-
CAS's SciFinder and new SciFinder Scholar deliver access to comprehensive chemistry databases (1997)
0.26
0.26076218 = sum of:
0.26076218 = product of:
1.303811 = sum of:
0.025017936 = weight(abstract_txt:service in 5003) [ClassicSimilarity], result of:
0.025017936 = score(doc=5003,freq=1.0), product of:
0.05835239 = queryWeight, product of:
1.4979657 = boost
4.5732145 = idf(docFreq=1240, maxDocs=44218)
0.008517952 = queryNorm
0.42873886 = fieldWeight in 5003, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
4.5732145 = idf(docFreq=1240, maxDocs=44218)
0.09375 = fieldNorm(doc=5003)
0.052223984 = weight(abstract_txt:identification in 5003) [ClassicSimilarity], result of:
0.052223984 = score(doc=5003,freq=1.0), product of:
0.09530982 = queryWeight, product of:
1.9144382 = boost
5.8446846 = idf(docFreq=347, maxDocs=44218)
0.008517952 = queryNorm
0.5479392 = fieldWeight in 5003, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.8446846 = idf(docFreq=347, maxDocs=44218)
0.09375 = fieldNorm(doc=5003)
0.08321308 = weight(abstract_txt:abstracts in 5003) [ClassicSimilarity], result of:
0.08321308 = score(doc=5003,freq=1.0), product of:
0.14883868 = queryWeight, product of:
2.930057 = boost
5.963546 = idf(docFreq=308, maxDocs=44218)
0.008517952 = queryNorm
0.5590824 = fieldWeight in 5003, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.963546 = idf(docFreq=308, maxDocs=44218)
0.09375 = fieldNorm(doc=5003)
0.61337394 = weight(abstract_txt:substances in 5003) [ClassicSimilarity], result of:
0.61337394 = score(doc=5003,freq=2.0), product of:
0.49246404 = queryWeight, product of:
6.1542454 = boost
9.394302 = idf(docFreq=9, maxDocs=44218)
0.008517952 = queryNorm
1.2455202 = fieldWeight in 5003, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
9.394302 = idf(docFreq=9, maxDocs=44218)
0.09375 = fieldNorm(doc=5003)
0.52998203 = weight(abstract_txt:chemical in 5003) [ClassicSimilarity], result of:
0.52998203 = score(doc=5003,freq=2.0), product of:
0.5628704 = queryWeight, product of:
9.304793 = boost
7.1017675 = idf(docFreq=98, maxDocs=44218)
0.008517952 = queryNorm
0.9415703 = fieldWeight in 5003, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.1017675 = idf(docFreq=98, maxDocs=44218)
0.09375 = fieldNorm(doc=5003)
0.2 = coord(5/25)
-
Search services and gateways (1992)
0.18
0.17558655 = sum of:
0.17558655 = product of:
0.73161066 = sum of:
0.024809878 = weight(abstract_txt:industry in 4291) [ClassicSimilarity], result of:
0.024809878 = score(doc=4291,freq=1.0), product of:
0.052009765 = queryWeight, product of:
6.1059003 = idf(docFreq=267, maxDocs=44218)
0.008517952 = queryNorm
0.47702345 = fieldWeight in 4291, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
6.1059003 = idf(docFreq=267, maxDocs=44218)
0.078125 = fieldNorm(doc=4291)
0.02948392 = weight(abstract_txt:service in 4291) [ClassicSimilarity], result of:
0.02948392 = score(doc=4291,freq=2.0), product of:
0.05835239 = queryWeight, product of:
1.4979657 = boost
4.5732145 = idf(docFreq=1240, maxDocs=44218)
0.008517952 = queryNorm
0.5052736 = fieldWeight in 4291, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.5732145 = idf(docFreq=1240, maxDocs=44218)
0.078125 = fieldNorm(doc=4291)
0.029215526 = weight(abstract_txt:structures in 4291) [ClassicSimilarity], result of:
0.029215526 = score(doc=4291,freq=1.0), product of:
0.07307255 = queryWeight, product of:
1.6762921 = boost
5.117636 = idf(docFreq=719, maxDocs=44218)
0.008517952 = queryNorm
0.39981532 = fieldWeight in 4291, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.117636 = idf(docFreq=719, maxDocs=44218)
0.078125 = fieldNorm(doc=4291)
0.03784649 = weight(abstract_txt:file in 4291) [ClassicSimilarity], result of:
0.03784649 = score(doc=4291,freq=1.0), product of:
0.086835146 = queryWeight, product of:
1.8273441 = boost
5.57879 = idf(docFreq=453, maxDocs=44218)
0.008517952 = queryNorm
0.435843 = fieldWeight in 4291, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.57879 = idf(docFreq=453, maxDocs=44218)
0.078125 = fieldNorm(doc=4291)
0.069344245 = weight(abstract_txt:abstracts in 4291) [ClassicSimilarity], result of:
0.069344245 = score(doc=4291,freq=1.0), product of:
0.14883868 = queryWeight, product of:
2.930057 = boost
5.963546 = idf(docFreq=308, maxDocs=44218)
0.008517952 = queryNorm
0.46590203 = fieldWeight in 4291, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.963546 = idf(docFreq=308, maxDocs=44218)
0.078125 = fieldNorm(doc=4291)
0.5409106 = weight(abstract_txt:chemical in 4291) [ClassicSimilarity], result of:
0.5409106 = score(doc=4291,freq=3.0), product of:
0.5628704 = queryWeight, product of:
9.304793 = boost
7.1017675 = idf(docFreq=98, maxDocs=44218)
0.008517952 = queryNorm
0.9609861 = fieldWeight in 4291, product of:
1.7320508 = tf(freq=3.0), with freq of:
3.0 = termFreq=3.0
7.1017675 = idf(docFreq=98, maxDocs=44218)
0.078125 = fieldNorm(doc=4291)
0.24 = coord(6/25)
-
Wilks, E.S.: Polymer nomenclature and structure: a comparison of systems used by CAS, IUPAC, MDL, and DuPont : 1. Regular single-strand organic polymers (1997)
0.13
0.1276426 = sum of:
0.1276426 = product of:
1.0636884 = sum of:
0.041696563 = weight(abstract_txt:service in 7919) [ClassicSimilarity], result of:
0.041696563 = score(doc=7919,freq=1.0), product of:
0.05835239 = queryWeight, product of:
1.4979657 = boost
4.5732145 = idf(docFreq=1240, maxDocs=44218)
0.008517952 = queryNorm
0.7145648 = fieldWeight in 7919, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
4.5732145 = idf(docFreq=1240, maxDocs=44218)
0.15625 = fieldNorm(doc=7919)
0.13868849 = weight(abstract_txt:abstracts in 7919) [ClassicSimilarity], result of:
0.13868849 = score(doc=7919,freq=1.0), product of:
0.14883868 = queryWeight, product of:
2.930057 = boost
5.963546 = idf(docFreq=308, maxDocs=44218)
0.008517952 = queryNorm
0.93180406 = fieldWeight in 7919, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.963546 = idf(docFreq=308, maxDocs=44218)
0.15625 = fieldNorm(doc=7919)
0.88330334 = weight(abstract_txt:chemical in 7919) [ClassicSimilarity], result of:
0.88330334 = score(doc=7919,freq=2.0), product of:
0.5628704 = queryWeight, product of:
9.304793 = boost
7.1017675 = idf(docFreq=98, maxDocs=44218)
0.008517952 = queryNorm
1.5692837 = fieldWeight in 7919, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.1017675 = idf(docFreq=98, maxDocs=44218)
0.15625 = fieldNorm(doc=7919)
0.12 = coord(3/25)
-
Wilks, E.S.: Polymer nomenclature and structure: a comparison of systems used by CAS, IUPAC, MDL, and DuPont : 2. Aftertreated (post-terated), alternating/periodic, and block polymers (1997)
0.13
0.1276426 = sum of:
0.1276426 = product of:
1.0636884 = sum of:
0.041696563 = weight(abstract_txt:service in 7920) [ClassicSimilarity], result of:
0.041696563 = score(doc=7920,freq=1.0), product of:
0.05835239 = queryWeight, product of:
1.4979657 = boost
4.5732145 = idf(docFreq=1240, maxDocs=44218)
0.008517952 = queryNorm
0.7145648 = fieldWeight in 7920, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
4.5732145 = idf(docFreq=1240, maxDocs=44218)
0.15625 = fieldNorm(doc=7920)
0.13868849 = weight(abstract_txt:abstracts in 7920) [ClassicSimilarity], result of:
0.13868849 = score(doc=7920,freq=1.0), product of:
0.14883868 = queryWeight, product of:
2.930057 = boost
5.963546 = idf(docFreq=308, maxDocs=44218)
0.008517952 = queryNorm
0.93180406 = fieldWeight in 7920, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.963546 = idf(docFreq=308, maxDocs=44218)
0.15625 = fieldNorm(doc=7920)
0.88330334 = weight(abstract_txt:chemical in 7920) [ClassicSimilarity], result of:
0.88330334 = score(doc=7920,freq=2.0), product of:
0.5628704 = queryWeight, product of:
9.304793 = boost
7.1017675 = idf(docFreq=98, maxDocs=44218)
0.008517952 = queryNorm
1.5692837 = fieldWeight in 7920, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.1017675 = idf(docFreq=98, maxDocs=44218)
0.15625 = fieldNorm(doc=7920)
0.12 = coord(3/25)
-
Wilks, E.S.: Polymer nomenclature and structure: a comparison of systems used by CAS, IUPAC, MDL, and DuPont : 3. Comb/graft, cross-linked, and dendritic/hyperconnected/star polymers (1997)
0.13
0.1276426 = sum of:
0.1276426 = product of:
1.0636884 = sum of:
0.041696563 = weight(abstract_txt:service in 7921) [ClassicSimilarity], result of:
0.041696563 = score(doc=7921,freq=1.0), product of:
0.05835239 = queryWeight, product of:
1.4979657 = boost
4.5732145 = idf(docFreq=1240, maxDocs=44218)
0.008517952 = queryNorm
0.7145648 = fieldWeight in 7921, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
4.5732145 = idf(docFreq=1240, maxDocs=44218)
0.15625 = fieldNorm(doc=7921)
0.13868849 = weight(abstract_txt:abstracts in 7921) [ClassicSimilarity], result of:
0.13868849 = score(doc=7921,freq=1.0), product of:
0.14883868 = queryWeight, product of:
2.930057 = boost
5.963546 = idf(docFreq=308, maxDocs=44218)
0.008517952 = queryNorm
0.93180406 = fieldWeight in 7921, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.963546 = idf(docFreq=308, maxDocs=44218)
0.15625 = fieldNorm(doc=7921)
0.88330334 = weight(abstract_txt:chemical in 7921) [ClassicSimilarity], result of:
0.88330334 = score(doc=7921,freq=2.0), product of:
0.5628704 = queryWeight, product of:
9.304793 = boost
7.1017675 = idf(docFreq=98, maxDocs=44218)
0.008517952 = queryNorm
1.5692837 = fieldWeight in 7921, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.1017675 = idf(docFreq=98, maxDocs=44218)
0.15625 = fieldNorm(doc=7921)
0.12 = coord(3/25)