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Solar Radiation Pressure Effects on the Orbital Elements of Artificial Earth Satellite 太阳辐射压力对人造地球卫星轨道要素的影响
Tikrit Journal of Pure Science Pub Date : 2023-02-10 DOI: 10.25130/tjps.v20i4.1216
Ahmed K. Izzet
{"title":"Solar Radiation Pressure Effects on the Orbital Elements of Artificial Earth Satellite","authors":"Ahmed K. Izzet","doi":"10.25130/tjps.v20i4.1216","DOIUrl":"https://doi.org/10.25130/tjps.v20i4.1216","url":null,"abstract":"The solar radiation pressure is one of the non-conservative force perturbation effects on earth satellite. A method presented to calculate the effect of radiation pressure on orbital elements for different altitude of satellites, the necessary calculation down by using modern Mat lab computer language. Typical results presented for radiation effect at deferent values of area mass ratio(A/m), the computed results indicated that the orbital elements much affected by solar radiation at high value of area mass ratio, also the effect on high orbit satellite is much more than that on low orbit satellite. The study also include the solar radiation pressure at two different value of ascending node ( Ω = 00 and Ω = 1800 ).","PeriodicalId":23142,"journal":{"name":"Tikrit Journal of Pure Science","volume":"29 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86453039","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Suitability of Injana Sandstone rocks for building Stone and Rail way ballast stone ̸ Ketol area ̸ Sulymania Governorate 印加那砂岩作为建筑石材和铁路压载石的适宜性
Tikrit Journal of Pure Science Pub Date : 2023-02-10 DOI: 10.25130/tjps.v20i5.1246
{"title":"Suitability of Injana Sandstone rocks for building Stone and Rail way ballast stone ̸ Ketol area ̸ Sulymania Governorate","authors":"","doi":"10.25130/tjps.v20i5.1246","DOIUrl":"https://doi.org/10.25130/tjps.v20i5.1246","url":null,"abstract":"The study aims to find the geotechnical properties and engineering geological evaluation of sandston rocks which belong to Injana Formation  ̸ Ketol area ̸ Sulymania  Governorate/formation L belong to Injana  ̸ and make a comparison with Iraqi standard and American society for testing and material (ASTM) specifications. In order to determine their Suitability for building purpose and rail way ballast stone by detailed geological survey of sandstone rocks and laboratory tests (6) station in  addition chemical analysis and mineral components. \u0000Petro physical test such as (Absorption, density) and Mechanical tests such as (Unconfined compressive strength, Flexural strength, Abrasion resistance) show these rocks are suitable as building stone according to (ASTM,C-568-99,2004).and suitable as rail way ballast stone according to Iraqi specifications (Raymond,1979) (O.R.B.D,1999).","PeriodicalId":23142,"journal":{"name":"Tikrit Journal of Pure Science","volume":"43 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84057091","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Role of Cystatin C and Galectin-3 in Cardiorenal Syndrome 半胱抑素C和半乳糖凝集素-3在心肾综合征中的作用
Tikrit Journal of Pure Science Pub Date : 2023-02-10 DOI: 10.25130/tjps.v20i4.1214
Nazar Ahemd Naji, Nagham Qasim Kazim
{"title":"The Role of Cystatin C and Galectin-3 in Cardiorenal Syndrome","authors":"Nazar Ahemd Naji, Nagham Qasim Kazim","doi":"10.25130/tjps.v20i4.1214","DOIUrl":"https://doi.org/10.25130/tjps.v20i4.1214","url":null,"abstract":"Acute heart disease patients often go on to develop worsening renal function,  termed as cardiorenal syndrome. The growing breadth of studies has shown the implications of combining multiple biomarkers to better chart outcomes between heart and kidneys, and produce desirable results in such patients,  as cystatin C and galectin-3 \u0000The aim: To estimate the levels of cystatin C and galectin-3,  and their relationship with cardiorenal syndrome. \u0000Methods: Cystatin C and galectin-3 were obtained from 144 samples: 50 sample with cardiorenal syndrome, 25 sample with heart disease, 25 sample with kidney disease and 44 normal healthy . \u0000Results: A highly significant increase (p<0.0001) in the levels of cystatin C in serum  of  patients with cardirenal syndrome, heart disease and kidney disease compared with normal individuals. A  highly significant (p<0.0001) increase in the serum levels of  galectin-3 in patients with cardirenal syndrome and patients with heart disease, significant increase in the serum levels of  galectin-3 and  in patients with kidney disease when compared with control group \u0000Conclusions: Cystatin C and galectin-3 have higher diagnostic validity values in the current study, which may be useful as a diagnostic tool to identify  recurrence of  the cardiorenal syndromes","PeriodicalId":23142,"journal":{"name":"Tikrit Journal of Pure Science","volume":"21 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83492379","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Characterization Study and Optical properties of (GA) Gum acacia /(MF)Melamine formaldehyde composites (GA)金合欢胶/(MF)三聚氰胺甲醛复合材料的表征及光学性能研究
Tikrit Journal of Pure Science Pub Date : 2023-02-10 DOI: 10.25130/tjps.v20i4.1224
{"title":"Characterization Study and Optical properties of (GA) Gum acacia /(MF)Melamine formaldehyde composites","authors":"","doi":"10.25130/tjps.v20i4.1224","DOIUrl":"https://doi.org/10.25130/tjps.v20i4.1224","url":null,"abstract":"In this research we fabricated new Thin films of (Gum acacia) polysaccharide , melamine formaldehyde and their blends were prepared using cast method .Optical absorption spectra of these thin films have been recorded  in the wavelength range (200-900)nm using UV-spectrophotometer. Optical band gap of the films has been calculated by using Taucs relation and variations in the values of optical band gap with the variation of concentration in the blend films have been found from (3.75-4.15) ev","PeriodicalId":23142,"journal":{"name":"Tikrit Journal of Pure Science","volume":"13 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78380976","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Geometry of concircular curvature tensor of Nearly Kahler manifold 近Kahler流形共圆曲率张量的几何
Tikrit Journal of Pure Science Pub Date : 2023-02-10 DOI: 10.25130/tjps.v20i4.1226
{"title":"Geometry of concircular curvature tensor of Nearly Kahler manifold","authors":"","doi":"10.25130/tjps.v20i4.1226","DOIUrl":"https://doi.org/10.25130/tjps.v20i4.1226","url":null,"abstract":"In this paper, we study the necessary condition where a nearly Kahler manifold of flat concircular tensor has been found.  And the relationship between these invariants and additional properties of symmetry concircular tensor, as well as geometrical sense of the reference (manipulation) in zero of these invariants are studied. \u0000Let M - smooth manifold of dimension 2n;  - algebra of smooth functions on M;  - the module of smooth vector fields on manifold of M; g = <·, > - Riemannian metrics; Ñ – Riemannian connection of the metrics g on M; d - the operator of exterior differentiation. In the  further all manifold, Tensor fields, etc. objects are assumed smooth a class .","PeriodicalId":23142,"journal":{"name":"Tikrit Journal of Pure Science","volume":"33 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75191143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study the Doping Effect of Lead(Pb) on the Optical Properties of Cadmium Sulfide (CdS) Thin Films. 研究铅(Pb)掺杂对硫化镉(cd)薄膜光学性能的影响。
Tikrit Journal of Pure Science Pub Date : 2023-02-10 DOI: 10.25130/tjps.v20i3.1203
Abdul-Majeed E.Ibrahim, Raid A.Ismail, Wattban N. Nada
{"title":"Study the Doping Effect of Lead(Pb) on the Optical Properties of Cadmium Sulfide (CdS) Thin Films.","authors":"Abdul-Majeed E.Ibrahim, Raid A.Ismail, Wattban N. Nada","doi":"10.25130/tjps.v20i3.1203","DOIUrl":"https://doi.org/10.25130/tjps.v20i3.1203","url":null,"abstract":"The optical properties of pure and doped  Cadmium Sulfide thin films have been stadied  in  the present work. Cadimum Sulfide can be doped by the Lead of (5%,10%,15%,20%) which prepared by chemical spray pyrolysis technique were deposited on (350ºC) glass substrates. The optical properties– Trasmittance (T), Absorbtance (A), Energy band gap (Eg), Absorption coefficient(α) and Extinction Coefficient (ko) - within wave length range (330-1100)nm. The cadmium sulfide (pure) thin flims were found to exhibit hight trnsmittance abute (82-86)%, the transmittance decreases with the increasing the doped ratio by the lead(Pb).The direct band gap energy of films decreases from (2.40eV) for the pure thin films to (2.35,2.31,2.25,2.19 eV) for  the doped by lead at (5%,10%,15%,20%).","PeriodicalId":23142,"journal":{"name":"Tikrit Journal of Pure Science","volume":"6 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88755376","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthesis a Number of Heterocyclic Compounds Derived From Levofloxacin 若干左氧氟沙星衍生杂环化合物的合成
Tikrit Journal of Pure Science Pub Date : 2023-02-10 DOI: 10.25130/tjps.v20i5.1244
Ekram Abdullah Basheer, Kalid Matny Al-jaanaby, Feras Shauki Al-joboury
{"title":"Synthesis a Number of Heterocyclic Compounds Derived From Levofloxacin","authors":"Ekram Abdullah Basheer, Kalid Matny Al-jaanaby, Feras Shauki Al-joboury","doi":"10.25130/tjps.v20i5.1244","DOIUrl":"https://doi.org/10.25130/tjps.v20i5.1244","url":null,"abstract":"In this paper, the preparation a number of heterocyclic compounds five membered rings like oxadiazole, imidazolidine, thiozolidine, tetrazole, azetidine 2-on. Hydrazide (1) was synthesized from the reaction of levofloxacin with hydrazine hydrate. Hydrazone compounds  (2-9) were synthesized from the  reaction (1) with a number of aldehydes, and 3-acetyl-1,3,4-oxadiazol (10-17) was prepared from the reaction of  hydrazones (2-9) with acetic anhydride, 5-oxo-2-aryl imadazoldine derivative (18-25) were prepared from the reaction of  hydrazone derivatives (2-9) with glycine, while the reaction of hydrazone with thioglygolic acid gave 4-oxo-2-aryl-thiozolidine (26-33),tetrazole derivative(34-41)prepared from the reaction of hydrazone(2-9) with sodium azide in tetrahyro furan.azetidine-2-on(42-49)with chloro acetyl chloride in DMF and and in the presence of triethyl amine  these compounds were characterized on bases of spectral and physical data.","PeriodicalId":23142,"journal":{"name":"Tikrit Journal of Pure Science","volume":"25 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91540825","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Biological effect of alcohol extracts for oils of Cypress Cupressus sempervirens L. in the life performance of southern cowpea beetle Callosobruchus maculatus F. (Coleoptera:Chrysomelidae). 柏油醇提物对南豇豆甲虫(鞘翅目:金龟科)生命性能的生物学影响。
Tikrit Journal of Pure Science Pub Date : 2023-02-10 DOI: 10.25130/tjps.v20i3.1181
Adil. A. Hayder
{"title":"Biological effect of alcohol extracts for oils of Cypress Cupressus sempervirens L. in the life performance of southern cowpea beetle Callosobruchus maculatus F. (Coleoptera:Chrysomelidae).","authors":"Adil. A. Hayder","doi":"10.25130/tjps.v20i3.1181","DOIUrl":"https://doi.org/10.25130/tjps.v20i3.1181","url":null,"abstract":"The effect of alcohol extracts twigs and cones (male and female) Cypress lime oils on different phases of southern cowpea beetle Callosobruchus maculatus F. (Coleoptera:Chrysomelidae) was carried out. The results showed the efficiency of both oils with significant effects on immature stages and adult emergence.      \u0000The Cypress cones extract oil was more effective than twigs oil extracts in activity in all treatments numbers. The rates of productivity and first generation (F1) reduction reached 34.96% and 87.22% respectively at 1.5% concentration compare with Cypress twigs oil extracts which reached 66.22% and 81.58% respectively. The all oil concentrations that used in this study did not all effect on the germination rates ranged between 80.00- 90.00% The superiority of the alcoholic extract oil cones cypress lime to reduce the percentage of the damage amounted to 31.11% as compared to alcohol oil extracts of its twigs and control treatment, which amounted to 44.66% and 99.66 - 99.33%, respectively and found significant differences in the ratios in the attraction and repellency responses. The Cypress twigs oil in different concentrations showed a superior repellency effect on insect. The highest average of  individuals repellency reached  7.00 and 8.00 rates  70.00 and 80.00% with attractant rates13.30 and 20.30 % as it balance rates reached -33.00 and -60.00% after 15 and 30 minutes of treating reached maximum at 1.5%, while Cypress cones oil showed significant attractant effect, the concentration 1.5% recorded highest rates of attractant, the average of  individuals attractant reached 5.00 and 7.66% rates  50.00 and 76.60% and repellent rates 13.30 and 16.60% as it balance rates reached + 36.67 and + 60.00 % after 15 and 30 minutes of treating  .                                                                                              ","PeriodicalId":23142,"journal":{"name":"Tikrit Journal of Pure Science","volume":"51 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84646247","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Variation of the Bulk Etch Rate of Nuclear Track Detector CR-39 With the Chemical Etchant Solution Normality CR-39核径迹探测器体腐蚀速率随化学腐蚀溶液正态性的变化
Tikrit Journal of Pure Science Pub Date : 2023-02-10 DOI: 10.25130/tjps.v20i5.1250
Ahmed A. Al-obedy, Ammar A. AL-Battawy, Omar K. Younus
{"title":"Variation of the Bulk Etch Rate of Nuclear Track Detector CR-39 With the Chemical Etchant Solution Normality","authors":"Ahmed A. Al-obedy, Ammar A. AL-Battawy, Omar K. Younus","doi":"10.25130/tjps.v20i5.1250","DOIUrl":"https://doi.org/10.25130/tjps.v20i5.1250","url":null,"abstract":"The variation of the bulk etch rate (VB) of nuclear track detector CR-39 with the normality of the chemical etchant were studied. The removal thickness measurement method is used to determine the bulk etch rate. the detectors were etched by an aqueous solution of  NaOH with normalities (4, 5, 6, 7) N at temperature (70±1) oC. It was found that the bulk etch rate is exponentially increasing with the normality of the solution and its values are (0.687, 1.421, 0.954, 2.082) µm/h at normalities (4, 5, 6, 7) N respectively. the relation between the bulk etch rate and the etchant normality was an exponential relation and the results showed good agreement with the results of the others used other normalities and another measurement method.   \u0000 ","PeriodicalId":23142,"journal":{"name":"Tikrit Journal of Pure Science","volume":"8 8 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83611108","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
ON bi- INTUITIONSTIC TOPOLOGICAL SPACE 关于双直觉拓扑空间
Tikrit Journal of Pure Science Pub Date : 2023-02-10 DOI: 10.25130/tjps.v20i4.1225
Taha H. Jassim, Zenah T. Abdulqader, Hiba O. Mousa
{"title":"ON bi- INTUITIONSTIC TOPOLOGICAL SPACE","authors":"Taha H. Jassim, Zenah T. Abdulqader, Hiba O. Mousa","doi":"10.25130/tjps.v20i4.1225","DOIUrl":"https://doi.org/10.25130/tjps.v20i4.1225","url":null,"abstract":"In this paper we introduce a new definition is called bi- intuitionistic topological space and from this concept we present some kinds of closed set (semi –closed, pre-closed ,β-closed ,α-closed) setes in bi- intuitionistic topological space, define generalized closed set (sg-closed ,gs-closed ,gp-closed, gα-closed , αg- closed , gβ-closed) sets in bi - intuitionistic topological space and give relationship among them , we introduce the definition of Tgs-space in bi- intuitionistic topological space and  from  this consept we get new results","PeriodicalId":23142,"journal":{"name":"Tikrit Journal of Pure Science","volume":"32 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89322599","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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