Sentence examples for but no systematic studies from inspiring English sources

The literature contains several papers that report on the effects of nano-sized solid lubricant additives, but no systematic studies have been published on the effects of nano-sized PTFE particles.

An FFC is known to appear in some instances with modification of autoregulation [ 3, 9, 10], but no systematic studies on autoregulation-integrated FFCs have yet been carried out.

There have been several studies focused on the relation between EPCs and sepsis [ 8- 10], but no systematic studies existed regarding pathological variations in the number and function of EPCs in vivo in MODS and there was no agreement in the change of EPCs in MODS caused by severe sepsis.

"There's a lot of anecdotal evidence," Mr. Ray said, "but no systematic study of restaurants at all.

Direct synthesis of enol ethers by a Wittig reaction with alkoxymethylphosphonium salt is though an evident concept but no systematic study is found in literature.

Such approaches are computationally efficient, but no systematic study has been conducted to qualitatively or quantitatively assess the impact of the neglected dimensionality on the accuracy of the resulting model.

Gibbons sometimes also produce songs in response to predators, but no systematic study has ever been conducted to investigate this phenomenon [20] [21].

In some bladder tumours, NAT1 is reduced (Stanley et al., 1996) but no systematic study has been carried out.

The performance of commercial kits for the preparation of DNA from serum has been evaluated by Queipo-Ortuno et al. [ 7], but no systematic study has been performed using clinical tissue specimens.

But, there are no systematic studies regarding the application of this strain for the defluoridation of water (Table 4).

But to our knowledge, no systematic studies addressed the effects of temperature on virus stability within broad operating ranges, and no data is available for the range of temperature usually used for the production.