ライフサイエンスコーパス: twinning

1 can enhance dislocation pinning and promote twinning.

2 small (<4 nm) PbS nanocrystals exhibited no twinning.

3 ments, despite the presence of nonmerohedral twinning.

4 ring phase transformation can induce crystal twinning.

5 ons that might have been responsible for the twinning.

6 tallographic model) and (2) crystallographic twinning.

7 ional plastic deformation mode comparable to twinning.

8 The structure is further complicated by twinning.

9 tly affects their formability is deformation twinning.

10 cation activity and deformation-induced nano-twinning.

11 he excess mechanical energy is dissipated by twinning.

12 pating phases and compatibility matrices for twinning.

13 effect of crystal orientation on deformation twinning.

14 ientations to reach the threshold stress for twinning.

15 statistically significant increased risk of twinning.

16 mixed cross-sectional shapes and occasional twinning.

17 of Asc into ovaries phenocopied DHAR-induced twinning.

18 g-fault energy at 0K and high propensity for twinning.

19 location glide and a very active {111} micro-twinning.

20 two-fold symmetries that indicate merohedral twinning along the crystallographic c axis.

21 tment of small Au seeds results in extensive twinning and a subsequent drastic improvement in the yie

22 We find that the competition between twinning and dislocation slip can be mediated by loading

23 dered on the atomic scale, although numerous twinning and intergrowth defects as well as antiphase bo

24 ure deformation processes such as mechanical twinning and may be relevant for the dynamics of tectoni

25 In conclusion, twinning and periconceptional undernutrition are associa

26 tates, compared to a perfect single crystal, twinning and piecewise linear defects are commonly obser

27 c pool size, affects the rate of monozygotic twinning and polycotyly.

28 face topology studies and the observation of twinning and preferential orientation in bcc-AB(6) on th

29 Our experiments reveal twinning and related lattice rotation occurring on the t

30 e first example of gene-directed monozygotic twinning and shows that Asc regulates cell polarity duri

31 tion, despite the common association between twinning and strong shocks, we find a transition from tw

32 ies between neighboring grains and can favor twinning and thus increase the MFIS.

33 h direction, branching and kinking, periodic twinning, and crystal structure.

34 Partial and perfect dislocations, twinning, and debris from dislocation interactions are f

35 from crystals exhibiting perfect hemihedral twinning, and the details of structure determination are

36 This results in joint activation of twinning- and transformation-induced plasticity (TWIP an

37 This paralogous "twinning" appears to be under selection, perhaps to incr

38 Generation and motion of dislocations and twinning are the main mechanisms of plastic deformation.

39 terials, martensite formation and mechanical twinning are tuned via composition adjustment for realiz

40 These data clearly do not support twinning as a substantial risk factor in the etiology of

41 provides direct observations of deformation twinning as well as new insights into the deformation me

42 egulate the relative activities of slips and twinning, as a result, overcome the inherent limitations

43 anowires exhibit polycrystalline and crystal twinning at different areas along the nanowire axis, wit

44 mulations reveal a transition from crack-tip twinning at short times to full dislocation formation at

45 ndary motion mimics conventional deformation twinning but is distinct from the latter and, as such, b

46 elationship akin to that of the conventional twinning, but without a crystallographic mirror plane, a

47 A higher polygenic risk score (PRS) for DZ twinning, calculated based on the results of the DZ twin

48 rain size alone cannot explain many observed twinning characteristics.

49 undetected by X-ray diffraction because the twinning complexity renders differences in anomalous dis

50 cilitates observations of different types of twinning: contact, polysynthetic, and cyclic.

51 The lone factor for twinning dependent on grain size is the stress necessary

52 rnated crack tip blunting, crack deflection, twinning/detwinning and slip transmission across the CTB

53 in the twinning probability, we showed that twinning energy in a nanocrystal superlattice is strongl

54 served in silver nanoparticles with fivefold twinning even at ambient conditions.

55 cation after X inactivation, whereas a DC-MZ twinning event occurs earlier, before or around the time

56 Deformation twinning evolution from a single crystal is conducted by

57 Additionally, we find that nanocrystal twinning exerts a profound influence on the kinetics of

58 tructure of the crystals that by icosahedral twinning form the quasicrystal.

59 g, calculated based on the results of the DZ twinning GWAS, was significantly associated with DZ twin

60 Deformation twinning has been well documented in face-centred cubic

61 loys and the nature of nonidealities such as twinning (icosahedral cores) and atomic segregation that

62 generally accepted that the impurity-induced twinning (IIT) mechanism and the twin plane re-entrant e

63 Twinning in aluminium, although difficult, may occur at

64 and previous simulations and models predict twinning in aluminium, where it has never been observed.

65 nce of features such as grain boundaries and twinning in DNA superlattices and traditional crystals c

66 xperimental evidence suggests that crack-tip twinning in face-centred-cubic (f.c.c.) metals is highly

67 g GWAS, was significantly associated with DZ twinning in Iceland (p = 0.001).

68 on the effects of grain size on deformation twinning in nanocrystalline fcc metals.

69 vations that provide evidence of deformation twinning in plastically deformed nanocrystalline aluminu

70 phisms in GDF9 and BMP15 are associated with twinning in sheep.

71 as complicated by the presence of merohedral twinning in the crystals.

72 Twinning induced by Asc was developmentally limited to t

73 we report a way of enhancing the strength of twinning-induced plasticity steel at no ductility trade-

74 After applying torsion to cylindrical twinning-induced plasticity steel samples to generate a

75 Exceptions include materials exhibiting twinning-induced plasticity.

76 ke the classical twinning route, deformation twinning initiated through the formation of two stacking

77 the framework and the formation of multiple twinning interfaces and antiphase defects, which are eff

78 ucture, refined to 2.3 angstroms taking this twinning into account, is different from earlier models,

79 Twinning is a fundamental deformation mode that competes

80 Although nanoscale twinning is an effective means to enhance yield strength

81 Here we show that the propensity for twinning is dependent on the applied stress, grain orien

82 Such deformation twinning is pseudoelastic, manifested through reversible

83 copy and atomistic simulations, we show that twinning is the dominant deformation mechanism in nanosc

84 dislocation hardening, as well as mechanical twinning leads to a high work hardening rate, which is s

85 in contrast to coarse-grained Al, mechanical twinning may play an important role in the deformation b

86 DZ twinning might index increased fertility and has distinc

87 Spontaneous dizygotic (DZ) twinning occurs in 1%-4% of women, with familial cluster

88 itment to X inactivation suggests that MC-MZ twinning occurs three or four rounds of replication afte

89 ature phase has remained contentious because twinning of crystal domains hampers diffraction studies

90 can account for the experimentally observed twinning of insect embryos upon egg fragmentation and mi

91 polycrystals due to incompatibilities during twinning of neighboring grains and the resulting interna

92 his type of interaction can lead to vertical twinning of the Dirac cone, whereby the hybridized non-s

93 We observe twinning of two-dimensional (2D) rhombic colloidal cryst

94 gher than expected prevalence of monozygotic twinning, of assisted reproductive technology among pare

95 The [511] orientations are the result of twinning on [111] planes.

96 This study investigated the effect of twinning on adrenocortical responsiveness to either the

97 Twinning on the plane is a common mode of plastic deform

98 entified robust genetic risk variants for DZ twinning: one near FSHB and a second within SMAD3, the p

99 Through identification of the twinning operator and determination of the twin fraction

100 optical frequency conversion without poling, twinning or other engineered domain inversions.

101 rmation (via lattice-invariant shears, as in twinning or slip) is no higher than the barrier to the p

102 Either risk factors (related to twinning or to fetal development) or other factors (gene

103 Such high stresses are thought to favour twinning over dislocation slip.

104 tween gestational age at birth, birth order, twinning, parental age, or parental education and Hodgki

105 to be accomplished through the formation of twinning partial dislocations on consecutive atomic plan

106 caps and overexpression of FoxF1 can rescue twinning phenotypes, which results from the elimination

107 nt basal/prismatic interfaces instead of the twinning plane.

108 ation of seed crystals, which should produce twinning planes.

109 re, followed by protrusion of branches along twinning planes.

110 To explain such a dramatic difference in the twinning probability, we showed that twinning energy in

111 Dizygotic twinning probably involves high hormone concentrations,

112 Two recent studies suggested that the twinning process itself is an important risk factor in t

113 ctivation does not play a direct role in the twinning process, and it further suggests that extreme u

114 nucleated without a mandatory layer-by-layer twinning process.

115 e fertility accords with a falling dizygotic twinning rate during the same period.

116 in some combatant countries, dizygotic (DZ) twinning rates (which also reportedly vary with coital r

117 Neural tube defects, harms of treatment (twinning, respiratory outcomes).

118 DHAR-induced twinning resulted from altered cell polarity and longitu

119 Unlike the classical twinning route, deformation twinning initiated through t

120 Twinning should thus be highly unfavorable in face-cente

121 arge strength enhancement at nanometer-scale twinning size where a strength reduction is normally exp

122 Critical twinning stress of cadmium zinc telluride (CdZnTe or CZT

123 n network forms from the activation of three twinning systems.

124 ed structure through activation of different twinning systems.

125 Twinning takes place in loading, and detwinning occurs i

126 ead, another mechanism, known as deformation twinning (the sudden re-orientation of the crystal latti

127 gold-copper alloy nanocrystals with fivefold twinning, the size of which can be tuned in the range fr

128 and strong shocks, we find a transition from twinning to dislocation-slip-dominated plasticity at hig

129 ition (60 d before to 30 d after mating) and twinning to investigate changes in the key metabolic reg

130 ized by twinned leucite crystals, whereas no twinning was observed in the specimens containing cubic

131 To gain insight into the timing of twinning, we have examined a closely related event, X-ch

132 The omega phase and twinning were identified by transmission electron micros

133 basic mechanisms of plastic deformation are twinning (whereby crystallites with a mirror-image latti

134 tion-dependent critical threshold stress for twinning, which is presented in the form of a generalize

135 Thus, twinning, which is usually associated with complex compo

136 a new class of materials exhibiting multiple twinning, while offering flexibility in designing interp