News-scripts

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IllCflWAY ioiflKJkciiiçje 1 THIS IS ONE OF OUR HEW "PACKAGE UNIT" IONXCHANGERS Based on experience gained since we first made these units in 1946, a completely new line of "pack- aged" de-ionizers is now available. FEATURES Π If desired later, any model can be converted to automatic by add- ing pneumatic operators to valves, plus control panel and pilot valves. Π If increased capacity is desired later, tank extensions can be added. Π Design is compact, yet all parts readily accessible. Tank heads are removeable. Valves can be serviced from front panel. Π Valves are numbered and arranged in con- venient straight lines for efficient operation. Π Tanks are lined with 3/32" sheet Koroseal at factory, and spark-tested. Π Resins are made to our specifications, checked in our laboratory. Π Plastic piping is rigidly supported. Π Valves are PVC body, diaphragm type, proved against leakage, available as stand- ard stock items. Π New literature is available on request, giving full details and specifications of over 20 models in various types and capacities. Ask for Bulletin PKA- 162. COMPLETELY ASSEMBLED IWT "PACKAGE UNIT" Ion- Xchangers are completely assem- bled, tested, loaded with resins, and shipped in a single box (with breakable flow meters protected), ready for operation as soon as attached to inlet, outlet, and drain lines. /U/NOIS WATER TREATMENT CO. 5*0 CEDAR ST., ROCKFORD, ILLINOIS C/ "V4D? RK 0FF,CE: ' 4 1 E · <*4th St.. New York 17. N.Y. Hogs to Get Workout Dr. Roger Link of the University of Illinois is using hogs in studies of the effect of exercise on blood clotting and hardening of the arteries. Dr. Link, a veterinary physiologist, says that hogs have a circulatory system similar to that of man. Also, they suffer from blood clots and hard arteries. The general idea is to feed the hogs a diet high in cholesterol and saturated fatty acids. Half of the hogs will get regular workouts on a treadmill, and the other half will not. After a year of this, Dr. Link will study the blood vessels of the exercised and nonexercised hogs. Thus, he will test the theory that exercise increases the size of certain blood vessels and reduces the danger of arterial disease. Inside Dope on Burglary The November issue of The Humble News, Humble Oil's employee publi- cation, has a story by a burglar on how to protect your home against same. The burglar, who has 15 years' experience, is currently in the State Prison of Southern Michigan. The trouble with houses, the burglar points out, is that they simply aren't designed to be burglar-proof. How- ever, there are some things you can do, he adds, to make the housebreaker's job a little less simple. Among them: • Use locks that can't be opened with a strip of celluloid. If you must hide a spare key out- side, put it at least 10 feet from the door. • Tell the cops if you're going to be away more than three days and let them know when you expect to return. If you take your dog with you when you leave the home, be sure his empty kennel isn't conspicuous. • Leave a light burning in the bath- room when you go away. Moths Eschew Amylose Research workers at the U.S. Depart- ment of Agriculture have found that plant breeders might be able to use the Angoumais grain moth to screen strains of corn for high amylose-starch content. Dr. M. S. Zuber of the Agri- cultural Research Service and Dr. M. L. Fairchild of the Missouri Agricul- tural Experiment Station say that the moths show a distinct feeding prefer- ence for low-amylose corn. USD A has been working with am- ylose starch for some time as a possible raw material for fibers, plastics, and films. One of the problems is develop- ing strains of corn that contain enough amylose to be profitable as a specialty crop. The starch in ordinary corn is about 25% amylose, but strains have been found whose starch contains 80% amylose. In any case, testing for amylose content is a tedious laboratory procedure. Dr. Zuber and Dr. Fairchild base their conclusions on two years of feed- ing tests. They say that the moths, given a choice, munch kernels with the lowest amylose content first. To screen corn for amylose content. Dr. Zuber and Dr. Fairchild suggest that the plant breeder might expose his plants to infestations of the moths. Each year, he would base his selec- tions on preferences shown by the moths. In this way he could develop high-amylose strains without the ex- pense of testing numerous samples in the laboratory. COMING NEXT WEEK Clinical Lab Instruments New instruments—gas chromatographs, atomic absorp- tion spectrophotometers, electrode devices, and many others—are finding expanding use in clinical labora- tories. Part II of a two-part C&EN Special Report 142 C&EN DEC. 9, 1963 News-Scripts

Transcript of News-scripts

IllCflWAY ioiflKJkciiiçje

1

THIS IS ONE OF OUR

HEW "PACKAGE UNIT" IONXCHANGERS Based on experience gained since we first made these units in 1946, a completely new line of "pack­aged" de-ionizers is now available.

FEATURES Π If desired later, any model can be converted to automatic by add­ing pneumatic operators to valves, plus control panel and pilot valves. Π If increased capacity is desired later, tank extensions can be added. Π Design is compact, yet all parts readily accessible. • Tank heads are removeable. • Valves can be serviced from front panel. Π Valves are numbered and arranged in con­venient straight lines for efficient operation. Π Tanks are lined with 3/32" sheet Koroseal at factory, and spark-tested. Π Resins are made to our specifications, checked in our laboratory. Π Plastic piping is rigidly supported. Π Valves are PVC body, diaphragm type, proved against leakage, available as stand­ard stock items. Π New literature is available on request, giving full details and specifications of over 20 models in various types and capacities. Ask for Bulletin PKA-162.

COMPLETELY ASSEMBLED IWT "PACKAGE UNIT" Ion­Xchangers are completely assem­bled, tested, loaded with resins, and shipped in a single box (with breakable flow meters protected), ready for operation as soon as attached to inlet, outlet, and drain lines.

/U/NOIS WATER TREATMENT CO. 5 * 0 CEDAR ST., ROCKFORD, ILLINOIS C / " V 4 D ? R K 0 F F , C E : ' 4 1 E · <*4th St.. New York 17. N.Y.

Hogs to Get Workout Dr. Roger Link of the University of Illinois is using hogs in studies of the effect of exercise on blood clotting and hardening of the arteries. Dr. Link, a veterinary physiologist, says that hogs have a circulatory system similar to that of man. Also, they suffer from blood clots and hard arteries.

The general idea is to feed the hogs a diet high in cholesterol and saturated fatty acids. Half of the hogs will get regular workouts on a treadmill, and the other half will not.

After a year of this, Dr. Link will study the blood vessels of the exercised and nonexercised hogs. Thus, he will test the theory that exercise increases the size of certain blood vessels and reduces the danger of arterial disease.

Inside Dope on Burglary The November issue of The Humble News, Humble Oil's employee publi­cation, has a story by a burglar on how to protect your home against same. The burglar, who has 15 years' experience, is currently in the State Prison of Southern Michigan.

The trouble with houses, the burglar points out, is that they simply aren't designed to be burglar-proof. How­ever, there are some things you can do, he adds, to make the housebreaker's job a little less simple. Among them:

• Use locks that can't be opened with a strip of celluloid.

• If you must hide a spare key out­side, put it at least 10 feet from the door.

• Tell the cops if you're going to be away more than three days and let them know when you expect to return.

• If you take your dog with you when you leave the home, be sure his empty kennel isn't conspicuous.

• Leave a light burning in the bath­room when you go away.

Moths Eschew Amylose Research workers at the U.S. Depart­ment of Agriculture have found that plant breeders might be able to use the Angoumais grain moth to screen strains of corn for high amylose-starch content. Dr. M. S. Zuber of the Agri­cultural Research Service and Dr. M. L. Fairchild of the Missouri Agricul­tural Experiment Station say that the moths show a distinct feeding prefer­ence for low-amylose corn.

USD A has been working with am­ylose starch for some time as a possible raw material for fibers, plastics, and films. One of the problems is develop­ing strains of corn that contain enough amylose to be profitable as a specialty crop. The starch in ordinary corn is about 25% amylose, but strains have been found whose starch contains 80% amylose. In any case, testing for amylose content is a tedious laboratory procedure.

Dr. Zuber and Dr. Fairchild base their conclusions on two years of feed­ing tests. They say that the moths, given a choice, munch kernels with the lowest amylose content first.

To screen corn for amylose content. Dr. Zuber and Dr. Fairchild suggest that the plant breeder might expose his plants to infestations of the moths. Each year, he would base his selec­tions on preferences shown by the moths. In this way he could develop high-amylose strains without the ex­pense of testing numerous samples in the laboratory.

C O M I N G N E X T W E E K

Clinical Lab Instruments New instruments—gas chromatographs, atomic absorp­tion spectrophotometers, electrode devices, and many others—are finding expanding use in clinical labora­tories. Part II of a two-part C&EN Special Report

142 C&EN DEC. 9, 1963

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