Abstract. Due to their microstructure, quasi brittle materials present rough cracks. Under sliding of the crack lips, this roughness involves in one hand induced opening and in the other hand some apparent plasticity which is due to the interlocking of the crack lips combined with Coulomb’s friction. The proposed model is written under the irreversible thermodynamics framework. Micromechanics u...

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This Cochrane Review by Polec and colleagues focuses on new approaches for the use of ITNs in malaria prevention by presenting strategies to increase their ownership and use. The analysis focuses on three major topics. First, the influence of the cost of an ITN on ownership is explored and concludes that there is moderate evidence that providing free ITNs increases ownership compared to subsidi...

Watch our Application Materials Online Workshops: CVs for Residency [1] CV 1 Before [7] and CV 1 After [8], Nurse Practitioner CV 2 [9], Nurse Practitioner CV 3 [10], Nurse Midwifery CV 4 [11], Advanced Practice Cardiovascular Nurse/Clinical Nurse Specialist CV 5 [12], Gerontological Nurse Practitioner CV 6 [13], Oncology Clinical Nurse Specialist CV 7 [14], Adult Nurse Practitioner CV 8 [15], ...

The third ASTM symposium on damage in laser materials held at NBS in May 1971 is discussed, and the results are reviewed.

Polymorphism often occurs in energetic materials. Differences in the forms range from conformational changes in the molecule from one system to another, to conformational equivalents packing in different manners. These differences, whether drastic or subtle, can lead to substantial alterations in stability and performance. The authors recently reported on the crystal structures of five polymorp...

Watch our Application Materials Online Workshops: CVs for Residency [1] CV 1 Before [7] and CV 1 After [8], Nurse Practitioner CV 2 [9], Nurse Practitioner CV 3 [10], Nurse Midwifery CV 4 [11], Advanced Practice Cardiovascular Nurse/Clinical Nurse Specialist CV 5 [12], Gerontological Nurse Practitioner CV 6 [13], Oncology Clinical Nurse Specialist CV 7 [14], Adult Nurse Practitioner CV 8 [15], ...

In general, thermodynamics is the study of laws governing processes which involve heat changes. It includes the study of conditions under which various substances exist in chemical equilibria, the consequences of chemical reactions and the interchange of heat and other forms of energy when a chemical re action occurs. In the field of nuclear technology, it is necessary to know how construction ...