Business Cards

Business is growing and along with that grows the technology. the added advantage of having technology along with business Is that you can use technology to make work done at a faster rate, use them to calculate your employees efficiency and finally use it to market your finished product. Along with this you can popularize your business with the help of business card from 123print.com who provide business cards online itself. Here you have a huge collection of business cards that are sure to attract the concentration of active market investors. You are provided with an opportunity to design your own custom business cards if you feel that you need a truly new model cards. I am sure that technology in business cards has made business more challenging and interesting.

Web Hosting

With the technology developing at rapid rate, the field of web technology is no lagging behind, They to have introduced some new concepts and technologies that are revolutionizing the internet world. One such technology is webhosting; this is considered as a basic for creating web sites and company portals. Finding the best and most suitable web hosting was always a problem in the early of this decade but the web hosting geeks had some other plan. They made a new sort of arrangements that guides their customers to select the best web hosting based on the customer’s need. It is easy to get a cheap professional web hosting services under $10 a month. They provide with the best web hosting award in certain categories such as Linux, windows, PHP, email, e-commerce and many more. You can find the domain that you want based on your needs, such as if you go for an internet portal that should work only on windows you can select the windows web hosting domains.

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Methods of measuring temperature

The temperature in a vessel or pipe is one of the most important parameters to monitor and control in any process. It may be measured by mercury-in-glass thermometers, bimetallic thermometers, pressure bulb thermometers, thermocouples, metal-resistance thermometers or thermistors. Accurate mercury-in-glass thermometers are used to check and calibrate the other temperature sensors.

1. Mercury-in-glass Thermometers - Mercury-in-glass thermometers may be used in small bench labs and institutes, because its fragility has restricted it use. In large fermenters it would be necessary to insert into thermometer pocket in the vessel, which introduces a time lag in registering the vessel temperature.
2. Electrical Resistance Thermometers -It is well known that the electrical resistance of metals changes with temperature variation. This property has been utilized in the design of resistance thermometers. The bulb of the instrument contains the resistance element, a mica framework (for very accurate measurement) or a ceramic framework (robust, but for less accurate measurement) around which the sensing element is wound. A platinum wire of 100-ohm resistance is normally used. Leads emerging from the bulb are connected to the measuring element. The reading is normally obtained by the use of a Wheat- stone bridge circuit and is a measure of the average temperature of the sensing element. They have a greater accuracy.
3. Thermistors - Thermistors are semiconductors made from specific mixtures of pure oxides of iron, nickel and other metals. Their main characteristic is a large change in resistance with a small temperature change. The change in resistance is a function of absolute temperature. The temperature reading is obtained with a Wheatstone bridge or a simpler or more complex circuit depending on the application. Thermistors are relatively cheap and have proved to be very stable, give reproducible readings, and can be sited remotely from the read-out point.

Basic Functions of A Fermenter For Microbial Or Animal Cell Culture

The main function of a fermenter is to provide a controlled environment for the growth of micro organisms or animal cells, to obtain a desired product. In designing and constructing a fermenter a number of points must be considered:

• The vessel should be capable of being operated aseptically for a number of days and should be reliable in long-term operation and meet the requirements of containment regulations.
• Adequate aeration and agitation should be provided to meet the metabolic requirements of the micro-organism. However, the mixing should not cause damage to the organism.
• Power consumption should be as low as possible.
• A system of temperature control should be provided.
• A system of pH control should be provided.
• Sampling facilities should be provided.
• Evaporation losses from the fermenter should not be excessive.
• The vessel should be designed to require the minimal use of labour in operation, harvesting, cleaning and maintenance.
• Ideally the vessel should be suitable for a range of processes, but this may be restricted because of containment regulations.
• The vessel should be of similar geometry to both smaller and larger vessels in the pilot plant or plant to facilitate scale-up.
• The cheapest materials which enable satisfactory results to be achieved should be used.

Cyclic fed-Batch Culture

The life of variable volume fed-batch fermentation may be extended beyond the time it takes to fill the fermenter by withdrawing a portion of the culture and using the residual culture as the starting point for a further fed-batch process. The decrease in volume results in the significant increase in the dilute rate. This results in an increase in the specific growth rate. The increase is then followed by its gradual decrease as the quasi steady state is established. Such a cycle may be repeated several times resulting in a series of fed-batch fermentation. Thus, the organism would experience a periodic shift-up growth rate followed by a gradual shift-down. This periodicity in growth rate may be achieved in the fixed volume fed-batch systems by diluting the culture when the biomass reaches a concentration which cannot be maintained in aerobic conditions. Dilution results in decline of growth rate and increase of biomass, and once again the maximum sustainability in a vessel is obtained. Dilution would be achieved by withdrawing culture and refilling to the original level with sterile water or medium not containing feed substrate.

Continuous Bio-Mass production

Microbial biomass which is produced from human or animal consumption is referred to as single cell protein. Although yeast was produced as food on a large scale in Germany during the World War I, the concept of utilizing microbial biomass as food was not thoroughly investigated until the 1960s. Since then a large number of industrial companies have explored the potential and started producing the single cell proteins from a wide range of carbon sources. Almost without exception, these investigations have been based on the use of continuous culture as the growth technology. The continuous growth technology is the ideal method for the production of microbial biomass. The superior productivity of the technology compared with that of batch culture may be exploited fully and the problem of strain degeneration is not as significant as in the production of microbial metabolites. The selective pressure in the chemostat would tend to work in advantage of the industrialist producing single cell proteins. The development of “single cell proteins” production process generated considerable research into a large-scale chemostat design and the behavior of the production organism in these very large vessels.

Information Technology Management Issues

The task of managing information technology remains challenging for a variety of very important and critical reasons. Additional challenges for Information technology managers arise from their organization’s sociology and culture. Since these factors are for the most part, managerial issues rather than technical concerns, resolving them requires comprehensive management skill rather than rich technical skills. It is found that aligning the IT and corporate goals, re-engineering business process, redefining Information Technology’s role and contribution, and developing information architecture have been more important to Information technology and other executives for more than a decade. A latest survey by a group of researchers found the below statements needs to be improved.

1. Use information technology to improve productivity, quality and effectiveness.


2. creating and maintaining competitive advantage through information Technology


3. Redesigning Business process to make strategic planning

It should be no surprise that the concerns noted above are critical to the Information technology managers and their firms because information technology is at the heart of many businesses today.