1. More then 350 works created (определение) by Mendeleyev deal with many subjects.
2. When improved (обстоятельство) generators, lazard and amplifiers will guarante safe cosmic flights and landings.
3. Scientists have discovered (часть сказуемого) many ways of producing hydrogen.
4. In 1859 the scientist was sent (часть сказуемого) to Germany.
5. Improved (определение) machinery of any kind helps to remove unskilled labour.