Search results
Results from the WOW.Com Content Network
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Chinese paper cutting, in a style that is practically identical to the original 6th-century form. Jianzhi (Chinese: 剪紙, pinyin: jiǎnzhǐ) is a traditional style of papercutting in China, and it originated from cutting patterns for rich Chinese embroideries and later developed into a folk art in itself.
Roll slitting is a shearing operation that cuts a large roll of material into narrower rolls. There are two types of slitting: log slitting and rewind slitting . In log slitting the roll of material is treated as a whole (the 'log') and one or more slices are taken from it without an unrolling/re-reeling process.
A circular filter paper is taken and the sample is deposited at the center of the paper. After drying the spot, the filter paper is tied horizontally on a Petri dish containing solvent, so that the wick of the paper is dipped in the solvent. The solvent rises through the wick and the components are separated into concentric rings.
As a raw material of cellulose derivatives, dissolving pulp is used in carboxymethyl cellulose (CMC), methyl cellulose (MC), hydroxypropyl cellulose (HPC), hydroxyethyl cellulose (HEC), etc. Since dissolving pulp is highly refined, it is a product of high whiteness with few impurities making it suitable in specialty paper-related products such ...
A paper machine can produce an unlimited number of master (jumbo) rolls, each 5600 mm wide. The following 13 items must be cut, in the table below. The important thing about this kind of problem is that many different product units can be made from the same master roll, and the number of possible combinations is itself very large, in general ...
1. Related to group or solo performances. 2. A small or unspecified number of items. 3. Phrases you might see on the cover of something. 4. The words in this category are often used in repetitive ...
[1] [9] [10] While some of the earliest examples of paper made from wood pulp include works published by Jacob Christian Schäffer in 1765 and Matthias Koops in 1800, [1] [11] large-scale wood paper production began in the 1840s with unique, simultaneous developments in mechanical pulping made by Friedrich Gottlob Keller in Germany [12] and by ...