2,4,6-trinitrotoluene by high performance liquidchromatographic method.

Nguytfn Quang TO/,d,Do Ngoc Khue, Nguytfn Van Dst,t» Duy Dtic, Do Binh Minh, To Minh Thj¢p

20 Nghien ctru che tao bot mai Ce02 chat lirong cao. 79

Making of the high quality polishing powder Ce02.

Luu Minh D{lj, D;jing VOMjnh, Va Van Tan

21 Nghien ctru cac ancaloit tir cu cay La lang rong t Crinum Istitolium L., 83amaryllidaceae) cua Viet Nam.

Study on alkaloids from the bulbs of Crinum latitolium L. (Amaryllidaceae)growing in Vietnam.

Phan Tong Son, Trdn Bach Duong, Phan Minh Gieng,Nguytfn Thj Mjnh, Walter C Taylor

22 Nghien ctru che tao vat lieu hap phu tir Rau cau va img dung trong viec tach loai mot 89sa kim loai nang tir dung dich nuoc.

The use of gracilaria biomass for removal of some heavy metals from aqueoussolutions.

Nguyen Xusn DOng, Nguyen Van N()J~Tdn Thj My Linh,t.e vt« Hung, Nguytfn Thanh Tung, Tnin Dinh Tnnh

23 Tinh tnrong cua chat tnrong nc tren co sa poly(oxit alkylen) trong dung dich muoi. 93

Swelling behavior of ampholytic poly(alkylene oxide)-containing hydrogel in saltsolution.

Phung Hil, E Schacht

24 T6ng hop va tinh chat cua mot vai phirc ciS"-diamin hon tap cua platin(II) chtra 99piperidin va amin thorn.

Synthesis and properties of some mixed ds-diamine Pt(II) complexes containing ,piperidine and aromatic amines.

Tn'in Thj t». Duong Bd VO, Nguytfn Hiiu Dinh

In tai Xuong in II, Xi nghiep in Trung tam Khoa hoc nr nhien va Cong nghe Quoc gia.Chi 56:· 12873- ISSN 0866 - 7144. In xong va nop hru chieu thang 10 narn 2001.

Gla: 12.000 d