Nadra Kareem Nittle - ThoughtCo

Making Decisions For An Organization - 903 Words

Making decisions is a much more complex process than just trying to figure out whether to do something or not. It often requires more than just a â€Å"Yes† or â€Å"No† answer. The right choices are crucial to an organization in order to address important issues and to produce positive outcomes. Often time’s smaller decisions help figure out the bigger picture. For instance, in the movie The Insider Wigand had to decide whether becoming a whistleblower was worth the threat to himself and his family. Ultimately by the time the movie begins, NBC producer and journalist Lowell Bergman had already made up his mind to expose Brown Williamson. Unfortunately, even he wasn’t prepared for the consequences that followed him and Jeffrey’s decisions. The level of risk taken to challenge big tobacco came with a hefty price for Wigand. The first step in decision making is realizing there is a problem. Wigand came to recognize this in his first meeting with Bergman. Although he decided at that time not to help Bergman with the interview, he was introduced to the problem none the less. By the time the two met again, Wigand had processed the information and begin to seek out more information. He did this by meeting with Bergman and asking a lot of questions. The book suggests Incrementalism decisions require smaller choices made in response to short-term conditions. In Wigand’s case, he made small choices as he went along and as more information was revealed. Therefor his choice not to go alongShow MoreRelatedThe Decision Making Of An Organization1367 Words   |  6 PagesThe Decision making Continuum- One of the manager’s most important jobs is to determine the outcome for a task. He has to decide on goals and provide assignments for employees to complete. However, it is just as important for the manager to be clear about how decisions related to these goals will be made. In leadership and management theory, decision making power can be examined using a visual model called the decision making continuum or the Tannenbaum and Schmidt continuum. This model shows howRead MoreThe Decision Making Of An Organization1367 Words   |  6 PagesThe Decision making Continuum- One of the manager’s most important jobs is to determine the outcome for a task. He has to decide on goals and provide assignments for employees to complete. However, it is just as important for the manager to be clear about how decisions related to these goals will be made. In leadership and management theory, decision making power can be examined using a visual model called the decision making continuum or the Tannenbaum and Schmidt continuum. This model shows howRead MoreDecision Making Of An Organization2339 Words   |  10 PagesDecision making in an organization can be a positive strength that can be used individually and in-group situations. 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In comparison amongst all organizations, healthcare stakeholders play a key integral part because of regulations. Health care is highly regulated and policy driven and the right personnel in your corner can go a long

Problem Statement Scope And Limitation Engineering Essay Free Essays

string(126) " optical detector used 230 nanometer to 400nm wavelength which is ultraviolet B \( UVB \) which is harmful to human tegument\." In this research ZnO thin movie will be doped with aluminum utilizing sol-gel spin-coating method. Then the Al-doped ZnO thin movie ( as seed accelerator ) on a glass substrate will be so superimposed underside of an aligned ZnO nanorod construction which was prepared utilizing sonicated sol-gel submergence technique. The nanorod thin movie parametric quantities will be qualifying through its I-V curve features and besides the optical and optical density of aligned ZnO nanorod thin movie. We will write a custom essay sample on Problem Statement Scope And Limitation Engineering Essay or any similar topic only for you Order Now Introduction 1.2.1 Background survey UV detector or bases for UV detector are of import devices that can be used in commercial and military applications. The applications are including gas detection, infinite research, high temperature fire sensing, air quality monitoring and many more. UV sensors presently used silicon-based sensors and photomultiplier tubings. These stuffs require dearly-won filters and attenuators. However by replacing those engineerings with broad band-gap semiconducting materials such as Zn oxide ( ZnO ) have been suggested [ 1 ] . UV light breathing or having devices, solar cells, gas detector and transparent electrodes are some of the Zn oxide applications. Assorted deposition methods such as chemical vapour deposition, sputtering and molecular beam epitaxy were used to manufacture ZnO thin movies. However, these deposition methods are high production cost because required high temperature processing and vacuity engineering [ 2 ] . In this paper, the intent of this research is to manufacture UV detector utilizing zinc oxide thin movie and qualify the detector public presentations by its electrical belongingss. Furthermore, this research is to qualify aluminium doping concentration and the nanostructure of Zn oxide thin movie. In this research, sol-gel spin surfacing method was used to fix Al doped zinc oxide thin movie and an aligned ZnO nanorod structured thin movies on a glass substrate by the sonicated sol-gel submergence method. 1.2.2 Literature Review ZnO is an n-type semiconducting material with a direct set spread of 3.42eV and because of the O vacancies and intrinsic defects such as interstitial Zn atoms, the electrical conduction of the movies is big [ 3 ] . It is really good stuff for electronic device application due to its broad set spread and big exciton adhering energy of 60meV [ 4 ] . The belongingss of ZnO thin movie can be improve by a doping procedure and tempering procedure [ 3 ] . There are that focal point on the doping procedure. To improved electrical or optical belongingss of ZnO, ZnO were often doped with group 3, 4 and 5 elements such as Gallium ( Ga ) , Sn and Aluminium ( Al ) [ 5 ] . Al doping is most suited because it ‘s inexpensive, abundant and non-toxic stuff and will bring forth Al doped ZnO thin movie with higher optical transmission and low electric resistance in infrared part [ 4 ] . From the diary [ 6 ] , radio-frequency ( RF ) reactive magnetron sputtering method was used to lodge Al-doped ZnO on the smooth nucleation side of FSD movies by. The electrical belongingss were discussed. The first negatron concentration increased and following decreased with the addition of Al doping concentration. The maximal bearer concentration achieve when the movie is doped with 2at % Al. Hall mobility is reciprocally relative to the Al doping concentration. The high temperature tempering procedure is use to heighten the Hall mobility of the movies [ 6 ] . From the diary [ 7 ] , ZnO thin movies with assorted weight per centums of aluminum and the electrical belongingss were discussed utilizing sol-gel dip-coating method. The conduction shows higher response of the doped ZnO thin movies under UV compared with dark status. Both status cogent evidence that the conduction of ZnO is straight relative to doping concentration. The optical set spread energy is besides straight relative with doping concentration. The transmission of ZnO thin movies is about 75 % when wavelength from 390nm to 850nm. From the diary [ 8 ] , at different dopant concentration the electrical belongingss of Al-doped ZnO thin movies were discussed utilizing sol-gel method. The opposition first lessening with addition aluminum ion concentration. Then the opposition of doped thin movies increased with increasing dopant concentration and it decreases at higher Al concentration. The transmission of ZnO thin movies is about 80 % when wavelength from 370nm to 850nm. The advantage of Ga is an first-class dopant for increasing the conduction and this beginning is less reactive and more resistive oxidization. Based on the diary [ 5 ] , Ga-doped ZnO nanowires were growing utilizing thermic deposition method. The ZnO nanowires have grown uniformly with high output and mean length of each nanowire is about 1.3um. From the XRD form, it can be deduced that the Ga component doped into the nanowires creates a clear widening. The Ga-doped ZnO nanowires have a greater field-enhancement factor than the undoped ZnO nanowires [ 5 ] . Aqueous solution procedure with post-growth rapid photothermal processing ( RPP ) was used to fix Sn-doped ZnO nanorods to develop aligned Sn-doped ZnO nanostructure. Aqueous solution method was chosen in readying of metal oxide nanoparticles construction due to its cost and environment friendly. Rapid photothermal processing ( RPP ) as an options of thermic tempering was combine with aqueous solution due to short rhythm clip, reduced exposure and flexibleness [ 9 ] . Based on diaries [ 6 ] , [ 7 ] and [ 8 ] , the optimal doping concentration of aluminum is 2at % , 5at % and 1.5at % severally. Optimal aluminum doping concentration will gives extremely semiconducting belongingss of Al-doped ZnO thin movie for application UV detector [ 4 ] . A research had done on assorted Al doping concentration and the optimal doping concentration is at 1at % Al. This research will used 1at % Al concentration based on journal [ 4 ] . Aligned ZnO nanorods that were prepared utilizing sonication method are a simple manner and really low cost method compared to other techniques. It besides will growing high quality ZnO nanorod with a little diameter size [ 10 ] . 1.2.3 Problem Statement, Scope and Limitation Most people are cognizant of the effects of UV through the painful status of tan, but the UV spectrum has many other effects whether its benefits or damaging to human wellness. Excessively much exposure to UV radiation can impact human wellness. UV application for optical detector used 230 nanometer to 400nm wavelength which is ultraviolet B ( UVB ) which is harmful to human tegument. You read "Problem Statement Scope And Limitation Engineering Essay" in category "Essay examples" Since it is harmful to human tegument, metal oxide semiconducting material movies have been considered due to its first-class chemical and physical belongingss. One of them is zinc oxide stuff. Zinc oxide is non merely good in optoelectronic but besides in electrical belongingss. Zinc oxide is so will be doped with aluminum to heighten the Zn oxide thin movie belongingss by utilizing sol-gel spin-coating method. It is of import to take the right method for fixing aligned ZnO nanorod. The range of this resear ch is to look into the electrical belongingss ( I-V feature ) and the optical belongingss of the ZnO nanorod thin movie at different submergence clip. The restrictions of this research are on the solution readying and deposition status which are different for different groups and on the hole parametric quantity. 1.2.4 Significant of the research The nanomaterials based detectors are raising the advantage of size decrease and enhanced functionality [ 12 ] . This research will used a simple method to fix an aligned ZnO nanorod thin movie which is sol-gel submergence method which is this method has non been reported by any research group. Furthermore it is really low-priced method. 1.2.5 Aims To fix Al-doped ZnO thin movie as seed accelerator bed. To fix aligned ZnO nanorod thin movie at different submergence clip. To manufacture aligned ZnO nanorod thin movie based UV photoconductive detector. To qualify fancied UV detector. 1.2.6 Research Questions To accomplish the aim of this research, some research inquiries would necessitate to concentrate on which are: What is the I-V curve feature of aligned ZnO nanorod thin movies before and after exposing to the UV light? What is the optical and absorbance feature of aligned ZnO nanorod thin movies? How to manufacture ZnO thin movie? What is the factor impacting the nanostructure ZnO thin movie before and after exposing to the UV light? Chapter 2 2.1 Research Methodology 2.1.1 Al doped ZnO thin movies Sol-gel spin-coating method was used to fix Al doped ZnO thin movies. The solution include Zn ethanoate dihydrate ( Zn ( CH3COO ) 2 2H2O ) as precursor, aluminum nitrate nonahydrate ( Al ( NO3 ) 3 9H2O ) as a dopant beginning, monoethanolamine ( MEA, C2H7N14 ) as a stabilizer and 2-methoxyethanol as a dissolver were prepared. The concentration of aluminum nitrate was 1.0at % Al doping and the molar ratio of MEA to zinc ethanoate was fixed at 1.0. At 3 hours before aged at room temperature for 24hours to give clear and homogenous solutions the solution was stirred at 80 A ; deg ; C. The solutions were so used for deposition procedure by spin-coating technique. Substrates used were microscope on the glass substrates. At room temperature, the spin-coating was performed utilizing 10 beads of solution per deposition with a velocity of 3000rpm for 60s. The movies were preheated in atmosphere ambient at 150 A ; deg ; C for 10 proceedingss to vaporize the solvent each clip after deposition procedure. The movies were annealed at 500 A ; deg ; C for 1 hr in air ambient utilizing a furnace ( Protherm ) after reiterating the coating process 10 times. The crystal construction and orientation of ZnO thin movies were investigated by X-ray diffractometer ( XRD ) . The cross-section of the movie thickness is observed by utilizing scanning negatron microscope ( SEM ) . By utilizing UV-vis-NIR spectrophotometer, the optical belongingss of ZnO thin movies were measured in the wavelength scope from 200 nanometers to 1500nm. The electrical belongingss were measured by District of Columbia examining system [ 4 ] . Start Fix the solution of Zn oxide Precursor: Zn ethanoate dehydrate Stabilizer: monoethanolamine Dopant beginning: aluminum nitrate nonahydrate Solvent: 2-methoxyethanol Heat and stir the solution Temperature: 80 A ; deg ; C Time: 3hr Solution stirring and aging Temperature: room temperature Time: 24hr Thin movie deposition utilizing spin-coating tech. Speed: 3000rpm Time: 60s Temperature: room temperature Solution: 10 beads of solution per deposition Thin movie drying Temperature: 150 A ; deg ; C Time: 10min Repeat 10 times Thin movie tempering Temperature: 500 A ; deg ; C Time: 1hr End 2.1.2 Aligned ZnO nanorod construction An aligned ZnO nanorod construction was prepared utilizing the sonicated sol-gel submergence method on a glass substrate coated with a ZnO thin movie that had been doped with 1at % Al. The sol-gel coating method was used to fix the Al-doped ZnO thin movie as a seeded accelerator that was prepared on the glass substrate. A solution was prepared of 0.1M Zn nitrate hexahydrate ( Zn ( NO3 ) 2.6H2O ) and 0.1M hexamethylenetetramine ( HMT, H2NCH2CH2OH ) in deionized H2O ( DI ) . At 50 A ; deg ; C for 30 proceedingss utilizing an supersonic H2O bath, this solution was sonicated. The solution was so aged and stirred for 3 hours at room temperature. The sonicated and elderly solution was poured into a Schott bottle, at the underside which had been placed the horizontal Al-doped ZnO thin movie coated glass substrate. The capped bottle was so immersed in a 95 A ; deg ; C H2O bath for 4 hours. After the submergence procedure, the sample was cleaned with DI H2O and allowed to dry in ambient air . By utilizing field emanation scanning electron microscope ( FESEM ) and X-ray diffraction ( XRD ) , the ensuing ZnO nanorod construction was characterized for surface morphology and crystallinity. The optical transmission and optical density belongingss of the sample were characterized by UV-vis-NIR spectrophotometer [ 10 ] . Start Fix the solution in deionized H2O 0.1M Zn nitrate hexahydrate 0.1M hexamethylenetetramine Sonicated solution utilizing an supersonic H2O bath Temperature: 50 A ; deg ; C Time: 30min Solution stirring and aging Temperature: room temperature Time: 3hr Placed the horizontal Al-doped ZnO thin movie coated glass substrate at the bottom Schott bottle. Poured sonicated and aged solution Submergence procedure Temperature: 95 A ; deg ; C H2O bath Time: 4hr Clean with DI H2O and dry in ambient air Nanorod construction word picture Electrical belongingss Optical belongingss End Chapter 3 3.1 Decision The electrical belongingss of ZnO thin movie improved when ZnO thin movie was doped with aluminum. Optimum aluminum doping concentration will gives extremely semiconducting belongingss of Al-doped ZnO thin movie for application UV detector. It is of import to happen low cost method. The ZnO nanorods have an mean diameter of 100nm. An mean optical transmission of 78 % was observed. The electrical belongingss and optical belongingss of an aligned ZnO nanorod thin movie were affected when changing the submergence clip. High grade of crystalline, big surface country handiness, a seeable wavelength transparence and high UV soaking up belongingss, this method show it ‘s suited for UV detector application. How to cite Problem Statement Scope And Limitation Engineering Essay, Essay examples

Corporations Act Business of AGM

Question: Discuss about the Corporations Act for Business of AGM. Answer: Introduction: Section 198A of the Corporations Act explains the provisions which discusses about the Power of Directors. A company is managed by the Directors of the company. For running the company it is very important that the Directors must have certain powers and authorities. So the business of the company is managed by or is under the direction of Directors. Directors have the right to exercise its powers except the powers which can only be exercised in general meeting. There are situations where directors want to issue shares or borrow money or even issue debentures. In such situations approval is required in general meeting. Directors alone cannot decide that they want to issue certain no of shares or debentures. Directors have the power to even remove the managing director of the company by passing a special resolution. If Directors are not having any powers then it is difficult for the company to run the business. Most of the crucial decisions of the company are mainly decided by the Dire ctors in the Board Meeting of the company. There is a provision in which directors alas need to rotate and retire. A single director has all the rights which are available to all the other directors.(austlii.edu.au, 2016) Section 191 of the Corporations Act explains the situations where directors needs to disclose their duties. Whenever there is any conflict on any matter then directors duty needs to be notified to other directors. In a company there will be many situations when there is a conflict between two or more persons then this section helps to resolve those conflicts. If a director has a material personal interest then it has to be related to the affairs of the company. The notice which is to be given by the director must include the nature and extent of the interest and also explains the relation of the interest to the affairs of the company. If this section is contravened by any of the directors then it will not affect validity of any act, agreement, transaction, instrument, resolution or any other thing. This section will mostly apply to all the companies except a proprietary company which is having only 1 director. The provisions of this section helps the company to resolve issues wheneve r there is a conflict and when a director is having material personal interest in the affairs of the company. Hence, under such situations this section needs to be applied.(austlii.edu.au, 2016) Section 250 R of the Corporations Act discusses about the Annual General Meeting. this section let us know about the business of an AGM. It tells us about which of the elements should be included in the business of AGM. It helps to know that procedure of all the transactions which are going to be discussed in the AGM. The points which should be included in the business of AGM are like the consideration of the annual report, the whole process about the election of directors, the process that how an auditor is appointed and finally to fix the auditors remuneration. All these points should be mentioned in the business of AGM. These are important points which need to be discussed in AGM, if not then there are chances that these points might get skipped. For a general meeting to get concluded, it is very important that quorum must be there. If the quorum is not present then there are high chances that meeting may also get cancelled. There are some situations where a director is not presen t in the meeting, then on his place, his proxy can also attend the meeting and also has the right to vote.(austlii.edu.au, 2016) Bibliography Austlii.edu.au, 2016. CORPORATIONS ACT 2001 - SECT 191. [Online] Available at: https://www.austlii.edu.au/au/legis/cth/consol_act/ca2001172/s191.html [Accessed 12th September 2016]. Austlii.edu.au, 2016. CORPORATIONS ACT 2001 - SECT 198A. [Online] Available at: https://www.austlii.edu.au/au/legis/cth/consol_act/ca2001172/s198a.html [Accessed September September 2016]. Austlii.edu.au, 2016. CORPORATIONS ACT 2001 - SECT 250R. [Online] Available at: https://www.austlii.edu.au/au/legis/cth/consol_act/ca2001172/s250r.html [Accessed 12th September 2016].