(IUCr) Search

search
search IUCr web Crystallography Journals Online		Other search pages Crystallography Journals Online - advanced search World Directory of Crystallographers

Results for cif 2386 to 2400 of 3458 results.
Page: 1 155 156 157 158 159 160 161 162 163 164 231 Previous 15 Next 15

Ipd_instr_cons_illum_len.html: Index Powder dictionary (pdCIF) version 1.0.1 _pd_instr_cons_illum_len Name: '_pd_instr_cons_illum_len' Definition: Length of the specimen that is illuminated by the radiation source (in millimetres). Use _pd_instr_cons_illum_len for instruments where the illumination length does not vary with 2\q, by ... ...

Document Title: CIF dictionaries
Document Path: /__data/iucr/cifdic_html/1/cif_pd.dic/Ipd_instr_cons_illum_len.html

Ipd_instr_cons_illum_flag.html: Index Powder dictionary (pdCIF) version 1.0.1 _pd_instr_cons_illum_flag Name: '_pd_instr_cons_illum_flag' Definition: Use 'yes' for instruments where the divergence slit is \q-compensated to yield a constant illumination length (also see _pd_instr_cons_illum_len). For other flat-plate instruments, where the illumination ... ...

Document Title: CIF dictionaries
Document Path: /__data/iucr/cifdic_html/1/cif_pd.dic/Ipd_instr_cons_illum_flag.html

Ipd_instr_beam_size_.html: Index Powder dictionary (pdCIF) version 1.0.1 _pd_instr_beam_size_ Names: '_pd_instr_beam_size_ax' '_pd_instr_beam_size_eq' Definition: Axial and equatorial dimensions of the radiation beam at the specimen position (in millimetres). The perpendicular to the plane containing the incident and scattered beam is the axial ... ...

Document Title: CIF dictionaries
Document Path: /__data/iucr/cifdic_html/1/cif_pd.dic/Ipd_instr_beam_size_.html

Ipd_instr_2theta_monochr_.html: Index Powder dictionary (pdCIF) version 1.0.1 _pd_instr_2theta_monochr_ Names: '_pd_instr_2theta_monochr_pre' '_pd_instr_2theta_monochr_post' Definition: The 2\q angle for a pre-specimen or post-specimen monochromator (see _pd_instr_monochr_pre_spec and _pd_instr_monochr_post_spec). May appear in list ... ...

Document Title: CIF dictionaries
Document Path: /__data/iucr/cifdic_html/1/cif_pd.dic/Ipd_instr_2theta_monochr_.html

Ipd_data_point_id.html: Index Powder dictionary (pdCIF) version 1.0.1 _pd_data_point_id Name: '_pd_data_point_id' Definition: Arbitrary label identifying an entry in the table of diffractogram intensity values. Type: char Category: pd_data...

Document Title: CIF dictionaries
Document Path: /__data/iucr/cifdic_html/1/cif_pd.dic/Ipd_data_point_id.html

Cpd_data.html: Index Powder dictionary (pdCIF) version 1.0.1 Category PD_DATA Name: '_pd_data_[pd]' Definition: The PD_DATA category contains raw, processed and calculated data points in a diffraction data set. In many cases, it is convenient to tabulate calculated values against the raw and processed measurements, and so the various _pd ... ...

Document Title: CIF dictionaries
Document Path: /__data/iucr/cifdic_html/1/cif_pd.dic/Cpd_data.html

Ipd_char_special_details.html: Index Powder dictionary (pdCIF) version 1.0.1 _pd_char_special_details Name: '_pd_char_special_details' Definition: Additional characterization information relevant to the sample or documentation of non-routine processing steps used for characterization. Type: char Category: pd_char...

Document Title: CIF dictionaries
Document Path: /__data/iucr/cifdic_html/1/cif_pd.dic/Ipd_char_special_details.html

Ipd_char_particle_morphology.html: Index Powder dictionary (pdCIF) version 1.0.1 _pd_char_particle_morphology Name: '_pd_char_particle_morphology' Definition: A description of the sample morphology and estimates for particle sizes (before grinding/sieving, if noted by _pd_spec_preparation). Include the method used for these estimates (SEM, visual estimate etc.). Type: char ... ...

Document Title: CIF dictionaries
Document Path: /__data/iucr/cifdic_html/1/cif_pd.dic/Ipd_char_particle_morphology.html

Ipd_char_colour.html: Index Powder dictionary (pdCIF) version 1.0.1 _pd_char_colour Name: '_pd_char_colour' Definition: The colour of the material used for the measurement. To facilitate more standardized use of names, the following guidelines for colour naming developed by Peter Bayliss for the International Centre for Diffraction Data (ICDD) should be followed. ... ...

Document Title: CIF dictionaries
Document Path: /__data/iucr/cifdic_html/1/cif_pd.dic/Ipd_char_colour.html

Ipd_char_atten_coef_mu_.html: Index Powder dictionary (pdCIF) version 1.0.1 _pd_char_atten_coef_mu_ Names: '_pd_char_atten_coef_mu_obs' '_pd_char_atten_coef_mu_calc' Definition: The observed and calculated linear attenuation coefficient, \m, in units of inverse millimetres. Note that this quantity is sometimes referred to as the mass absorption coefficient ... ...

Document Title: CIF dictionaries
Document Path: /__data/iucr/cifdic_html/1/cif_pd.dic/Ipd_char_atten_coef_mu_.html

Cpd_char.html: Index Powder dictionary (pdCIF) version 1.0.1 Category PD_CHAR Name: '_pd_char_[pd]' Definition: This section contains experimental (non-diffraction) information relevant to the chemical and physical nature of the material. Type: null Category: category_overview...

Document Title: CIF dictionaries
Document Path: /__data/iucr/cifdic_html/1/cif_pd.dic/Cpd_char.html

Ipd_calibration_special_details.html: Index Powder dictionary (pdCIF) version 1.0.1 _pd_calibration_special_details Name: '_pd_calibration_special_details' Definition: Description of how the instrument was calibrated, particularly for instruments where calibration information is used to make hardware settings that would otherwise be invisible once data collection is completed. Do not use this item to ... ...

Document Title: CIF dictionaries
Document Path: /__data/iucr/cifdic_html/1/cif_pd.dic/Ipd_calibration_special_details.html

Ipd_calibration_conversion_eqn.html: Index Powder dictionary (pdCIF) version 1.0.1 _pd_calibration_conversion_eqn Name: '_pd_calibration_conversion_eqn' Definition: The calibration function for converting a channel number supplied in _pd_meas_detector_id for a position-sensitive or energy-dispersive detector or the distance supplied in _pd_meas_position to Q, energy, angle etc. ... ...

Document Title: CIF dictionaries
Document Path: /__data/iucr/cifdic_html/1/cif_pd.dic/Ipd_calibration_conversion_eqn.html

Ipd_calib_std_internal_name.html: Index Powder dictionary (pdCIF) version 1.0.1 _pd_calib_std_internal_name Name: '_pd_calib_std_internal_name' Definition: Identity of material(s) used as an internal intensity standard. Examples: 'NIST 640a Silicon standard' Al2O3 May appear in list containing _pd_calib_detector_id Type: char Category: pd_calib...

Document Title: CIF dictionaries
Document Path: /__data/iucr/cifdic_html/1/cif_pd.dic/Ipd_calib_std_internal_name.html

Ipd_calib_detector_response.html: Index Powder dictionary (pdCIF) version 1.0.1 _pd_calib_detector_response Name: '_pd_calib_detector_response' Definition: A value that indicates the relative sensitivity of each detector. This can compensate for differences in electronics, size and collimation. Usually, one detector or the mean for all detectors will be assigned the value of ... ...

Document Title: CIF dictionaries
Document Path: /__data/iucr/cifdic_html/1/cif_pd.dic/Ipd_calib_detector_response.html

Search