1,101 research outputs found

    The Saudi Judge\u27s Discretion in Liquidated Damage Clauses: An Applied Analytical Study in Light of Islamic Sharia Law

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    This dissertation studies the treatment by Saudi judges under Islamic Sharia law of liquidated damages clauses in contracts, a critical part of modern commercial transactions. After introducing the basic and secondary sources of Islamic law and discussing the current treatment of the liquidated damages clause by Saudi judges according to general Islamic rules and the four jurisprudence schools, this dissertation demonstrates that Saudi judges have broad discretion in applying jurisprudence rules, particularly Hanbali jurisprudence, the applicable jurisprudence in the Saudi courts. Numerous interpretations of the same jurisprudential rule exist, resulting in multiple judicial rulings for the same jurisprudential rule. Among factors affecting the judicial rulings are the impact of the judge’s cultural and social background, the judge’s tendency not to rule on moral compensation, and his strictness in scrutinizing and recognizing the evidence of damages when ruling on compensation in general and in cases of the liquidated damages clause in particular, and the scarcity of ruling compensation for future damages along with the role that the Saudi judge plays in selecting applicable legal rules. This dissertation presents a survey and field study of Saudi judges’ positions on the liquidated damages clause and contains it in contracts. The survey indicates that the Saudi judge has broad discretion when considering the liquidated damages clause. There are differences among the judges with regard to the liquidated damages clause depending on the type of contract included in it. The Saudi judge applies the theoretical aspects of legal texts and jurisprudence rules to the facts and practical issues related to the liquidated damages clause influenced by fatwa. In response, this dissertation considers several possible solutions. These include codifying jurisprudence provisions; notating judicial rulings; and requiring Saudi judges to apply them, particularly in cases of the liquidated damages clause; issuing judicial journals and notations to increase transparency; and documenting contracts that include the liquidated damages clause to make them binding without the need for a court ruling. Finally, the dissertation propose recommendations that, if endorsed by the Kingdom’s judicial authorities, will help limit the judge’s discretionary authority and facilitate judgment in estimating the liquidated damages clause as agreed upon by the contracting parties. These include codifying the provisions of Islamic jurisprudence in the form of sequenced, arranged legal articles and provisions related to contracts and the conditions they contain, including the liquidated damages clause. The importance of establishing judicial principles or a legislative code becomes apparent in terms of the main mechanism for how a judge exercises his discretion when dealing with a vague legal text or rule that requires interpretation or contradicts another rule or principle. It is important to emphasize parties’ responsibilities to state the functionality of the liquidated damages clause in the contract, to continue the notation of judicial rulings and publishing, and expand notarized contracts that include the liquidated damages clause as an executive document to limit the discretionary authority of judges when considering what the parties have agreed upon

    A Model Reference Adaptive Control Scheme with External Controllers

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    A new model reference adaptive control scheme, suitable for linear multivariable discrete time systems, is proposed. A set of parameter adaptation algorithms are developed based on the validity of perfect matching between the model and the plant, and on the availability of complete state vector. Arrangements for linear state error feedback, and time varying adaptive loop gains are made in the proposed scheme. It is shown that the scheme with such arrangements offers increased rate of decay of adaptive system errors towards the origin of the error space. A problem of on-line matrix inversion, encountered in implementing the proposed adaptation algorithms, is solved by modifying the structure of one of the adaptive controllers

    Effect of tail docking in Awassi lambs on metabolizable energy requirements and chemical composition of carcasses

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    The effect of tail docking on metabolizable energy requirements and carcass characteristics was studied using 80 weaned entire Awassi male lambs. Docking was performed within 3 days of birth and lambs were weaned at 90 days old. Docked and undocked lambs were randomly allocated to four groups, individually penned and offered different amounts of a pelleted concentrate diet. The pelleted diet was estimated to contain 11.8 MJ of metabolizable energy (ME) and 182 g of crude protein (CP) per kg dry matter (DM). Lambs on the high levels of intake were slaughtered at a target weight of approximately 45 kg. Other lambs were maintained on the diet for 149 days before being slaughtered. The right sides of all carcasses were cut into standardized commercial cuts then dissected into muscle, fat and bone. The soft tissue was pooled and analysed for DM, CP, ash and fat. Prediction of live-weight gain (LWG) and empty body gain for a given ME intake (MEI) was made using the growth and MEI data. MEI was expressed as MJ per kg metabolic body weight (M 0.75) per day. Tail docking had no effect (P> 0.05) on lamb growth from birth to weaning. During the post-weaning growth period, LWG and empty body gain were significantly higher (P 0.05) at high levels of intakes (between 0.74 and 1.1 MJ/kg M 0.75 per day). Hot and cold carcass weights were similar (P > 0.05) for the two groups. Differences in empty body weight and fleece-free empty body weight were significant (P 0.05) on food conversion efficiency (FCE). Carcasses from docked lambs had significantly lower (P 0.05) ash content

    Selective outcome reporting in randomised controlled trials including participants with stroke or transient ischaemic attack:A systematic review

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    IntroductionThe prevalence of outcome reporting bias (ORB, i.e. selective reporting according to the results observed) across primary outcomes in randomised controlled trials (RCTs) including participants with stroke or transient ischaemic attack (TIA) is unknown.Materials and methodsWe searched the Cochrane Database of Systematic Reviews on 3 February 2021 for reviews published 2008-2020 with at least one RCT of a therapeutic intervention, for participants with stroke or TIA, and a safety or efficacy outcome. We took a random sample of these RCTs and included those with a trial registry record or protocol published before reporting results. Two reviewers assessed discrepancies in outcome reporting across the trial registry record, protocol, statistical analysis plan, and publication for each RCT, using the classification system designed by the Outcome Reporting Bias in Trials group.ResultsOf 600 RCTs, we identified a trial registry record in 120 (20%), a protocol in 28 (5%), and a statistical analysis plan in 5 (1%) with 123 (21%) distinct RCTs being eligible for assessment: 110 (89%, 95% CI 83-94) were at no risk, 7 (6%, 95% CI 3-11) RCTs were at low risk, and 6 (5%, 95% CI 2-10) were at high risk of ORB.DiscussionThe prevalence of ORB in primary outcomes was low in stroke/TIA RCTs that were included in Cochrane reviews and had an identifiable trial registry record or protocol. Concerningly, we were unable to identify a trial registry record or protocol in most of our sample.ConclusionWork is needed to further reduce ORB in stroke/TIA RCTs and explore the generalisability of these findings to RCTs outside of Cochrane reviews or without a registry record or protocol, as well as to secondary outcomes

    First occurrence of the ant genus Brachymyrmex Mayr, 1868 (Hymenoptera: Formicidae) from the Kingdom of Saudi Arabia

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    The formicine ant genus Brachymyrmex Mayr, 1868 is recorded for the first time from the Kingdom of Saudi Arabia and from the Arabian Peninsula by the species B. cordemoyi Forel, 1895. A brief description and automontage images of the species are presented with ecological and biological notes

    Association Between Beta-Blocker or Statin Drug Use and the Risk of Hemorrhage From Cerebral Cavernous Malformations

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    BACKGROUND: We aimed to determine the association between beta-blocker or statin drug use and the future risk of symptomatic intracranial hemorrhage or persistent/progressive focal neurological deficit from cerebral cavernous malformations (CCM). METHODS: The population-based Scottish Audit of Intracranial Vascular Malformations prospectively identified adults resident in Scotland first diagnosed with CCM during 1999 to 2003 or 2006 to 2010. We compared the association between beta-blocker or statin drug use after first presentation and the occurrence of new intracranial hemorrhage or persistent/progressive focal neurological deficit due to CCM for up to 15 years of prospective follow-up. We confirmed proportional hazards and used survival analysis with multivariable adjustment for age, intracranial hemorrhage at CCM presentation, and brain stem CCM location. RESULTS: Sixty-three (21%) of 300 adults used beta-blockers (27/63 [43%] used propranolol), and 73 (24%) used statin drugs over 3634 person-years of follow-up. At baseline, the only statistically significant imbalances in prespecified potential confounders were age by statin use and intracranial hemorrhage at presentation by beta-blocker use. Beta-blocker use was associated with a lower risk of new intracranial hemorrhage or persistent/progressive focal neurological deficit (adjusted hazard ratio, 0.09 [95% CI, 0.01–0.66]; P=0.018). Statin use was associated with a nonsignificant lower risk of intracranial hemorrhage or persistent/progressive focal neurological deficit (adjusted hazard ratio, 0.37 [95% CI, 0.01–1.07]; P=0.067). CONCLUSIONS: Beta-blocker, but not statin, use was associated with a lower risk of intracranial hemorrhage or persistent/progressive focal neurological deficit in patients with CCM

    Chronic ulcerative Cutaneous Vasculitis of the legs Clinical and histopathological study

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    Background: Cutaneous small vessel vasculitis characterized by necrosis and inflammation of upper dermal blood vessels. It presents with ulcers and systemic manifestations after extensive acute onset. Many patients have a form of cutaneous vasculitis that presents with chronic painful ulcerations & purpuras involving the ankles without systemic manifestations, with some similarity in clinical presentation to livedoid vasculopathy. Patients and Methods: Thirteen patients were seen in the Department of Dermatology and Venereology, Baghdad Teaching Hospital, for a period extending from January 2004 to March 2005. They were evaluated clinically, histopathologically and other laboratory studies. In addition, evaluation of the clinical response to prednisolone 0.5mg/kg/day and azathioprine150mg/day was done. Results: Thirteen patients were included in this study; eight females and five males, with male to female ratio of 1:1.6. Their ages ranged between 26-66 years with a mean ±SD of 42 ± 13.8 years. The duration of the disease ranged from 0.5 – 18 years with a mean ±SD of 38 ± 59.2 months.The clinical examination revealed multiple oval punched out ulcers, with an indurated base, and surrounded by a zone of erythema; affecting mainly the ankles and dorsa of feet. Histopathological evaluation showed upper dermal vessels' wall necrosis, fibrinoid deposition, obliteration of the lumen, extravasation of red blood cells, endothelial cells swelling with perivascular and vascular wall infiltration mainly by mononuclear cells.The treatment was started with prednisolone & azathioprine. The ulcers healed completely with residual hyperpigmentation - hypopigmentation, atrophy and scars within 10-15 weeks  Conclusions: Chronic ulcerative cutaneous vasculitis is often a neglected and misdiagnosed variant of vasulitis. Histologically it has vascuiltic features, and clinically looks like livedoid vasculopathy

    Role of anti-inflammatory interleukin 10 in asymptomatic heartworm infection (Dirofilariasis) in dogs

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    Background: Dirofilaria immitis causes heartworm disease (HWD), a vector-borne zoonotic disease that primarily affects dogs and cats. Occasionally, human beings were reported to be infected as well. The current study aims to discover the asymptomatic dirofilariasis infection in dogs. In addition, to determine the prevalence of heartworm disease and the role of anti-inflammatory interleukin 10 (IL10) in developing the disease. Household dogs were selected from 10 veterinary clinics throughout Basrah, south of Iraq.Methods: The study included 117 dogs older than 12 months, none of them had received heartworm vaccinations, and all of them lived in their owners’ houses for at least 9 months. Animal ethics instructions were followed after the owner’s consent was obtained.  Physical and biochemical examinations were conducted including the examination of circulating antigens of microfilaria. The levels of anti-inflammatory IL10 and pro-inflammatory IL17, IL4, and IFN-γ were measured using ELISA tests. Descriptive statistics were used to evaluate the prevalence and the clinical and immunological results of the study.Results: Canine heartworm disease prevalence was 29.05% (34 out of 117). The physical examination showed normal vital signs for both infected and non-infected dogs. A significant elevation in the total WBC count was noticed in the infected group.  On the other hand, a significant decrease in RBCs count and hemoglobin was found in the infected group. There were neither changes in the platelet count nor the liver enzymes concentration between infected and non-infected groups.  A significant increase in anti-inflammatory interleukin 10 level and a significant decrease in pro-inflammatory IL17, IL4, and IFN-γ were noticed in the infected dogs. Conclusion: It is concluded that dirofilariasis infection is considered to be a serious life-threatening disease for dogs in Iraq. Therefore, a periodic test for heartworm infection every six months is recommended to eradicate heartworm infestations. The infected animals must be treated according to the American Heartworm Association recommendations
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