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  • comprises
  • 4. The method of claim 1 , wherein the microbubbles have a threshold for cavitation, and wherein the method further comprises lowering the threshold for cavitation of the microbubbles in the treatment volume compared with the threshold for cavitation of microbubbles in a volume external to the treatment volume. (google.com)
  • 5. The method of claim 4 , wherein lowering the threshold for cavitation of microbubbles in the treatment volume comprises producing a population of microbubbles within the treatment volume which have a limited size distribution, so that the microbubbles oscillate at a maximal response frequency. (google.com)
  • 6. The method of claim 4 , wherein lowering the threshold for cavitation of microbubbles in the treatment volume comprises eliminating microbubbles from the external volume with a low intensity ultrasound beam. (google.com)
  • 2. An air filter monitoring device in accordance with claim 1, wherein said air pressure differential sensor comprises a dual pressure sensor which includes a diaphragm, said diaphragm being operatively connected to said probes and further operatively connected to actuate said first and second air pressure differential sensor members. (google.ca)
  • control
  • a pair of clogged air filter indicia members connected to said control circuit which are responsive to actuation of said first air pressure differential sensor member when said blower is being operated at said first speed and alternately are responsive to actuation of said second air pressure differential sensor member when said blower is being operated at said second speed. (google.ca)
  • data
  • Our DNs approach consists of 6 steps: time-series gene expression data collection, identification of altered genes, gene interaction network reconstruction, differential edge inference, mapping of genes with differential edges to pathways, and establishment of causal relationships between chemical concentration and perturbed pathways. (biomedcentral.com)
  • treatment
  • Preferably, the threshold for cavitation of microbubbles in the treatment volume is lowered compared with the threshold for cavitation in surrounding tissues. (google.com)
  • Using the method and assembly of the present invention, the cavitation threshold within the treatment volume is made predictable, and a low frequency ultrasound beam may be used to cavitate the microbubbles within the treatment volume without causing damage to surrounding tissues. (google.com)
  • study
  • Findings from this proof-of-concept study suggest that our approach has a great potential in providing a novel and sensitive tool for threshold setting in chemical risk assessment. (biomedcentral.com)
  • In their new study, Krauzlis, Herman, and colleagues used an "accumulator threshold model" to study how neuronal activity in the superior colliculus relates to behavior. (nih.gov)
  • model
  • Interaction networks of differentially expressed (DE) genes were reconstructed for different treatments using a state space model and then compared to infer differential edges/interactions. (biomedcentral.com)
  • This commonly used model assumes that information builds up over time until it hits a certain threshold, whereupon a person or animal makes a decision. (nih.gov)
  • person
  • 0.001), indicating that each person had a consistent testosterone threshold for androgen deficiency symptoms that differed markedly between individuals. (antiagingatlanta.com)
  • cause
  • Because most testosterone preparations are relatively short-term, the rapid changes in blood testosterone concentrations they cause make it difficult to define any testosterone threshold. (antiagingatlanta.com)