Bibliographic record
Abstract
The crystallization experiments of 14 proteins were carried out,the experiment was lasted 16.5 days by using German Biobox facility and self-developed growth chambers aboard Shenzhou-8 spacecraft.The counterpart experiment was performed on the ground laboratory according to the same timing sequence.The results show that 12 of 14 proteins precipitate crystals in space experiment,11 of 14 proteins precipitate crystals on ground experiment.Eight space-grown crystals of four proteins are applied to synchrotron radiation,and eight set diffraction data are obtained.In the meantime,five earth-grown crystals of three proteins are applied to synchrotron radiation,and five set diffraction data are obtained,among them,one set is incomplete.The highest preliminary diffraction resolutions of space-and earth-grown lysozyme crystals are 1.16 and 1.23,respectively.However,is the highest resolutions are 1.75 and 1.49,respectively for the crystals of diadenosine tetraphosphate from dysentery bacillus;nevertheless one space-grown crystal has different crystallographic symmetry from other crystals.The highest diffraction resolution for the space-grown crystal of the chlamydial protease-like activating factor diffracted is 2.31,the ground one fails to diffraction.The highest diffraction resolution for the space-grown crystal of 17β-hydroxysteroid dehydrogenase type 7 complex from Canada is 2.30,the ground one is not good enough for collecting a complete diffraction data set.The growth chambers used in space experiment adopt a new structure for the first time in the world of which the protein solution container is made of glass capillary and immersed in the precipitation solution.The new growth chamber is portable,works without power supply,and is able to eliminate Marangoni convection in the vapor diffusion chamber.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.002 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.004 | 0.002 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".