نتایج جستجو برای: duration time of 20 min
تعداد نتایج: 21344957 فیلتر نتایج به سال:
Background andpurpose:Currently, leachate production and its management are major environmental problems associated with the operation of solid waste landfill. The aim of this study was to evaluate the efficiency of combined processes of coagulation, ozonation, and advanced oxidation using UV-activated oxone in treatment of landfill leachate of Zahedan, Iran. Materials andmethods: This exper...
The mechanisms by which PM(2.5) increases cardiovascular mortality are not fully identified. Autonomic alterations are the current main hypotheses. Our objective was to determine if PM(2.5) induces acute cardiac polarization alterations in healthy Wistar rats. PM(2.5) samples were collected on polycarbonate filters. Solutions containing 10, 20, and 50 microg PM(2.5) were administered by trachea...
BACKGROUND Chronobiology studies the recurrent biologic rhythms that directly affect how an organism interacts with its environment and how its environment affects the organism. The purpose of this study is to determine whether the time of administration influences the analgesic duration of the commonly used subarachnoid fentanyl for labor analgesia. METHODS After institutional review board a...
the poor orientation of the restaurants toward the information technology has yet many unsolved issues in regards to the customers. one of these problems which lead the appeal list of later, and have a negative impact on the prestige of the restaurant is the case when the later does not respond on time to the customers’ needs, and which causes their dissatisfaction. this issue is really sensiti...
the effects of different stages of maturity (mature green, until 20 to 40% of change in color), two treatments of cool water (5 ?c for 5' and 10 ?c for 15min.), two treatments of hot water (50 ?c for 15 min. and 55 ?c for 5 min.) ), two temperatures (10 and 14 °c) of storage vs. six time periods (0, 5, 10, 15, 20 and 25 days) on shelf life and storage time of ‘langra’ mango fruit were stud...
this talk reviews the following topics, fenestration (dry needling); barbotage; prp injection; elastography; ultrasound versus mri.
BACKGROUND Dexmedetomidine is an α-2-receptor agonist which might be used as an additive to local anaesthetics for various regional anaesthetic techniques. We therefore designed this prospective, double-blinded, controlled volunteer study to investigate the effects of dexmedetomidine as an adjuvant to ropivacaine on peripheral nerve block. METHODS Ultrasound-guided ulnar nerve block (UNB) was...
The aim of the present study was to determine whether the addition of dexamethasone (DEX) or epinephrine to lidocaine (LID) altered the characteristics of anesthesia and cardiorespiratory variables following caudal epidural application in cows. Twenty adult dairy cows were randomly assigned to receive one of the treatments of LID (0.2 mg/kg), DEX (8 mg), lidocaine-dexamethasone (LIDEX; 0.2 mg/k...
if the precise implementation of the principle of proportion and:balance between the violation and the penalty as well as the other dimensions could be considered as a stick yard for the imptementation of justice any lack of preciseness in carrying out such principle would not indeed be much too far from injustice . naturally ,if it would be imagined that the objective of balance between...
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